[go: up one dir, main page]

CN120301807A - A differential protection service carrying test method based on SPN technology - Google Patents

A differential protection service carrying test method based on SPN technology Download PDF

Info

Publication number
CN120301807A
CN120301807A CN202510464315.XA CN202510464315A CN120301807A CN 120301807 A CN120301807 A CN 120301807A CN 202510464315 A CN202510464315 A CN 202510464315A CN 120301807 A CN120301807 A CN 120301807A
Authority
CN
China
Prior art keywords
service
network element
test
analyzer
spn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202510464315.XA
Other languages
Chinese (zh)
Inventor
李喆思
罗海林
陈龙
吴尧
吴封赛
蔡澔伦
周永其
王耘翔
李腾
杨博皓
张智伟
汪俊杰
肖岚宇
彭雅昕
周莉明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Original Assignee
Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qujing Power Supply Bureau Yunnan Power Grid Co Ltd filed Critical Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Priority to CN202510464315.XA priority Critical patent/CN120301807A/en
Publication of CN120301807A publication Critical patent/CN120301807A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0852—Delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0852—Delays
    • H04L43/087—Jitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention relates to a differential protection service bearing test method based on an SPN technology, and belongs to the technical field of power grids. The method comprises SPN slice physical isolation capability test and CBR service capability test, wherein the CBR service capability test comprises service bearing capability test, service end-to-end forwarding delay and jitter test, service end-to-end physical isolation capability test and service protection capability test, if the service bearing capability test, the service end-to-end forwarding delay and jitter test, the service end-to-end physical isolation capability test and the service protection capability test are all passed, the CBR service capability test is qualified, and when the SPN slice physical isolation capability test and the CBR service capability test are both qualified, the differential protection service can be borne. The invention uses the SPN technology to apply the important breakthrough and innovation in the power grid, fills the data blank of the operation test of the service in the power grid, and can provide a new construction thought for the construction of the power communication network in each region.

