CN111903246B

CN111903246B - User Sniffing Method for High Mobility Backbone Communication System

Info

Publication number: CN111903246B
Application number: CN201010052199.4A
Authority: CN
Inventors: 耿登田; 何晨泽; 罗有平
Original assignee: CETC 54 Research Institute
Current assignee: CETC 54 Research Institute
Priority date: 2010-12-16
Filing date: 2010-12-16
Publication date: 2014-04-16
Anticipated expiration: 2030-12-16

Abstract

The invention discloses a user sniffing method of a highly mobile backbone communication system, which relates to the technology of locating the current position of the user in the case of high mobility and frequent movement of the user in the communication field, and improving the session efficiency of the communication network in the wireless and mobile environment . It adopts three user identification methods, through the registration database and the records of the registration database, it sends sniffing messages to legal users whose location is unknown in the network, detects the current location of the user and conducts communication sessions at the same time, making sniffing and business concurrent To improve the efficiency of the network and the success rate of call sessions, the marking method hides the real identity information of the user, and the sniffing method increases the invulnerability of the highly mobile backbone network. The implementation of the present invention has the characteristics of simple implementation of network equipment, quick and accurate user positioning, convenient use of network session services, high success rate, etc., and is especially suitable for the application of highly mobile backbone network node mobility and user mobility.

Description

High-mobility backbone communication system user sniffing method

Technical Field

The invention relates to a user sniffing method of a high-mobility backbone communication system in the communication field, which is particularly suitable for addressing users in rapid and frequent position change in a wireless environment, enables communication equipment to rapidly and accurately position target users, and improves the success rate of communication network services in the wireless and mobility environment.

Background

At present, a user does not have mobility in a high mobility backbone communication system, and a user identity mark (number) is associated with a specific switching device, that is, a user cannot move from one switching device to other switching devices under the condition that the identity mark (number) is not changed, so that the user has to change the identity mark when the user moves and moves in the high mobility backbone communication system, and the communication session service is not facilitated. When the research is carried out to realize the movement of the user and the terminal equipment of the high-mobility backbone communication system, the problem that the switching equipment frequently moves under a mobility environment and the position of the user is changed relatively quickly is solved, so that the whole network communication equipment can quickly and accurately position the current position of the user, and the communication efficiency and the success rate of conversation services of the high-mobility backbone communication network are improved.

Disclosure of Invention

The technical problem to be solved by the present invention is to avoid the disadvantages in the background art, and provide a user sniffing method, which solves the problem that the identity mark is not changed after the user moves in the high mobility backbone communication system, prepares for the location of the target user, and realizes the capability of providing communication session service under the mobility and user movement conditions of the switching node equipment. The invention also has the characteristics of simple equipment realization, rapid and accurate user positioning, convenient use of network session service, high success rate and the like of the high-mobility switching equipment manufactured by the method.

The object of the invention is achieved in that it comprises the following steps:

firstly, a network management configuration generates a high mobility backbone network registration database; the method specifically comprises the following steps: in the high mobility backbone communication system, a user identification adopts a plurality of addressing modes, including the forms of user names, telephone numbers and resource locators, and a unique identification of the whole network is pre-distributed to a user of the whole network through network management to form a registration database comprising the user of the whole network;

under the network management, configuring a registration database on the node equipment of the high mobility backbone network to form a node equipment registration database; the method specifically comprises the following steps: in the high mobility backbone network, each node device stores a registration user record of the whole network, and the registration record is issued by network management to form a node device registration database;

accessing the node equipment which is successfully attached by the user, and performing network access registration to form a registration database; the method specifically comprises the following steps: after receiving the registration message of the user, the node equipment inquires a node equipment registration database, and if the user records and passes the authentication, the node equipment forms a registration database;

when the calling user initiates a session, firstly inquiring a local registration database, and if a record exists, sending a session message to the recorded address; if no record or no session response message is recorded, the calling user searches a registration database, finds that the called user moves, and sends a sniffing message to other nodes;

inquiring a registration database by the node equipment receiving the sniffing message; if the user record is not found, no response is made to any message; if the user record is inquired, sending a session application message to the address of the user;

if receiving the session response message of the user, the node equipment returns a response message of successful sniffing to the calling node equipment and simultaneously performs the session establishment process; if the session response message of the called user is not received, the user is indicated to move out of the node equipment, and the node cannot send a response message of successful sniffing back to the calling node equipment;

sixthly, the calling node equipment receives the response message of successful sniffing, records the address of the called user in the registration database and continues the rest session process at the same time;

and completing user position positioning in the high mobility backbone network, and realizing communication session service.

