CN106657183A - Caching acceleration method and apparatus - Google Patents

Abstract

The invention provides a caching acceleration method and apparatus. The method comprises the following steps: obtaining a request message sent by a terminal for requesting caching acceleration of Internet resources, wherein the request message comprises domain name information of the Internet resources; according to the domain name information, determining a service provider of the Internet resources; and according to a load pressure value of the service provider on a caching server, providing caching acceleration service for the Internet resources requested by the terminal for the caching acceleration. According to the invention, the problem of incapability of controlling caching acceleration service according to load pressure of the service provider of the Internet resources in the prior art is solved, the effect of providing the caching acceleration according to the load pressure value of the caching server is realized, and the work efficiency of the caching server is improved.

Description

Method and device for caching acceleration

technical field

The present invention relates to the field of cache acceleration applications, in particular to a cache acceleration method and device.

Background technique

The network acceleration system has been applied to major operators at home and abroad. The current mainstream acceleration technology is to deploy cache servers and redirect servers. The redirection server makes decisions based on data such as user IP address, domain name, cache file type, and node status after capturing the end user request, and returns the address of the end user cache server. The end user initiates a request to the cache server according to the returned IP address. After receiving the request, the cache server determines whether the cache file exists locally. If there is the cache file, it extracts the cache file and sends it to the end user; if there is no cache file, the cache The server will send a request to the source site, and the cache server will cache the resource after obtaining the resource from the source site and provide services to end users.

In related technologies, each content provider has its own domain name that needs to be cached and accelerated, and the redirection server cannot perform redirection control according to the content provider. Some domain names with high traffic volume do not go to the cache server, and some domain names with low traffic volume go to the cache server. The traffic saving effect of the caching server is not maximized, and the redirection server cannot be effectively controlled according to the load pressure of each content provider. Therefore, there is still much room for improvement and development in related caching acceleration technologies and redirection functions.

Aiming at the problem in the related art that the caching acceleration service cannot be controlled according to the load pressure of the content provider of each resource, no effective solution has been found so far.

Contents of the invention

The present invention provides a cache acceleration method and device to at least solve the problem in the related art that the cache acceleration service cannot be controlled according to the load pressure of Internet resource operators.

According to one aspect of the present invention, a cache acceleration method is provided, including: obtaining a request message sent by a terminal for requesting cache acceleration Internet resources, wherein the request message includes domain name information of the Internet resource; according to the The domain name information is used to determine the operator that provides the Internet resource; according to the load pressure value of the operator on the cache server, cache acceleration service is provided for the Internet resource requested by the terminal for cache acceleration.

Further, according to the load pressure value of the operator on the cache server, providing the cache acceleration service for the Internet resources requested by the terminal for cache acceleration includes: judging whether the load pressure value of the operator on the cache server is less than a first preset Setting a threshold; when judging that the operator’s load pressure value on the cache server is less than a first preset threshold, sending the address of the cache server that provides cache acceleration services to the terminal, and instructing the terminal Caching on the server accelerates said Internet resources.

Further, judging whether the operator's load pressure value on the cache server is less than a first preset threshold includes: judging whether the number of concurrent users of the operator on the cache server is less than a second preset threshold, and/or, judging Whether the available bandwidth of the operator on the cache server is greater than the third preset threshold; after judging that the number of concurrent users of the operator on the cache server is less than the second preset threshold, and/or, judging that the operator is in When the available bandwidth on the cache server is greater than a third preset threshold, it is determined that the load pressure value of the operator is less than the first preset threshold.

Further, when it is judged that the load pressure value of the operator on the cache server is greater than or equal to a first preset threshold, the method further includes: sending a notification message of refusal to provide the cache acceleration service, and instructing the terminal to pass the The source site of the Internet resource obtains the Internet resource.

Further, the request message sent by the acquiring terminal for requesting cached acceleration of Internet resources includes: obtaining the request message sent by the terminal through an optical splitter for requesting cached accelerated Internet resources, or receiving the request message sent by the terminal through a local DNS domain name resolution server A request message used to request caching to accelerate Internet resources.