Description

Differential protection service bearing test method based on SPN technology
Technical Field
The invention belongs to the technical field of power grids, and particularly relates to a differential protection service bearing test method based on an SPN technology.
Background
The SPN (SLICING PACKET Network, slice packet Network) is used as an advanced, reliable, stable and efficient emerging communication technology and system, and is gradually put into operation and used after construction is completed based on the SPN communication equipment load-bearing Network project, so that various service debugging of a load-bearing power grid on the SPN Network is urgently required to be completed, the SPN is suitable for a service platform with diversified power grids, and the powerful load-bearing capacity, the differentiated safety isolation capacity and the more efficient and flexible operation management capacity of the SPN are exerted.
The SPN equipment built at present mainly bears a voice video private network and a management information large-area production management area (safety area III) network, and is mainly concentrated on services with large bandwidth characteristics. The differential protection service of the power grid is taken as the most basic and important real-time control service for power grid production, plays an important role in controlling and protecting an important transmission line in the power grid, generally takes a longitudinal optical fiber protection channel as a main part, is currently carried in a power optical fiber communication network in a centralized mode of multiplexing optical fiber loop access, and has very strict time delay, isolation and reliability requirements because a communication interface of a differential protection device is accessed into an optical fiber communication system in a 2M mode. However, the conventional E1 interface board configured at present does not have an end-to-end physical isolation capability, and cannot carry differential protection service and automation service, and meanwhile, the carrying capability of the SPN technology on high-reliability low-delay services such as differential protection and automation is not yet explored by related applications.
Therefore, how to overcome the defects of the prior art is a problem to be solved in the current power grid technical field.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a differential protection service bearing test method based on an SPN technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the differential protection service bearing test device based on the SPN technology comprises a first SDH analyzer, a network element NE1, a network element NE3, a network element NE4, a network element NE2, a second SDH analyzer and a data network analyzer;
The SPN technology-based differential protection service bearing test method comprises SPN slice physical isolation capability test and CBR service capability test, wherein the CBR service capability test comprises service bearing capability test, service end-to-end forwarding delay and jitter test, service end-to-end physical isolation capability test and service protection capability test;
If the service bearing capacity test, the service end-to-end forwarding delay and jitter test, the service end-to-end physical isolation capacity test and the service protection capacity test are all passed, the CBR service capacity test is qualified;
when the SPN slice physical isolation capability test and the CBR service capability test are qualified, the differential protection service can be carried, otherwise, the differential protection service can not be carried.
Further, it is preferable that the SPN slice physical isolation capability test includes the steps of:
Step (1.1), when SPN slice physical isolation capability is tested, sequentially connecting a first SDH analyzer, a network element NE1, a network element NE3, a network element NE4, a network element N E and a second SDH analyzer, wherein the data network analyzer is respectively connected with the network element NE1 and the network element NE 2;
Step (1.2), configuring a 1G small particle slice in a network, configuring an E1 service gateway between network element NE 1 and network element NE2 equipment, mapping a CBR E1 service container to a1 x 10Mbps fine granularity channel bearer, associating the 10M fine granularity channel to the 1G small particle slice, wherein the path is NE 1-NE3-NE4-NE2, and configuring fine granularity intersection by the network element NE3 and the network element NE 4;
Step (1.3), configuring 2G grouping slice in the network, configuring an L3VPN service between network element NE 1 and network element NE2 equipment, and carrying by using the rest 479 10Mbps fine granularity channels in the same 1G small granularity channel;
Step (1.4), testing and verifying that the E1 service signal is normal through a first SDH analyzer and a second SDH analyzer;
Step (1.5), ethernet service flow is sent from a data network analyzer, the packet length is 1518 bytes, the flow bandwidth is 3Gbps, the priority is EF, and one-way time delay and jitter are recorded;
Step (1.6), recording the time delay and error code conditions of E1 business of the first SDH analyzer and the second SDH analyzer;
step (1.7), increasing the bandwidth of the Ethernet service flow sent by the data network analyzer to 8Gbps;
step (1.8), recording the time delay and error code condition of E1 business of the first SDH analyzer and the second SDH analyzer;
Step (1.9), when the step (1.4) tests E1 service, the service error rate is less than 10 7, and no alarm is given;
after the data network analyzer sends the Ethernet service flow, the Ethernet service flow is normal, and no packet loss and alarm are generated;
after the data network analyzer sends the Ethernet service flow, the Ethernet service is congested and packet loss occurs;
And step (1.6) and step (1.8) test E1 business, the business error rate is smaller than 10 7, there is no warning, unidirectional time delay should be less than or equal to 15ms, the loop time delay should be less than or equal to 30ms;
the SPN slice physical isolation capability test passes, whereas the test does not pass.
Further, it is preferable that in step (1.5), the unidirectional delay includes an average delay, a maximum delay, and a minimum delay, and the jitter includes an average jitter, a maximum jitter, and a minimum jitter.
Further, it is preferable that the service bearer capability test includes the steps of:
Step (2.1), when testing the service bearing capacity, sequentially connecting a first SDH analyzer, a network element NE 1, a network element NE3, a network element NE4, a network element NE2 and a second SDH analyzer;
Step (2.2), configuring an E1 service between the network element NE 1 and the network element N E2 equipment, carrying by adopting a fine granularity channel of 1 x 10Mbps, mapping the E1 service to a CBR E1 service container, wherein a path is a network element NE 1-network element NE 3-network element NE 4-network element NE2, and the network element NE3 and the network element NE4 are configured with fine granularity intersection;
Step (2.3), setting E1 signal load as non-framing mode and framing mode on the first SDH analyzer and the second SDH analyzer in turn, and testing and verifying that E1 service signal is normal through the first SDH analyzer and the second SDH analyzer;
Step (2.4), setting PRBS load of two SDH analyzers to be 2 9-1、215-1、220-1、223 -1 respectively under E1 signal framing mode, and testing and verifying E1 signal alarming and error code conditions;
And (2.5) when the error rate of the E1 service is smaller than 10 7 and no alarm exists in the tests of the step (2.3) and the step (2.4), the test of the service bearing capacity passes, and otherwise, the test does not pass.
Further, it is preferable that the service end-to-end forwarding delay and jitter test includes the steps of:
Step (3.1), when the service end-to-end forwarding delay and jitter are tested, sequentially connecting a first SDH analyzer, a network element NE1, a network element NE3, a network element NE4, a network element NE2 and a second SDH analyzer;