Compared with the background technology, the invention has the following advantages:

compared with other mobile communication systems which only can flexibly deploy node switching equipment and access attached users move among the node switching equipment and need to change mark identification (number), the invention establishes a set of user mark system, namely user name, telephone number and resource locator, and uses the user sniffing method in the high-mobility backbone communication system by registering authorized users in a database record network and registering online users in the database record network, so that under the condition of more frequent node mobility and user movement, the current position of the user is flexibly and efficiently found and positioned, and the communication session service under the condition of user movement in the mobile communication network is solved. The three user marking modes are easy to remember, and the real identity of the user is hidden.

Compared with the method for sniffing the user in the high-mobility backbone communication system, which is provided by the invention, which is associated with the user number at the connected node equipment, the method solves the problem that the user number cannot move, realizes the random mobile access of the user and enhances the survivability of the high-mobility backbone network.

The invention has the characteristics of simple realization of network equipment, rapid and accurate user positioning, convenient use of network session service, high success rate and the like.

Drawings

Fig. 1 is a schematic block diagram of a sniffing method in a high-mobility backbone communication system according to the present invention.

In fig. 1, 1 configures user registration data for network management, 2, 10 configures registration databases, 3, 11 forms registration databases for user registration, 4, 8 users, 5, 12 searches registration databases, 6, 13 searches registration databases, 7, 14 sniffs messages, 9-1, 9-2 prepares for high mobility backbone network nodes

Fig. 2 shows the format and contents of the user registration database and the data records of the registration database in the high mobility backbone communication system proposed by the present invention.

Detailed Description

Referring to fig. 1 and fig. 2, fig. 1 is a schematic block diagram of a sniffing method in a high mobility backbone communication system proposed by the present invention, and fig. 2 is a user registration database and a registration database data record in the high mobility backbone communication system proposed by the present invention. The invention comprises the following steps:

the network management configuration creates a registry database, the data format and content of which are shown in fig. 2. And the network management issues the configured registration database to the high-mobility backbone network node equipment.

In the highly mobile backbone communication system, in order to adapt to the use requirement of the network, the node is mobile, the user moves, and the user identification adopts a plurality of addressing modes, including the forms of user names, telephone numbers and resource locators. And pre-distributing a network-wide unique identifier for the network-wide users through network management to form a registered data record comprising the network-wide users.

The user name form, which adopts text format to identify the user, such as: the lightning bolt is simple and easy to remember for a user, and when other users communicate with the user, the current position of the user can be inquired by simply inputting the name and searching a position server through a network access node. By adopting the method, the real identity of the user can be kept secret, for example, lightning is distributed to a specific user, the real identity of the user is hidden in the whole network, and even if the network is attacked, an adversary cannot easily guess the identity attribute of the user.

In order to continue the old usage habits and interworking with other networks, addressing of telephone numbers is also used. The number format can be unfixed in consideration of the combat requirements; this number must remain unique throughout the network, allowing for user mobility.

In the high mobility backbone network, a resource locator format user addressing mode can adopt a ' user name @ exchange node name and network number ' format, wherein the exchange node name represents a nickname configured for a certain exchange node by network management, for example, the network number ' skynet one ' represents 18 th army, the exchange node 3 in the 18 th army network is configured as a ' predator ', and then ' cheetah @ predator ' and skynet one ' represent a user cheetah registered on the 18 th army node 3. When session control is carried out, firstly, a switching node of a registration place is inquired; if the user moves to another node, the name remains the same and the user location is located by sniffing. Meanwhile, the method is easy to remember, and the real identity of the user is hidden outwards.

The implementation step (r) involves the network management configuration user registration data 1, the high mobility backbone network node device 9-1 and the high mobility backbone network node device 9-2 in fig. 1.

And step two, configuring a registration database. After receiving the configuration data issued by the network management, the node equipment records and forms a registration database including users with authority in the whole network.

In the high mobility backbone network, each switching node keeps a registration user record of the whole network, and the registration record is issued by network management to form a registration database. If the user records an address with a resource locator format in the registration database, the user is considered to be affiliated, for example, the attribution of 'predator' is 'cheetah @ predator, skynet number', namely the user belongs to the 18 th army node 3; if the user record does not contain the information, the user is considered to have no specific attribution, the registration of the user after random movement into any node is not influenced, and the position query of the user can be finished through mechanisms such as registration, address updating and the like.