Further, before providing cache acceleration services for Internet resources requested by the terminal for cache acceleration according to the load pressure value of the operator on the cache server, the method further includes: receiving the cache server where the operator is located The load pressure value counted in a predetermined period.

According to another aspect of the present invention, a cache acceleration device is provided, including: an acquisition module, configured to acquire a request message for requesting cache acceleration Internet resources sent by a terminal, wherein the request message includes the Internet resources domain name information; a determination module, configured to determine the operator that provides the Internet resource according to the domain name information; a service module, configured to request caching for the terminal according to the load pressure value of the operator on the cache server Accelerated Internet resources provide cache acceleration services.

Further, the service module includes: a judging unit for judging whether the operator’s load pressure value on the cache server is less than a first preset threshold; a service unit for judging the operator’s load pressure on the cache server When the value is less than the first preset threshold, the address of the cache server providing the cache acceleration service is sent to the terminal, and the terminal is instructed to cache and accelerate the Internet resource on the cache server.

Further, the judging unit includes: a first judging subunit, configured to judge whether the number of concurrent users of the operator on the cache server is less than a second preset threshold, and/or a second judging subunit, configured to judge the Whether the available bandwidth of the operator on the cache server is greater than the third preset threshold; the determination subunit is used to determine that the number of concurrent users of the operator on the cache server is less than the second preset threshold, and/or, determine the When the available bandwidth of the operator on the cache server is greater than a third preset threshold, it is determined that the load pressure value of the operator is less than the first preset threshold.

Further, the service module further includes: a notification unit, configured to send a notification message of refusing to provide the cache acceleration service when the judging unit judges that the load pressure value of the operator on the cache server is greater than or equal to a first preset threshold, And instruct the terminal to obtain the Internet resource through the source site of the Internet resource.

Further, the acquiring module includes: an acquiring unit, configured to acquire a request message sent by the terminal through an optical splitter for requesting cache acceleration of Internet resources; a receiving unit configured to receive a request message sent by the terminal through a local DNS domain name resolution server for requesting cache Accelerate request messages for Internet resources.

Further, the device further includes: a receiving module, configured to receive the operation before the service module provides cache acceleration services for Internet resources that the terminal requests for cache acceleration according to the load pressure value of the operator on the cache server. The load pressure value collected by the store in the cache server within a predetermined period.

According to the present invention, the request message sent by the acquisition terminal for requesting caching and accelerating Internet resources is adopted, wherein the request message includes the domain name information of the Internet resource; according to the domain name information, the operator that provides the Internet resource is determined ; According to the load pressure value of the operator on the cache server, the cache acceleration service is provided for the Internet resource requested by the terminal for cache acceleration, which solves the problem in the related art that the cache acceleration service cannot be controlled according to the load pressure of the operator of the Internet resource The problem is to achieve the effect of providing cache acceleration according to the load pressure value of the cache server, thereby improving the working efficiency of the cache server.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

FIG. 1 is a network architecture diagram of a cache acceleration system according to an embodiment of the present invention;

FIG. 2 is a flowchart of a method for cache acceleration according to an embodiment of the present invention;

FIG. 3 is a structural block diagram of a cache acceleration device according to an embodiment of the present invention;

FIG. 4 is an optional structural block diagram 1 of a cache acceleration device according to an embodiment of the present invention;

FIG. 5 is an optional structural block diagram 2 of a cache acceleration device according to an embodiment of the present invention;

FIG. 6 is an optional structural block diagram 3 of an apparatus for caching acceleration according to an embodiment of the present invention;

FIG. 7 is an optional structural block diagram 4 of an apparatus for caching acceleration according to an embodiment of the present invention;

FIG. 8 is an optional structural block diagram five of a cache acceleration device according to an embodiment of the present invention;

Fig. 9 is a system flowchart of redirecting content according to a content provider by the caching system according to an optional embodiment of the present invention.