step (3.2), configuring an E1 service between the network element NE 1 and the network element N E2 equipment, carrying by adopting a fine granularity channel of 1 x 10Mbps, mapping the E1 service to a CBR E1 service container, wherein a path is a network element NE 1-network element NE 3-network element NE 4-network element NE2, and the network element NE3 and the network element NE4 are configured with fine granularity intersection;
Step (3.3), testing and recording the one-way time delay of E1 service through a first SDH analyzer and a second SDH analyzer, and calculating the two-way time delay difference;
Step (3.4), testing whether the output jitter and the input jitter tolerance of the E1 service meet the standard requirement or not through a first SDH analyzer and a second SDH analyzer;
Step (3.5), when the one-way delay of the E1 service recorded in the step (3.3) is less than or equal to 15ms, the two-way delay difference of the E1 service is less than 200us;
meanwhile, the jitter performance of the E1 interface obtained by the test in the step (3.4) meets the requirements of YD/T1420-2005, the service end-to-end forwarding delay and the jitter test pass, and otherwise, the service end-to-end forwarding delay and the jitter test do not pass.
Further, preferably, when the service end-to-end forwarding delay and jitter are tested, if an end loop mode is adopted, the step (3.3) is changed into testing the loop delay of the E1 service, and the bidirectional delay difference is not calculated;
The step (3.5) is changed into the step (3.3) of recording the loopback time delay of the E1 service, wherein the loopback time delay is less than or equal to 30ms, meanwhile, the jitter performance of the E1 interface obtained by the step (3.4) test meets the requirements of YD/T1420-2005, the service end-to-end forwarding time delay and the jitter test pass, and otherwise, the service end-to-end forwarding time delay and the jitter test do not pass.
Further, it is preferable that the service end-to-end physical isolation capability test includes the steps of:
Step (4.1), when testing the end-to-end physical isolation capability of the service, sequentially connecting a first SDH analyzer, a network element N E1, a network element N E3, a network element N E4, a network element N E and a second SDH analyzer;
step (4.2), configuring N E1 services between the network element N E and the network element N E2, wherein the paths are the network element N E1-N E-N E-N E2, and the N is 1,2,3 or 4;
Carrying by using the same 10M fine granularity channel, and configuring fine granularity intersection by the network element N E and the network element N E;
step (4.3), testing whether the E1 service has error code and alarm by the first SDH analyzer and the second SDH analyzer
Step (4.4), if the service is normal, testing and recording the one-way time delay of the E1 service when N takes different values through a first SDH analyzer and a second SDH analyzer;
Step (4.5), configuring N E1 services between the network element N E and the network element N E2, when paths are network element N E1-N E-N E-N E2, and N is 1 or 2;N =2, respectively, mapping the two E1 into two different 10M fine-grained channels, and configuring fine-grained intersection between NE3 and NE 4;
Step (4.6), testing whether the E1 service has error codes and alarms or not through a first SDH analyzer and a second SDH analyzer;
Step (4.7), if the service is normal, testing and recording the one-way time delay of the E1 service when N takes different values through a first SDH analyzer and a second SDH analyzer;
Step (4.8), when N takes different values in step (4.3) and step (4.6), E1 business is normal, error rate is less than 10 7, and no alarm exists;
Meanwhile, in the step (4.4) and the step (4.7), the unidirectional time delay is less than or equal to 15ms, so that the service end-to-end physical isolation capability test passes, and otherwise, the service end-to-end physical isolation capability test does not pass.
Further, preferably, when testing the end-to-end physical isolation capability of the service, if a loop-back mode is adopted, the step (4.4) and the step (4.7) become loop-back time delay of the test E1 service;
Step (4.8) is changed into that when N takes different values in step (4.3) and step (4.6), E1 service is normal, error rate is less than 10 7, and no alarm exists;
meanwhile, in the step (4.4) and the step (4.7), the loopback time delay is less than or equal to 30ms, the service end-to-end physical isolation capability test passes, and otherwise, the service end-to-end physical isolation capability test does not pass.
Further, it is preferable that the service protection capability test includes the steps of:
Step (5.1), when testing the service protection capability, sequentially connecting a first SDH analyzer, a network element NE1, a network element NE2 and a second SDH analyzer, wherein a network element NE3 is respectively connected with the network element NE1 and the network element NE 2;
Configuring an E1 service between network element NE 1 and network element NE2 equipment, wherein the paths are network element NE 1-network element NE 3-network element NE2, adopting a 1 x 10Mbps fine granularity channel bearer, configuring fine granularity channel intersection on the network element NE3, and configuring a fine granularity channel 1+1 protection mode;
Step (5.3), testing whether the E1 service has error codes and alarms or not through a first SDH analyzer and a second SDH analyzer;
step (5.4), interrupting the optical fiber between the network element NE 1 and the network element NE3, and recording the damage time of E1 service;
step (5.5), recovering the optical fiber between the network element NE 1 and the network element NE3, and recording the damage time of E1 service;
step (5.6), the network element NE3 node is powered down, record the damage time of E1 business;
Step (5.7), the NE3 node of the network element recovers, record the damage time of E1 business;
and (5.8) when the E1 service obtained by the test in the step (5.3) is normal, the error rate is less than 10 7, no alarm is given, the E1 service damage time recorded in the steps (5.4) to (5.7) is within 50ms, the service protection capability test is passed, and otherwise, the service protection capability test is not passed.
In the invention, the network element preferably adopts SPN equipment.
In the invention, preferably, the SDH analyzer is connected with the CBR E1 interface board of the network element equipment client side to simulate the differential protection service device to send data, and meanwhile, the SDH analyzer can detect the successful times of data sending, the frame loss rate, the time delay and the jitter.
In the invention, a CBR E1 container, client side equipment is accessed to an SPN equipment CBR E1 board card in a 2M mode, client side service data is mapped into a 10M small particle channel through the container in the CBR board card, and 1 container can contain 4 2M.
The fine granularity intersection is characterized in that a small particle slice data code stream enters a large particle intersection from a western interface of equipment to be resolved through a small particle intersection plate, and is resolved into a large particle intersection after being resolved through a small particle intersection recombination time slot, and then is sent out from an eastern interface of the equipment.
In the SPN slice physical isolation capability test and service bearing capability test, the error code test time is not less than 15 minutes, and the E1 service port of the network element NE2 can be looped back in the existing network test.
There are 5 kinds of 2M frame structures, the first is a non-frame structure, the second is PCM30, the third is PC M31, the fourth is PCM30 CRC, and the fifth is PCM31 CRC. The framing pattern is PCM30/PCM30 CRC/PCM31/PCM31 CRC.
In the invention, in order to ensure that the measurement accuracy of the bidirectional delay difference is the same when the service end-to-end forwarding delay and the jitter are tested, the SDH testers with the same model are recommended to be adopted in two directions.
The invention relates to a loop-back mode, in particular to a mode that one end adopts soft loop-back or hard loop-back on an E1 interface.
When the service protection capability of the invention is tested by the existing network, the E1 service port of the network element NE2 can be looped back.