The implementation step is completed by the configuration registration database 2 and the configuration registration database 10 in fig. 1, and the user name, the user number, the user resource locator, the gateway address and the user attribute are recorded in the databases.

And thirdly, the user registers after accessing the network and establishes a registration database.

According to the combat requirement, the switching node needs to be maneuvered and moved by the user. In the maneuvering and moving process, a user needs to register on the node equipment with successful access attachment. Each switching node in the high mobility backbone network stores the learned registered user information in the whole network to form a registration database. An example of the format and content of the registration database is shown in fig. 2.

And the implementation step is completed by a user registration database 3 formed by the user 4 and the user registration and a user registration database 11 formed by the user 8 and the user registration in the figure 1, and when the user accesses the node equipment, a registration message is sent to the node equipment. After receiving the registration information of the user, the node equipment inquires a registration database, and if the user record and the authentication pass, the node equipment records the user information in the registration database to form a registration data record. When the user moves, if there is a logout message, the user record is deleted in the registration database. If there is no logoff message, the record cannot be deleted. Thereafter, as the called party, the session answer message cannot be sent, and the calling party recognizes that the called party has moved.

When the calling user initiates a session, firstly inquiring a local registration database, and if a record exists, sending a session message to the recorded address; if no record or no session response message exists, the calling user searches a registration database, if no user record exists, the call fails, if the user record exists, the calling user can realize that the called user moves, and a sniffing message is sent to other nodes. The implementation step (4) is completed by the user 4, the registration database 5, the registration database 6, the sniffing message 7 and the high mobility backbone network node device 9-1 in fig. 1.

Receiving node device of sniffing message, inquiring user register database, if not checking user record, then not responding any message. If the user record is inquired, a session application message is sent to the address of the user, and if the session response message of the user does not exist, the user is indicated to be registered at the node before, but moves to other places without logout, and the user response message is not generated. If the user is still accessing this node, the user generates a session response message.

If the session response message of the called user is not received, the fact that the user is not at the node is indicated, and the node cannot send a response message of successful sniffing back to the calling node device. And if the session response message of the user is received, sending a response message of successful sniffing back to the calling node equipment and simultaneously carrying out the session establishment process.

The implementation step is completed by the high mobility backbone network node device 9-2 in fig. 1, the sniffing message 14, the query registration database 13 and the user 8.

Sixthly, the calling node equipment receives the response message of successful sniffing, records the address of the called user in the registration database and continues the rest conversation process at the same time.

The calling node device that receives the response has added this record in its own registration database, and then does not need to start the sniffing method again when the communication session is carried out again later.

The implementation step is realized by forming a registration database 3 by the high maneuvering node equipment 9-1, the sniffing message 7 and the user registration. Therefore, the sniffing method of the high mobility backbone network user is completed, the position of the called user is found, and the communication session service is carried out at the same time.

And completing the communication session service of the high mobility backbone network.

Claims

1. A high-mobility backbone communication system user sniffing method is characterized in that it comprises the steps:

①The network management configuration generates a high-mobility backbone network registration database; specifically: in the high-mobility backbone communication system, user identification adopts a variety of addressing methods, including user names, telephone numbers, and resource locators. Users pre-allocate the unique identifier of the whole network to form a registration database including users of the whole network;

② Issued by the network management, the registration database is configured on the node devices of the high mobility backbone network to form a node device registration database; specifically: in the high mobility backbone network, each node device stores the registered user records of the entire network. The records are issued by the network management to form a node device registration database;

③The user accesses the successfully attached node device, registers on the network, and forms a registration database; specifically: after the node device receives the user's registration message, it queries the node device registration database, and if there is a user record and the authentication is passed, a registration database is formed;

④ When the calling user initiates a session, first query the local registration database, if there is a record, send a session message to the recorded address; if there is no record or no session response message, the calling user searches the registration database and finds that the called user has already occurred Move, will send sniffing messages to other nodes;

⑤ The node device that receives the sniffing message queries the registration database; if no user record is found, it does not respond to any message; if the user record is found, a session request message is sent to the user's address;

If the user’s session response message is received, the local node device will send back a sniffing success response message to the calling node device and proceed with the session establishment process at the same time; if the called user’s session response message is not received, it indicates that the user has moved out The local node device, at this time, the local node cannot send back the sniffing success response message to the calling node device;

⑥The calling node device receives the sniffing success response message, records the called user address in the registration database, and continues the remaining session process at the same time;

Complete user location positioning in the highly mobile backbone network and realize communication session services.