detailed description

Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

A cache acceleration method is provided in this embodiment. FIG. 1 is a network architecture diagram of a cache acceleration system according to an embodiment of the present invention. As shown in FIG. 1 , it includes: a client, a redirection server, a cache server, and the Internet WEB server, the redirect server obtains the cache acceleration request and decides whether to provide cache acceleration service for the client, and the cache server provides the cache acceleration service for the client, as follows: the request sent by the end user through the client is redirected to the cache by the redirect server To accelerate the server, the cache server judges whether the requested resource has been cached. If the requested resource has not been cached, the cache server will initiate the request to the Internet Web server, cache the resource content in the cache server, and provide services to end users; if it has been cached For the requested resource, the cache server provides the service directly to the end user.

Fig. 2 is a flowchart of a method for caching acceleration according to an embodiment of the present invention. As shown in Fig. 2, the method can be applied on the redirection server side, and the process includes the following steps:

Step S202, obtaining a request message sent by the terminal for requesting caching and acceleration of Internet resources, wherein the request message includes domain name information of Internet resources;

Optionally, in addition to the domain name information of the Internet resource, the request message may also include: terminal IP address, Internet resource file type, node status and other information.

Step S204, according to the domain name information, determine the operator that provides Internet resources;

In this embodiment, the operator that provides Internet resources may be a content provider that provides Internet resources for users, may be a platform or management platform for Internet resources, may be a portal website, such as Sohu, Baidu, etc., or may be a video Broadcasting platforms, such as Youku, LeTV, iQiyi, etc. Among them, the total domain name of the portal website and video broadcasting platform also includes multiple subordinate subdomains, and it can also be a telecom service provider of multimedia resources, such as China Mobile, China China Unicom, etc. Optionally, the operator of the Internet resource may be determined according to the pre-stored correspondence between the domain name and the operator to which the domain name belongs.

Step S206, according to the load pressure value of the operator on the cache server, provide the cache acceleration service for the Internet resources requested by the terminal for cache acceleration.

Through this embodiment, the request message sent by the acquisition terminal for requesting caching and acceleration of Internet resources is adopted, wherein the request message includes the domain name information of the Internet resource; according to the domain name information, determine the operator that provides the Internet resource Provider; according to the load pressure value of the operator on the cache server, provide cache acceleration service for the Internet resources requested by the terminal for cache acceleration, which solves the problem that the cache acceleration service cannot be controlled according to the load pressure of the Internet resource operator in the related technology The problem of cache acceleration is realized according to the load pressure value of the cache server, thereby improving the working efficiency of the cache server.

In an optional implementation manner according to this embodiment, according to the load pressure value of the operator on the cache server, providing the cache acceleration service for the Internet resource that the terminal requests for cache acceleration includes:

S11, judging whether the operator's load pressure value on the cache server is less than a first preset threshold;

Optionally, the load pressure value of the operator on the cache server represents the pressure state of the operator to provide cache services on the cache server. The pressure state is dynamic, with the current network status or the number of terminals that the operator provides cache services change with changes.

S12. When judging that the operator's load pressure on the cache server is less than a first preset threshold, send the address of the cache server providing the cache acceleration service to the terminal, and instruct the terminal to cache and accelerate Internet resources on the cache server.

In this embodiment, the redirection server stores the maximum load pressure value that the operator can bear on the cache server, or the maximum load pressure value when the efficiency is the highest, that is, the first preset threshold. When judging the current load of the cache server When the pressure value is less than the first preset threshold, the operator can provide services for more users on the cache server, the redirection server sends the address of the cache server to the terminal, and the terminal initiates a cache acceleration request to the cache server corresponding to the address. ask.

Optionally, by comparing multiple first preset thresholds of multiple cache servers connected to the redirection server with the current load pressure values of multiple cache servers, select the cache server with the lowest load pressure value to provide cache for the terminal service, or select the cache server with the largest difference after subtracting the current load pressure value from the first preset threshold to provide the terminal with the cache service.