In the invention, the service bearing capacity test comprises an E1-E1 service bearing capacity test and an E1-cSTM-1 service bearing capacity test, wherein in the step (2.2) when the E1-cSTM-1 service bearing capacity test is carried out, a VC12 interface of CSTM-1 is adopted at the user side of the network element NE2, wherein E1 refers to a 2M interface which is linked by using a coaxial cable, and E1-E1 refers to an E1 interface at both a source port and a sink port. cSTM-1 refers to 155M channeled optical interface board, and 1 cSTM-1 interface can be divided into 63 2M interfaces. E1-cSTM-1 refers to the source port being one of the 2M's divided in E1 sink port cSTM-1.
In the invention, the service end-to-end forwarding delay and jitter test comprises an E1-E1 service end-to-end forwarding delay and jitter test and an E1-cSTM-1 service end-to-end forwarding delay and jitter test, wherein in the step (3.2), a VC12 interface of CST M-1 is also adopted at the user side of the network element N E;
In the invention, the service end-to-end physical isolation capability test comprises an E1-E1 service end-to-end physical isolation capability test and an E1-cSTM-1 service end-to-end physical isolation capability test;
In the invention, the service protection capability test comprises an E1-E1 service protection capability test and an E1-cSTM-1 service protection capability test.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a differential protection service bearing test method based on SPN technology, which utilizes SPN CBR technology to realize end-to-end physical isolation of service channels, and compared with the traditional CES simulation technology, the invention improves service safety, in the actual test, the channels have almost no code, no alarm and close to 0 jitter, the loop-back test time delay is less than 10ms, and the requirements of differential protection service on bearing channels are completely satisfied.
The invention completes the operation test of the differential protection service on the SPN equipment through the 2M interface board based on the CBR technology, which is suitable for the differential protection service and the automation service, uses the SPN technology to apply the important breakthrough and innovation in the power grid, fills the data blank of the operation test of the service in the power grid, can provide a new construction thought for the construction of the power communication network in each region, provides actual operation data support for the popularization and application of the SPN technology in the power grid, and has obvious application demonstration significance.
Drawings
FIG. 1 is a schematic connection diagram of a differential protection service bearer test device based on SPN technology in SPN slice physical isolation capability test;
Fig. 2 is a schematic connection diagram of a differential protection service bearer testing device based on SPN technology during service bearer capability test;
fig. 3 is a connection schematic diagram of a differential protection service bearer test device based on SPN technology during service end-to-end forwarding delay and jitter test;
Fig. 4 is a schematic connection diagram of the SPN technology-based differential protection service bearer testing device configured in step (4.2) during service end-to-end physical isolation capability test;
fig. 5 is a schematic connection diagram of the SPN technology-based differential protection service bearer testing device configured in step (4.5) during service end-to-end physical isolation capability test;
Fig. 6 is a connection schematic diagram of a differential protection service bearer testing device based on SPN technology for testing service protection capability.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the present invention and should not be construed as limiting the scope of the invention. The specific techniques or conditions are not identified in the examples and are performed according to techniques or conditions described in the literature in this field or according to the product specifications. The materials or equipment used are conventional products available from commercial sources, not identified to the manufacturer.
Example 1
The SPN technology-based differential protection service load test device comprises a first SDH analyzer, a network element N E, a network element N E, a network element N E4, a network element N E, a second SDH analyzer and a data network analyzer;
The SPN technology-based differential protection service bearing test method comprises SPN slice physical isolation capability test and CBR service capability test, wherein the CBR service capability test comprises service bearing capability test, service end-to-end forwarding delay and jitter test, service end-to-end physical isolation capability test and service protection capability test;
If the service bearing capacity test, the service end-to-end forwarding delay and jitter test, the service end-to-end physical isolation capacity test and the service protection capacity test are all passed, the CBR service capacity test is qualified;
when the SPN slice physical isolation capability test and the CBR service capability test are qualified, the differential protection service can be carried, otherwise, the differential protection service can not be carried.
Example 2
The differential protection service bearing test device based on the SPN technology comprises a first SDH analyzer, a network element NE1, a network element NE3, a network element NE4, a network element NE2, a second SDH analyzer and a data network analyzer;
The SPN technology-based differential protection service bearing test method comprises SPN slice physical isolation capability test and CBR service capability test, wherein the CBR service capability test comprises service bearing capability test, service end-to-end forwarding delay and jitter test, service end-to-end physical isolation capability test and service protection capability test;
If the service bearing capacity test, the service end-to-end forwarding delay and jitter test, the service end-to-end physical isolation capacity test and the service protection capacity test are all passed, the CBR service capacity test is qualified;
when the SPN slice physical isolation capability test and the CBR service capability test are qualified, the differential protection service can be carried, otherwise, the differential protection service can not be carried.
The SPN slice physical isolation capability test comprises the following steps:
Step (1.1), when SPN slice physical isolation capability is tested, sequentially connecting a first SDH analyzer, a network element NE1, a network element NE3, a network element NE4, a network element N E and a second SDH analyzer, wherein the data network analyzer is respectively connected with the network element NE1 and the network element NE2, as shown in figure 1;
Step (1.2), configuring a 1G small particle slice in a network, configuring an E1 service gateway between network element NE 1 and network element NE2 equipment, mapping a CBR E1 service container to a1 x 10Mbps fine granularity channel bearer, associating the 10M fine granularity channel to the 1G small particle slice, wherein the path is NE 1-NE3-NE4-NE2, and configuring fine granularity intersection by the network element NE3 and the network element NE 4;
Step (1.3), configuring 2G grouping slice in the network, configuring an L3VPN service between network element NE 1 and network element NE2 equipment, and carrying by using the rest 479 10Mbps fine granularity channels in the same 1G small granularity channel;
Step (1.4), testing and verifying that the E1 service signal is normal through a first SDH analyzer and a second SDH analyzer;
Step (1.5), ethernet service flow is sent from a data network analyzer, the packet length is 1518 bytes, the flow bandwidth is 3Gbps, the priority is EF, and one-way time delay and jitter are recorded;
Step (1.6), recording the time delay and error code conditions of E1 business of the first SDH analyzer and the second SDH analyzer;
step (1.7), increasing the bandwidth of the Ethernet service flow sent by the data network analyzer to 8Gbps;
step (1.8), recording the time delay and error code condition of E1 business of the first SDH analyzer and the second SDH analyzer;
Step (1.9), when the step (1.4) tests E1 service, the service error rate is less than 10 7, and no alarm is given;
after the data network analyzer sends the Ethernet service flow, the Ethernet service flow is normal, and no packet loss and alarm are generated;
after the data network analyzer sends the Ethernet service flow, the Ethernet service is congested and packet loss occurs;
And step (1.6) and step (1.8) test E1 business, the business error rate is smaller than 10 7, there is no warning, unidirectional time delay should be less than or equal to 15ms, the loop time delay should be less than or equal to 30ms;
the SPN slice physical isolation capability test passes, whereas the test does not pass.
In the step (1.5), the unidirectional time delay comprises average time delay, maximum time delay and minimum time delay, and the jitter comprises average jitter, maximum jitter and minimum jitter.
The service bearing capacity test comprises the following steps:
Step (2.1), during testing of service carrying capacity, sequentially connecting a first SDH analyzer, a network element NE 1, a network element NE3, a network element NE4, a network element NE2 and a second SDH analyzer, as shown in figure 2;
Step (2.2), configuring an E1 service between the network element NE 1 and the network element N E2 equipment, carrying by adopting a fine granularity channel of 1 x 10Mbps, mapping the E1 service to a CBR E1 service container, wherein a path is a network element NE 1-network element NE 3-network element NE 4-network element NE2, and the network element NE3 and the network element NE4 are configured with fine granularity intersection;
Step (2.3), setting E1 signal load as non-framing mode and framing mode on the first SDH analyzer and the second SDH analyzer in turn, and testing and verifying that E1 service signal is normal through the first SDH analyzer and the second SDH analyzer;
Step (2.4), setting PRBS load of two SDH analyzers to be 2 9-1、215-1、220-1、223 -1 respectively under E1 signal framing mode, and testing and verifying E1 signal alarming and error code conditions;
And (2.5) when the error rate of the E1 service is smaller than 10 7 and no alarm exists in the tests of the step (2.3) and the step (2.4), the test of the service bearing capacity passes, and otherwise, the test does not pass.
The service end-to-end forwarding delay and jitter test comprises the following steps:
Step (3.1), when the service end-to-end forwarding delay and jitter are tested, sequentially connecting a first SDH analyzer, a network element NE1, a network element NE3, a network element NE4, a network element NE2 and a second SDH analyzer, as shown in figure 3;
Step (3.2), configuring an E1 service between the network element NE 1 and the network element N E2 equipment, carrying by adopting a fine granularity channel of 1 x 10Mbps, mapping the E1 service to a CBR E1 service container, configuring fine granularity intersection for a path of the network element NE 1-network element NE 3-network element N E-network element N E2, and configuring fine granularity intersection for the network element N E and the network element N E;
step (3.3), testing and recording the one-way time delay of the E1 service through a first SD H analyzer and a second SD H analyzer, and calculating the two-way time delay difference;
Step (3.4), testing whether the output jitter and the input jitter tolerance of the E1 service meet the standard requirements or not through a first SD H analyzer and a second SD H analyzer;
Step (3.5), when the one-way delay of the E1 service recorded in the step (3.3) is less than or equal to 15ms, the two-way delay difference of the E1 service is less than 200us;
meanwhile, the jitter performance of the E1 interface obtained by the test in the step (3.4) meets the requirements of YD/T1420-2005, the service end-to-end forwarding delay and the jitter test pass, and otherwise, the service end-to-end forwarding delay and the jitter test do not pass.
When the service end-to-end forwarding delay and jitter are tested, if an end loop-back mode is adopted, the step (3.3) is changed into testing the loop-back delay of the E1 service, and the bidirectional delay difference is not calculated;
The step (3.5) is changed into the step (3.3) of recording the loopback time delay of the E1 service, wherein the loopback time delay is less than or equal to 30ms, meanwhile, the jitter performance of the E1 interface obtained by the step (3.4) test meets the requirements of YD/T1420-2005, the service end-to-end forwarding time delay and the jitter test pass, and otherwise, the service end-to-end forwarding time delay and the jitter test do not pass.
The service end-to-end physical isolation capability test comprises the following steps:
Step (4.1), when testing the end-to-end physical isolation capability of the service, sequentially connecting a first SDH analyzer, a network element N E1, a network element N E3, a network element N E4, a network element N E and a second SDH analyzer;
step (4.2), configuring N E1 services between the network element N E and the network element N E2, wherein the paths are the network element N E1-N E-N E-N E2, and the N is 1, 2, 3 or 4, as shown in fig. 4;
Carrying by using the same 10M fine granularity channel, and configuring fine granularity intersection by the network element N E and the network element N E;
step (4.3), testing whether the E1 service has error code and alarm by the first SDH analyzer and the second SDH analyzer
Step (4.4), if the service is normal, testing and recording the one-way time delay of the E1 service when N takes different values through a first SDH analyzer and a second SDH analyzer;
Step (4.5), as shown in fig. 5, configuring N E1 services between the network element N E1 and the network element N E2, when paths are network elements N E1-N E3-N E-N E2 and N is 1 or 2;N =2, respectively, mapping the two E1 services into two different 10M fine-grained channels, and configuring NE3 and NE4 to have fine-grained intersection;
Step (4.6), testing whether the E1 service has error codes and alarms or not through a first SDH analyzer and a second SDH analyzer;
Step (4.7), if the service is normal, testing and recording the one-way time delay of the E1 service when N takes different values through a first SDH analyzer and a second SDH analyzer;
Step (4.8), when N takes different values in step (4.3) and step (4.6), E1 business is normal, error rate is less than 10 7, and no alarm exists;
Meanwhile, in the step (4.4) and the step (4.7), the unidirectional time delay is less than or equal to 15ms, so that the service end-to-end physical isolation capability test passes, and otherwise, the service end-to-end physical isolation capability test does not pass.
When testing the end-to-end physical isolation capability of the service, if a loop-back mode is adopted, the step (4.4) and the step (4.7) become loop-back time delay for testing E1 service;
Step (4.8) is changed into that when N takes different values in step (4.3) and step (4.6), E1 service is normal, error rate is less than 10 7, and no alarm exists;
meanwhile, in the step (4.4) and the step (4.7), the loopback time delay is less than or equal to 30ms, the service end-to-end physical isolation capability test passes, and otherwise, the service end-to-end physical isolation capability test does not pass.
The service protection capability test comprises the following steps:
step (5.1), when testing the service protection capability, sequentially connecting a first SDH analyzer, a network element NE1, a network element NE2 and a second SDH analyzer, wherein a network element NE3 is respectively connected with the network element NE1 and the network element NE2, as shown in figure 6;
Configuring an E1 service between network element NE 1 and network element NE2 equipment, wherein the paths are network element NE 1-network element NE 3-network element NE2, adopting a 1 x 10Mbps fine granularity channel bearer, configuring fine granularity channel intersection on the network element NE3, and configuring a fine granularity channel 1+1 protection mode;
Step (5.3), testing whether the E1 service has error codes and alarms or not through a first SDH analyzer and a second SDH analyzer;
step (5.4), interrupting the optical fiber between the network element NE 1 and the network element NE3, and recording the damage time of E1 service;
step (5.5), recovering the optical fiber between the network element NE 1 and the network element NE3, and recording the damage time of E1 service;
step (5.6), the network element NE3 node is powered down, record the damage time of E1 business;