Optionally, when specifically judging whether the operator's load pressure value on the cache server is less than the first preset threshold, it may be implemented in the following manner:

Judging whether the number of concurrent users of the operator on the cache server is less than a second preset threshold, and judging whether the operator's available bandwidth on the cache server is greater than a third preset threshold;

When it is judged that the number of concurrent users of the operator on the cache server is less than the second preset threshold and the available bandwidth of the operator on the cache server is greater than the third preset threshold, it is determined that the load pressure value of the operator is less than the first preset threshold .

It should be noted here that it may only be judged whether the number of concurrent users is less than the second preset threshold, or whether the currently available bandwidth is greater than the third preset threshold, or whether the number of concurrent users is smaller than the second preset threshold and Whether the current available bandwidth is greater than the third preset threshold. Optionally, the number of concurrent users indicates the number of terminals for which the operator provides cache acceleration services on the cache server. For example, the operator currently provides cache acceleration services for 30 terminals on the cache server, and the number of concurrent users is 30. The available bandwidth on the cache server is related to the bandwidth consumed by the current cache acceleration and the maximum available bandwidth.

Optionally, according to an optional implementation of this embodiment, when it is determined that the load pressure value of the operator on the cache server is greater than or equal to the first preset threshold, the method further includes: sending a notification message of refusing to provide the cache acceleration service, And instruct the terminal to obtain the Internet resource through the source site of the Internet resource.

Through this optional implementation mode, when the load pressure on the cache server is high, the operator refuses to provide cache acceleration services for the terminal, and allows the source site of Internet resources to provide services for the terminal, thus ensuring the cache server. Efficient work prevents the performance of the cache server and user experience from being affected by the overload of the load pressure. When the terminal cannot enjoy the cache acceleration service, it promptly switches to the source site to directly provide download services, ensuring the basic requirements for the terminal to download Internet resources.

In an optional implementation according to this embodiment, obtaining the request message sent by the terminal for requesting caching and accelerating Internet resources may specifically be implemented in the following optional manner: Obtaining the request message for requesting caching and accelerating Internet resources sent by the terminal through an optical splitter The resource request message, the request message for requesting caching and accelerating Internet resources sent by the receiving terminal through the local DNS domain name resolution server.

In an optional implementation of this embodiment, before providing the cache acceleration service for Internet resources requested by the terminal for cache acceleration according to the load pressure value of the operator on the cache server, the method further includes: receiving the cache server where the operator is located Statistical load pressure value within a predetermined period. The cache server receives the terminal user's request and provides the terminal user with cache acceleration service. The cache server finds the corresponding content provider according to the domain name information requested by the terminal user, and counts the current concurrent users and service bandwidth data of the content provider. It is set to periodically report to the redirection server, so that the redirection server knows when to know the current load pressure status of each cache server.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is Better implementation. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to related technologies can be embodied in the form of software products, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk, etc.) ) includes several instructions to make a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) execute the method of each embodiment of the present invention.

This embodiment also provides a cache acceleration device, which is used to implement the above embodiments and preferred implementation modes, and what has been described will not be repeated. As used below, the term "module" may be a combination of software and/or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

Fig. 3 is a structural block diagram of a cache acceleration device according to an embodiment of the present invention. As shown in Fig. 3, the device includes: an acquisition module 30, a determination module 32, and a service module 34, wherein,

The acquiring module 30 is configured to acquire a request message sent by the terminal for requesting caching and accelerating Internet resources, wherein the request message includes domain name information of the Internet resource;

A determining module 32, configured to determine an operator providing Internet resources according to the domain name information;

The service module 34 is configured to provide cache acceleration services for Internet resources that the terminal requests for cache acceleration according to the load pressure value of the operator on the cache server.

FIG. 4 is an optional structural block diagram 1 of a cache acceleration device according to an embodiment of the present invention. As shown in FIG. 4 , the device includes not only all the modules shown in FIG. Unit 42, where,

A judging unit 40, configured to judge whether the operator's load pressure value on the cache server is less than a first preset threshold;

The service unit 42 is configured to send the address of the cache server providing the cache acceleration service to the terminal when it is judged that the load pressure value of the operator on the cache server is less than the first preset threshold, and instruct the terminal to cache and accelerate the Internet on the cache server. resource.

Fig. 5 is an optional structural block diagram 2 of a device for caching acceleration according to an embodiment of the present invention. As shown in Fig. 5, in addition to all the modules shown in Fig. 4, the judging unit 40 also includes: a first judging subunit 50. The second judging subunit 52 and the determining subunit 54, wherein,

The first judging subunit 50 is used to judge whether the number of concurrent users of the operator on the cache server is less than a second preset threshold;

The second judging subunit 52 is configured to judge whether the operator's available bandwidth on the cache server is greater than a third preset threshold;

The determination subunit 54 is configured to determine that the number of concurrent users of the operator on the cache server is less than the second preset threshold, and/or when it is determined that the available bandwidth of the operator on the cache server is greater than the third preset threshold, determine the operator The load pressure value of the quotient is less than the first preset threshold.

It should be noted here that the judging unit 40 may only include the first judging subunit 50 or the second judging subunit 52, which are respectively coupled and connected to the determining subunit 54, or may include the first judging subunit 50 and the second judging subunit 50 at the same time. The subunit 52 is coupled to the determination subunit 54 .

Fig. 6 is an optional structural block diagram 3 of a device for caching acceleration according to an embodiment of the present invention. As shown in Fig. 6, in addition to all the modules shown in Fig. When the judging unit judges that the operator's load pressure value on the cache server is greater than or equal to the first preset threshold, it sends a notification message refusing to provide the cache acceleration service, and instructs the terminal to obtain Internet resources through the source site of the Internet resources.

FIG. 7 is an optional structural block diagram 4 of a cache acceleration device according to an embodiment of the present invention. As shown in FIG. 7 , in addition to all the modules shown in FIG. Unit 72, where,

The acquisition unit 70 is configured to acquire a request message sent by the terminal through the optical splitter for requesting caching and accelerating Internet resources;

The receiving unit 72 is configured to receive, through the local DNS domain name resolution server, a request message for requesting caching and accelerating Internet resources sent by the terminal.

It should be noted here that the acquiring module 30 may only include the acquiring unit 70 or only the receiving unit 72 , or may include both the acquiring unit 70 and the receiving unit 72 .

Fig. 8 is an optional structural block diagram five of a device for caching acceleration according to an embodiment of the present invention. As shown in Fig. 8 , in addition to all the modules shown in Fig. 3 , the device also includes: a receiving module 80 for serving According to the load pressure value of the operator on the cache server, the module receives the load pressure value counted by the cache server where the operator is located within a predetermined period before providing cache acceleration service for the terminal requesting cache acceleration Internet resources.

The invention is described in detail below in conjunction with optional embodiments of the present invention:

The process of this optional embodiment includes:

S21. Configure the corresponding relationship between each domain name and the content provider to which the domain name belongs, and the maximum number of concurrent users and maximum bandwidth data supported by the content provider (equivalent to the operator in the above embodiment) to the cache server;

S22. The cache server receives the terminal user's request, and provides the terminal user with a cache acceleration service. At the same time, the cache server finds the corresponding content provider according to the domain name information requested by the terminal user, and counts the current number of concurrent users and service bandwidth of the content provider. data;

S23. The cache server regularly reports the current number of concurrent users and service bandwidth data of the content provider and the maximum number of concurrent users and maximum service bandwidth data supported by the content provider to the redirection server;

S24. The redirection server captures the end user request through an optical splitter or local domain name resolution system Local DNS (Domain Name System, referred to as DNS), and the redirection server finds the corresponding content provider according to the domain name requested by the end user, and then, According to the content provider's current number of concurrent users and service bandwidth reported by the cache server and the maximum number of concurrent users and maximum service bandwidth supported by the content provider;

S25. When the current number of concurrent users and the service bandwidth of the content provider do not exceed the maximum number of concurrent users and the maximum service bandwidth supported by the content provider, the redirection server returns the address of the cache server to the end user, and the cache server provides services to the end user ; When one of the current number of concurrent users or the service bandwidth of the content provider exceeds the maximum number of concurrent users or the maximum service bandwidth supported by the content provider, the cache server does not provide the service, and the origin site provides the service.