Step (5.7), the NE3 node of the network element recovers, record the damage time of E1 business;
and (5.8) when the E1 service obtained by the test in the step (5.3) is normal, the error rate is less than 10 7, no alarm is given, the E1 service damage time recorded in the steps (5.4) to (5.7) is within 50ms, the service protection capability test is passed, and otherwise, the service protection capability test is not passed.
The invention completes the special research and development test of the national first example aiming at the special service of the power grid, namely the differential protection service, and establishes an application test point.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1.一种基于SPN技术的差动保护业务承载测试方法，其特征在于，采用基于SPN技术的差动保护业务承载测试装置；所述的基于SPN技术的差动保护业务承载测试装置包括第一SDH分析仪、网元NE1、网元NE3、网元NE4、网元NE2、第二SDH分析仪和数据网络分析仪；1. A differential protection service carrying test method based on SPN technology, characterized in that a differential protection service carrying test device based on SPN technology is adopted; the differential protection service carrying test device based on SPN technology comprises a first SDH analyzer, a network element NE1, a network element NE3, a network element NE4, a network element NE2, a second SDH analyzer and a data network analyzer; 所述的基于SPN技术的差动保护业务承载测试方法包括SPN切片物理隔离能力测试和CBR业务能力测试；其中，CBR业务能力测试包括业务承载能力测试、业务端到端转发时延和抖动测试、业务端到端物理隔离能力测试和业务保护能力测试；The differential protection service carrying test method based on SPN technology includes SPN slice physical isolation capability test and CBR service capability test; wherein, the CBR service capability test includes service carrying capability test, service end-to-end forwarding delay and jitter test, service end-to-end physical isolation capability test and service protection capability test; 若业务承载能力测试、业务端到端转发时延和抖动测试、业务端到端物理隔离能力测试和业务保护能力测试均通过，则CBR业务能力测试合格；If the service carrying capacity test, service end-to-end forwarding delay and jitter test, service end-to-end physical isolation capacity test and service protection capacity test are all passed, the CBR service capacity test is qualified; 当SPN切片物理隔离能力测试和CBR业务能力测试均合格时，则判定能够承载差动保护业务；反之，则不能承载差动保护业务。When both the SPN slice physical isolation capability test and the CBR service capability test are qualified, it is determined that it can carry the differential protection service; otherwise, it cannot carry the differential protection service. 2.根据权利要求1所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，所述的SPN切片物理隔离能力测试包括如下步骤：2. According to the differential protection service bearing test method based on SPN technology in claim 1, it is characterized in that the SPN slice physical isolation capability test comprises the following steps: 步骤（1.1），SPN切片物理隔离能力测试时，将第一SDH分析仪、网元NE1、网元NE3、网元NE4、网元NE2、第二SDH分析仪顺序连接；数据网络分析仪分别与网元NE1、网元NE2相连；Step (1.1), when testing the physical isolation capability of the SPN slice, the first SDH analyzer, network element NE1, network element NE3, network element NE4, network element NE2, and the second SDH analyzer are connected in sequence; the data network analyzer is connected to the network element NE1 and the network element NE2 respectively; 步骤（1.2），网络中配置1G小颗粒切片，配置网元NE1和网元NE2设备间一条E1业务关，通过CBR E1业务容器映射到1╳10Mbps细粒度通道承载，10M细粒度通道关联到1G小颗粒切片中，路径为NE1-NE3-NE4-NE2，网元NE3和网元NE4配置细粒度交叉；Step (1.2): Configure 1G small-granularity slices in the network, configure an E1 service gateway between NE1 and NE2, map the CBR E1 service container to a 1╳10Mbps fine-granularity channel bearer, associate the 10M fine-granularity channel with the 1G small-granularity slice, and configure fine-granularity cross-connection between NE3 and NE4. 步骤（1.3），网络中配置2G分组切片，配置网元NE1和网元NE2设备间的一条L3VPN业务，采用同一1G小颗粒通道中的剩余479个10Mbps细粒度通道承载；Step (1.3): configure 2G packet slices in the network, configure an L3VPN service between network element NE1 and network element NE2, and use the remaining 479 10Mbps fine-grained channels in the same 1G small-grained channel to carry the service. 步骤（1.4），通过第一SDH分析仪和第二SDH分析仪测试验证E1业务信号正常；Step (1.4), verifying that the E1 service signal is normal by testing with the first SDH analyzer and the second SDH analyzer; 步骤（1.5），从数据网络分析仪发送以太网业务流量，包长分别为1518字节，流量带宽为3Gbps，优先级为EF，记录单向时延和抖动；Step (1.5), sending Ethernet service traffic from the data network analyzer, with a packet length of 1518 bytes, a traffic bandwidth of 3 Gbps, a priority of EF, and recording one-way delay and jitter; 步骤（1.6），记录第一SDH分析仪和第二SDH分析仪的E1业务的时延和误码情况；Step (1.6), recording the delay and bit error of the E1 service of the first SDH analyzer and the second SDH analyzer; 步骤（1.7），将数据网络分析仪发送的以太网业务流量带宽增大到8Gbps；Step (1.7), increasing the bandwidth of the Ethernet service traffic sent by the data network analyzer to 8 Gbps; 步骤（1.8），记录第一SDH分析仪和第二SDH分析仪的E1业务的时延和误码情况；Step (1.8), recording the delay and bit error of the E1 service of the first SDH analyzer and the second SDH analyzer; 步骤（1.9），当步骤（1.4）测试E1业务，业务误码率小于107，无告警；Step (1.9), when step (1.4) tests the E1 service, the service bit error rate is less than 10 7 and there is no alarm; 且步骤（1.5）数据网络分析仪发送以太网业务流量后，以太网业务流量正常，无丢包和告警；And after the data network analyzer sends Ethernet service traffic in step (1.5), the Ethernet service traffic is normal, with no packet loss and alarm; 且步骤（1.7）数据网络分析仪发送以太网业务流量后，以太网业务出现拥塞，出现丢包；After the data network analyzer sends Ethernet service traffic in step (1.7), Ethernet service congestion occurs and packet loss occurs; 且步骤（1.6）和步骤（1.8）测试E1业务，业务误码率小于107，无告警，单向时延应≤15ms，环回时延应≤30ms；In addition, when testing E1 services in steps (1.6) and (1.8), the service bit error rate is less than 10 7 , there is no alarm, the one-way delay should be ≤15ms, and the loop delay should be ≤30ms; 则SPN切片物理隔离能力测试通过；反之，则测试不通过。If the SPN slice physical isolation capability test is successful, the test will fail. 3.根据权利要求2所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，步骤（1.5）中，单向时延包括平均时延、最大时延和最小时延；抖动包括平均抖动、最大抖动和最小抖动。3. The differential protection service bearer testing method based on SPN technology according to claim 2 is characterized in that, in step (1.5), the one-way delay includes average delay, maximum delay and minimum delay; and the jitter includes average jitter, maximum jitter and minimum jitter. 4.根据权利要求1所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，业务承载能力测试包括如下步骤：4. The differential protection service carrying test method based on SPN technology according to claim 1 is characterized in that the service carrying capacity test comprises the following steps: 步骤（2.1），业务承载能力测试时，将第一SDH分析仪、网元NE1、网元NE3、网元NE4、网元NE2、第二SDH分析仪顺序连接；Step (2.1), when testing the service carrying capacity, the first SDH analyzer, network element NE1, network element NE3, network element NE4, network element NE2, and the second SDH analyzer are connected in sequence; 步骤（2.2），配置网元NE1和网元NE2设备间一条E1业务，采用1╳10Mbps细粒度通道承载，映射到CBR E1业务容器中，路径为网元NE1-网元NE3-网元NE4-网元NE2，网元NE3和网元NE4配置细粒度交叉；Step (2.2): configure an E1 service between NE1 and NE2, use a 1╳10Mbps fine-grained channel to carry it, and map it to the CBR E1 service container. The path is NE1-NE3-NE4-NE2. Fine-grained cross-connect is configured between NE3 and NE4. 步骤（2.3），在第一SDH分析仪和第二SDH分析仪上均依次设置E1信号负荷为非成帧模式、成帧模式，通过第一SDH分析仪和第二SDH分析仪测试验证E1业务信号正常；Step (2.3), setting the E1 signal load to the unframed mode and the framed mode on the first SDH analyzer and the second SDH analyzer respectively, and verifying that the E1 service signal is normal through the first SDH analyzer and the second SDH analyzer; 步骤（2.4），在E1信号成帧模式下，分别设置两台SDH分析仪的PRBS负荷为29-1、215-1、220-1、223-1，测试验证E1信号告警和误码情况；Step (2.4), in the E1 signal framing mode, set the PRBS loads of the two SDH analyzers to 2 9 -1, 2 15 -1, 2 20 -1, and 2 23 -1 respectively, and test and verify the E1 signal alarm and bit error conditions; 步骤（2.5），当步骤（2.3）和步骤（2.4）测试中，E1业务误码率均小于107，且无告警，则业务承载能力测试通过；反之，则不通过。Step (2.5): When the E1 service bit error rate is less than 10 7 and there is no alarm in the tests of step (2.3) and step (2.4), the service carrying capacity test passes; otherwise, it fails. 5.根据权利要求1所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，业务端到端转发时延和抖动测试包括如下步骤：5. The differential protection service bearing test method based on SPN technology according to claim 1 is characterized in that the service end-to-end forwarding delay and jitter test comprises the following steps: 步骤（3.1），业务端到端转发时延和抖动测试时，将第一SDH分析仪、网元NE1、网元NE3、网元NE4、网元NE2、第二SDH分析仪顺序连接；Step (3.1), when testing the end-to-end forwarding delay and jitter of a service, the first SDH analyzer, network element NE1, network element NE3, network element NE4, network element NE2, and the second SDH analyzer are connected in sequence; 步骤（3.2），配置网元NE1和网元NE2设备间一条E1业务，采用1╳10Mbps细粒度通道承载，映射到CBR E1业务容器中，路径为网元NE1-网元NE3-网元NE4-网元NE2，网元NE3和网元NE4配置细粒度交叉；Step (3.2): configure an E1 service between NE1 and NE2, use a 1╳10Mbps fine-grained channel to carry it, and map it to the CBR E1 service container. The path is NE1-NE3-NE4-NE2. Fine-grained cross-connection is configured between NE3 and NE4. 步骤（3.3），通过第一SDH分析仪和第二SDH分析仪测试并记录E1业务的单向时延，并计算双向时延差；Step (3.3), testing and recording the one-way delay of the E1 service by the first SDH analyzer and the second SDH analyzer, and calculating the two-way delay difference; 步骤（3.4），通过第一SDH分析仪和第二SDH分析仪测试E1业务的输出抖动和输入抖动容限是否满足标准要求；Step (3.4), testing the output jitter and input jitter tolerance of the E1 service by the first SDH analyzer and the second SDH analyzer to see whether they meet the standard requirements; 步骤（3.5），当步骤（3.3）记录的E1业务的单向时延，单向时延应≤15ms；E1业务双向时延差应小于200us；Step (3.5), when the one-way delay of the E1 service recorded in step (3.3), the one-way delay should be ≤15ms; the two-way delay difference of the E1 service should be less than 200us; 同时，步骤（3.4）测试得到的E1接口的抖动性能满足YD/T 1420-2005的要求，则业务端到端转发时延和抖动测试通过；反之，则不通过。At the same time, if the jitter performance of the E1 interface tested in step (3.4) meets the requirements of YD/T 1420-2005, the service end-to-end forwarding delay and jitter test passes; otherwise, it fails. 6.根据权利要求5所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，业务端到端转发时延和抖动测试时，如果采用一端环回的方式，则步骤（3.3）变为测试E1业务的环回时延，不计算双向时延差；6. The differential protection service carrying test method based on SPN technology according to claim 5 is characterized in that, when testing the end-to-end forwarding delay and jitter of the service, if a one-end loopback method is adopted, step (3.3) becomes testing the loopback delay of the E1 service, and the two-way delay difference is not calculated; 步骤（3.5）变为：步骤（3.3）记录E1业务的环回时延，环回时延应≤30ms；同时，步骤（3.4）测试得到的E1接口的抖动性能满足YD/T 1420-2005的要求，则业务端到端转发时延和抖动测试通过；反之，则不通过。Step (3.5) becomes: Step (3.3) records the round-trip delay of the E1 service, which should be ≤30ms; at the same time, if the jitter performance of the E1 interface tested in step (3.4) meets the requirements of YD/T 1420-2005, the service end-to-end forwarding delay and jitter test passes; otherwise, it fails. 7.根据权利要求1所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，业务端到端物理隔离能力测试包括如下步骤：7. The differential protection service carrying test method based on SPN technology according to claim 1 is characterized in that the service end-to-end physical isolation capability test comprises the following steps: 步骤（4.1），业务端到端物理隔离能力测试时，将第一SDH分析仪、网元NE1、网元NE3、网元NE4、网元NE2、第二SDH分析仪顺序连接；Step (4.1), when testing the end-to-end physical isolation capability of services, the first SDH analyzer, network element NE1, network element NE3, network element NE4, network element NE2, and the second SDH analyzer are connected in sequence; 步骤（4.2），配置网元NE1和网元NE2设备间N条E1业务，路径均为网元NE1-网元NE3-网元NE4-网元NE2，N取值为1、2、3或4；Step (4.2), configure N E1 services between NE1 and NE2, the paths are all NE1-NE3-NE4-NE2, and the value of N is 1, 2, 3 or 4; 用同一10M细粒度通道承载，网元NE3和网元NE4配置细粒度交叉；The same 10M fine-grained channel is used to carry data, and fine-grained cross-connection is configured between NE3 and NE4. 步骤（4.3），通过第一SDH分析仪和第二SDH分析仪测试E1业务是否有误码和告警Step (4.3): Use the first SDH analyzer and the second SDH analyzer to test whether the E1 service has bit errors and alarms. 步骤（4.4），如果业务正常，通过第一SDH分析仪和第二SDH分析仪测试并记录N取不同值时E1业务的单向时延；Step (4.4), if the service is normal, test and record the one-way delay of the E1 service when N takes different values through the first SDH analyzer and the second SDH analyzer; 步骤（4.5），配置网元NE1和网元NE2设备间N条E1业务，路径均为网元NE1-网元NE3-网元NE4-网元NE2，N分别为1或2；N=2时，两条E1分别映射到两个不同的10M细粒度通道中，NE3和NE4配置细粒度交叉；Step (4.5), configure N E1 services between NE1 and NE2. The paths are all NE1-NE3-NE4-NE2, and N is 1 or 2. When N=2, the two E1s are mapped to two different 10M fine-grained channels, and NE3 and NE4 are configured with fine-grained cross-connection. 步骤（4.6），通过第一SDH分析仪和第二SDH分析仪测试E1业务是否有误码和告警；Step (4.6), testing the E1 service for bit errors and alarms by using the first SDH analyzer and the second SDH analyzer; 步骤（4.7），如果业务正常，通过第一SDH分析仪和第二SDH分析仪测试并记录N取不同值时E1业务的单向时延；Step (4.7), if the service is normal, test and record the one-way delay of the E1 service when N takes different values through the first SDH analyzer and the second SDH analyzer; 步骤（4.8），当步骤（4.3）和步骤（4.6）中，N取不同值时，E1业务均正常，误码率均小于107，均无告警；Step (4.8), when N takes different values in step (4.3) and step (4.6), the E1 services are all normal, the bit error rates are all less than 10 7 , and there are no alarms; 同时，步骤（4.4）和步骤（4.7）中，单向时延均应≤15ms，则业务端到端物理隔离能力测试通过；反之，则不通过。At the same time, in step (4.4) and step (4.7), the one-way delay should be ≤15ms, then the service end-to-end physical isolation capability test passes; otherwise, it fails. 8.根据权利要求7所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，业务端到端物理隔离能力测试时，如果采用一端环回的方式，则步骤（4.4）和步骤（4.7）变为测试E1业务的环回时延；8. The differential protection service carrying test method based on SPN technology according to claim 7 is characterized in that, when testing the end-to-end physical isolation capability of the service, if a one-end loopback method is adopted, then step (4.4) and step (4.7) become testing the loopback delay of the E1 service; 步骤（4.8）变为：当步骤（4.3）和步骤（4.6）中，N取不同值时，E1业务均正常，误码率均小于107，均无告警；Step (4.8) becomes: When N takes different values in step (4.3) and step (4.6), the E1 services are all normal, the bit error rates are all less than 10 7 , and there are no alarms; 同时，步骤（4.4）和步骤（4.7）中，环回时延均应≤30ms，则业务端到端物理隔离能力测试通过；反之，则不通过。At the same time, in step (4.4) and step (4.7), the round-trip delay should be ≤30ms, then the service end-to-end physical isolation capability test passes; otherwise, it fails. 9.根据权利要求1所述的基于SPN技术的差动保护业务承载测试方法，其特征在于，业务保护能力测试包括如下步骤：9. The differential protection service carrying test method based on SPN technology according to claim 1, characterized in that the service protection capability test comprises the following steps: 步骤（5.1），业务保护能力测试时，将第一SDH分析仪、网元NE1、网元NE2、第二SDH分析仪顺序连接；网元NE3分别与网元NE1、网元NE2相连；Step (5.1), when testing the service protection capability, the first SDH analyzer, the network element NE1, the network element NE2, and the second SDH analyzer are connected in sequence; the network element NE3 is connected to the network element NE1 and the network element NE2 respectively; 步骤（5.2），配置网元NE1和网元NE2设备间一条E1业务，路径均为网元NE1-网元NE3-网元NE2；采用1╳10Mbps细粒度通道承载，在网元NE3上配置细粒度通道交叉，并配置细粒度通道1+1保护方式；Step (5.2): configure an E1 service between NE1 and NE2, with the path being NE1-NE3-NE2. Use 1╳10Mbps fine-grained channel bearer, configure fine-grained channel cross-connection on NE3, and configure fine-grained channel 1+1 protection mode. 步骤（5.3），通过第一SDH分析仪和第二SDH分析仪测试E1业务是否有误码和告警；Step (5.3), testing the E1 service for bit errors and alarms by using the first SDH analyzer and the second SDH analyzer; 步骤（5.4），中断网元NE1与网元NE3之间的光纤，记录E1业务的损伤时间；Step (5.4), interrupt the optical fiber between network element NE1 and network element NE3, and record the damage time of E1 service; 步骤（5.5），恢复网元NE1与网元NE3之间的光纤，记录E1业务的损伤时间；Step (5.5), restore the optical fiber between network element NE1 and network element NE3, and record the damage time of the E1 service; 步骤（5.6），网元NE3节点掉电，记录E1业务的损伤时间；Step (5.6), the network element NE3 node is powered off and the damage time of the E1 service is recorded; 步骤（5.7），网元NE3节点恢复，记录E1业务的损伤时间；Step (5.7), the network element NE3 node is restored and the damage time of the E1 service is recorded; 步骤（5.8），当步骤（5.3）测试得到E1业务正常，误码率小于107，无告警；且步骤（5.4）到步骤（5.7）记录的E1业务损伤时间均在50ms以内，则业务保护能力测试通过；反之，则不通过。Step (5.8): When the test result of step (5.3) shows that the E1 service is normal, the bit error rate is less than 10 7 , and there is no alarm; and the E1 service damage time recorded from step (5.4) to step (5.7) is within 50ms, the service protection capability test passes; otherwise, it fails.
CN202510464315.XA 2025-04-14 2025-04-14 A differential protection service carrying test method based on SPN technology Pending CN120301807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202510464315.XA CN120301807A (en) 2025-04-14 2025-04-14 A differential protection service carrying test method based on SPN technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202510464315.XA CN120301807A (en) 2025-04-14 2025-04-14 A differential protection service carrying test method based on SPN technology