In this optional embodiment, a caching system adds a redirection method according to content providers, and the redirection server performs redirection control by obtaining concurrent users and bandwidth data of the content provider reported by the cache server.

Fig. 9 is a system flow diagram of a caching system redirecting content according to a content provider according to an optional embodiment of the present invention. As shown in Fig. 9, the caching system redirects content system flow according to a content provider, including:

S1001. The terminal user initiates a request for accessing Internet resources, and the redirection server obtains the request message through an optical splitter or Local DNS.

S1002, the redirection server makes a decision based on information such as the user's IP address, domain name, and content provider;

S1003, the redirection server returns a cache server IP address to the terminal user;

S1004, the terminal user initiates a resource access request to the cache server;

S1005, the cache server judges whether the requested resource exists locally, if the cache server has already cached the resource, directly skip to step S1008;

S1006, the cache server does not cache the resource, and initiates a request to the origin site;

S1007, the source station returns to the cache server to request resources;

S1008. The cache server counts the current number of concurrent users and service traffic of the content provider according to the content provider to which the domain name belongs;

S1009, the cache server regularly reports the current number of concurrent users and service traffic of each content provider, and the maximum number of concurrent users and maximum service bandwidth supported by the content provider to the redirection server;

S1010. The cache server provides a service to the terminal user.

It should be noted that each of the above-mentioned modules can be implemented by software or hardware. For the latter, it can be implemented in the following manner, but not limited to this: the above-mentioned modules are all located in the same processor; or, the above-mentioned modules are respectively located in multiple in the processor.

The embodiment of the invention also provides a storage medium. Optionally, in this embodiment, the above-mentioned storage medium may be configured to store program codes for performing the following steps:

S1. Obtain a request message sent by the terminal for requesting caching and accelerating Internet resources, where the request message includes domain name information of the Internet resource;

S2. Determine the operator providing Internet resources according to the domain name information;

S3, according to the load pressure value of the operator on the cache server, provides cache acceleration services for Internet resources that the terminal requests for cache acceleration.

Optionally, in this embodiment, the above-mentioned storage medium may include but not limited to: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk Various media that can store program codes such as discs or optical discs.

Optionally, for specific examples in this embodiment, reference may be made to the examples described in the foregoing embodiments and optional implementation manners, and details are not repeated in this embodiment.

Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices Alternatively, they may be implemented in program code executable by a computing device so that they may be stored in a storage device to be executed by a computing device, and in some cases, in an order different from that shown here The steps shown or described are carried out, or they are separately fabricated into individual integrated circuit modules, or multiple modules or steps among them are fabricated into a single integrated circuit module for implementation. As such, the present invention is not limited to any specific combination of hardware and software.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (12)

1. a kind of method that caching accelerates, it is characterised in that include：

The request message for accelerating Internet resources for request caching that terminal sends is obtained, wherein, the request disappears Breath includes the domain-name information of the Internet resources；

According to domain name information, it is determined that providing the operator of the Internet resources；

Load pressure value according to the operator on caching server, is the mutual of the terminal request caching acceleration Networked resources provide caching and accelerate service.

2. method according to claim 1, it is characterised in that according to load of the operator on caching server Pressure value, the Internet resources for caching acceleration for the terminal request provide caching acceleration service to be included：

Judge load pressure value of the operator on caching server whether less than the first predetermined threshold value；

When judging that load pressure value of the operator on caching server is less than the first predetermined threshold value, it will thus provide Caching accelerates the address of the caching server of service to be sent to the terminal, and indicates the terminal in the caching clothes Caching accelerates the Internet resources on business device.

3. method according to claim 2, it is characterised in that judge load of the operator on caching server Whether pressure value includes less than the first predetermined threshold value：

Whether user concurrent number of the operator on caching server is judged less than the second predetermined threshold value, and/or, Judge available bandwidth of the operator on caching server whether more than the 3rd predetermined threshold value；

Judging user concurrent number of the operator on caching server less than the second predetermined threshold value, and/or, When judging that available bandwidth of the operator on caching server is more than three predetermined threshold values, the operator is determined Load pressure value be less than first predetermined threshold value.

4. method according to claim 2, it is characterised in that judging that the operator is negative on caching server When carrying pressure value more than or equal to the first predetermined threshold value, methods described also includes：

Send refusal and the notification message of caching acceleration service is provided, and indicate that the terminal passes through the Internet resources Source station obtain the Internet resources.

5. method according to claim 1, it is characterised in that what the acquisition terminal sent accelerates for request caching The request message of Internet resources includes：

The request message for accelerating Internet resources for request caching that terminal sends is obtained by optical splitter, or, logical Cross the request for accelerating Internet resources for request caching of local dns domain name resolution server receiving terminal transmission Message.

6. method according to claim 1, it is characterised in that negative on caching server according to the operator Pressure value is carried, the Internet resources for accelerating is cached for the terminal request and is provided before caching acceleration service, the side Method also includes：

Receive the load pressure value that the caching server that the operator is located is counted in predetermined period.

7. the device that a kind of caching accelerates, it is characterised in that include：

Acquisition module, for obtaining the request message for accelerating Internet resources for request caching of terminal transmission, its In, the request message includes the domain-name information of the Internet resources；

Determining module, for according to domain name information, it is determined that providing the operator of the Internet resources；

Service module, is that the terminal please for the load pressure value according to the operator on caching server Ask the Internet resources that caching accelerates to provide caching and accelerate service.

8. device according to claim 7, it is characterised in that service module includes：

Judging unit, for judging whether load pressure value of the operator on caching server be pre- less than first If threshold value；

Service unit, for judging that load pressure value of the operator on caching server is default less than first During threshold value, it will thus provide caching accelerates the address of the caching server of service to be sent to the terminal, and indicates the end End caching on the caching server accelerates the Internet resources.

9. device according to claim 8, it is characterised in that judging unit includes：

First judgment sub-unit, for judging whether user concurrent number of the operator on caching server is less than Second predetermined threshold value, and/or, the second judgment sub-unit, for judging the operator on caching server Whether available bandwidth is more than the 3rd predetermined threshold value；

Determination subelement, for judging that user concurrent number of the operator on caching server is pre- less than second If threshold value, and/or, when judging that available bandwidth of the operator on caching server is more than three predetermined threshold values, The load pressure value for determining the operator is less than first predetermined threshold value.

10. device according to claim 8, it is characterised in that the service module also includes：

Notification unit, for judging that load pressure value of the operator on caching server is more than in judging unit Or during equal to the first predetermined threshold value, send refusal and the notification message of caching acceleration service is provided, and indicate the terminal The Internet resources are obtained by the source station of the Internet resources.

11. devices according to claim 7, it is characterised in that the acquisition module includes：

Acquiring unit, asking for Internet resources is accelerated for what is sent by optical splitter acquisition terminal for request caching Seek message；

Receiving unit, for being sent by local dns domain name resolution server receiving terminal for asking caching Accelerate the request message of Internet resources.

12. devices according to claim 7, it is characterised in that described device also includes：

Receiver module, for the load pressure value in service module according to the operator on caching server, be The Internet resources that the terminal request caching accelerates provide caching and accelerate before service, receive the operator and are located The load pressure value that the caching server is counted in predetermined period.