Publications (1)

Publication Number Publication Date
CN120301807A true CN120301807A (en) 2025-07-11

Family

ID=96267063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202510464315.XA Pending CN120301807A (en) 2025-04-14 2025-04-14 A differential protection service carrying test method based on SPN technology

Country Status (1)

Country Link
CN (1) CN120301807A (en)

Similar Documents

Publication Publication Date Title
US6052722A (en) System and method for managing network resources using distributed intelligence and state management
US7072305B1 (en) Method and apparatus for analyzing a communications network link
AU715139B2 (en) Transport signal link for video distribution network
CN102164058A (en) IEC61850 standard transformer substation based communication network and system test method
CA2545729A1 (en) Method for supporting sdh/sonet oamp on ethernet
CN103973359A (en) OTN protection switching automation testing system, method and device
CN101018089B (en) An optical fiber automatic monitoring system and method
CN112881826A (en) Method for testing performance of power-bearing service based on SPN technology
US8634324B2 (en) Method and apparatus for providing signature based predictive maintenance in communication networks
CN107070708A (en) A kind of transformer station process layer network communication performance emulation mode based on OPNET
JP3990145B2 (en) Communication transport network and its operation method
CN101335658A (en) A remote real-time monitoring method for realizing power failure alarm of communication equipment
US7706254B2 (en) Method and system for providing ethernet protection
CN120301807A (en) A differential protection service carrying test method based on SPN technology
US9306822B2 (en) Method and system for silent trunk failure detection
US20080294989A1 (en) Alarm correlation system
CN100466591C (en) master-slave system
CN106160844B (en) The test method and device of automatically switching optical networks channel transceiver path consistency
Shao et al. Performance test of power service based on slicing packet network
CN100393055C (en) Automatic Protection Switching Protocol Test Method
CN1753341B (en) A method and device for protecting data services based on SDH/SONET
CN201001129Y (en) Test fixtures for EOS devices
CN104618035A (en) System and method for detecting test instrument
CN101170375A (en) Performance management method and device for SDH equipment
CN101009582A (en) Real-time online monitoring method and device based on the 2M data circuit transfer quality

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination