CN104935521B - For realizing the Whole load equalizing method and server of mixed scheduling - Google Patents

For realizing the Whole load equalizing method and server of mixed scheduling Download PDF

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Publication number
CN104935521B
CN104935521B CN201410100432.XA CN201410100432A CN104935521B CN 104935521 B CN104935521 B CN 104935521B CN 201410100432 A CN201410100432 A CN 201410100432A CN 104935521 B CN104935521 B CN 104935521B
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destination address
information
cdn server
transitional information
ipv6
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CN104935521A (en
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陈戈
梁洁
庄嵘
庄一嵘
韩晓梅
陈学亮
周晓燕
海锦霞
李江崴
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The present invention discloses a kind of Whole load equalizing method and server for realizing mixed scheduling.Wherein when receiving the service request of user terminal transmission, extract the destination address information for including in service request, destination address information is converted to the destination address transitional information for obeying IPv6 agreement, it is carried out according to destination address transitional information resource matched, to determine CDN server resource pool associated with destination address transitional information, using global load balancing strategy, the optimal CDN server relative to user terminal is selected in CDN server resource pool.Judge whether there is specified prefix in destination address transitional information, if having specified prefix in destination address transitional information, the address of optimal CDN server is sent to user terminal with IPv4 agreement;If not having specified prefix in destination address transitional information, the address of optimal CDN server is sent to user terminal with IPv6 agreement.To be shared using the user of different address using CDN resource.

Description

For realizing the Whole load equalizing method and server of mixed scheduling
Technical field
The present invention relates to the communications field, in particular to a kind of Whole load equalizing method kimonos for realizing mixed scheduling Business device.
Background technique
Global Internet IPv4(Internet Protocol version4, Internet protocol the 4th edition)Address is in Situation very in short supply, and IPv6(Internet Protocol version6, Internet protocol the 6th edition)Introducing improve The overall performance of network improves service quality, can effectively solve the problems, such as that network address is short, therefore the current address IPv6 Using accelerating.
The address IPv4 to IPv6 address conversion be a long process, it is in the meantime, such as double there are a variety of and deposit mode The mono- stack of stack, V4, the mono- stack of V6 etc., there is also multiple technologies, networking is extremely complex for IPv4 and IPv6 network interworking.
For CDN(Content Delivery Network, content distributing network)For, it is converted in IPv4 to IPv6 In the process, need to consider the deployment under the network environments such as double stacks, the mono- stack of V4, the mono- stack of V6.Wherein, unusual crucially different nets Network(IPv4 network, IPv6 network)User access request how to be scheduled, to network deployment for, support IPv6 and IPv4 Global load balancing mixed scheduling is a kind of preferably selection.
The technology for supporting IPv6 and IPv4 global load balancing mixed scheduling at present, generally uses virtual machine technique, that is, exists Same GSLB(Global Server Load Balance, global load balancing)Two virtual machines of enabling on server, one The address platform virtual machine configuration IPv4, another address virtual machine configuration IPv6, the user for handling IPv4 and IPv6 respectively request to adjust Degree.
But since the CDN server resource of IPv4 is divided into IPv4 resource and IPv6 resource by the technology, it is difficult to shared Use CDN resource.
Summary of the invention
The embodiment of the present invention provides a kind of Whole load equalizing method and server for realizing mixed scheduling, passes through base In the resource pool address matching of unified IPv6 address format, and then realize that the user based on two kinds of addresses requests mixed scheduling.
According to an aspect of the present invention, a kind of Whole load equalizing method for realizing mixed scheduling is provided, including:
When receiving the service request of user terminal transmission, the destination address information for including in service request is extracted;
Destination address information is converted, to obtain obeying the destination address transitional information of IPv6 agreement;
It is resource matched according to destination address transitional information progress, it is related to the destination address transitional information with determination The CDN server resource pool of connection;
Using global load balancing strategy, select in the CDN server resource pool relative to the user terminal Optimal CDN server;
Judge whether there is specified prefix in the destination address transitional information;
If in the destination address transitional information have specified prefix, by the address of the optimal CDN server with IPv4 agreement is sent to the user terminal;
If in the destination address transitional information do not have specified prefix, by the address of the optimal CDN server with IPv6 agreement is sent to the user terminal.
In one embodiment, destination address information is converted, is turned with obtaining obeying the destination address of IPv6 agreement The step of changing information include:
Judge whether destination address information obeys IPv4 agreement;
If destination address information obeys IPv4 agreement, destination address information is converted to the destination for obeying IPv6 agreement Location transitional information;
If destination address information obeys IPv6 agreement, directly using destination address information as the purpose for obeying IPv6 agreement Information of address conversion.
In one embodiment, destination address information is converted to the step for obeying the destination address transitional information of IPv6 agreement Suddenly include:
Specified prefix is added for purpose address information, so that destination address information to be converted to the purpose for obeying IPv6 agreement Information of address conversion.
In one embodiment, specified prefix is 96 0.
In one embodiment, resource matched according to destination address transitional information progress, with the determining and purpose The step of information of address conversion associated CDN server resource pool includes:
Judge whether there is specified prefix in the destination address transitional information;
If having specified prefix in the destination address transitional information, the CDN server and branch of IPv4 network will be supported The CDN server for holding IPv4/IPv6 dual stack network is placed into CDN server money associated with the destination address transitional information In the pond of source;
If in the destination address transitional information do not have specified prefix, will support IPv6 network CDN server and The CDN server of IPv4/IPv6 dual stack network is supported to be placed into CDN server associated with the destination address transitional information In resource pool.
According to another aspect of the present invention, a kind of global load balancing server for realizing mixed scheduling is provided, is wrapped Include receiving unit, extraction unit, address conversioning unit, resource matched unit, optimal node selecting unit, recognition unit and transmission Unit, wherein:
Receiving unit, for receiving the service request of user terminal transmission;
Extraction unit extracts service request when for receiving the service request of user terminal transmission when receiving unit In include destination address information;
Address conversioning unit, for converting destination address information, to obtain obeying the destination address of IPv6 agreement Transitional information;
Resource matched unit, it is resource matched for being carried out according to the destination address transitional information, with the determining and mesh The associated CDN server resource pool of information of address conversion;
Optimal node selecting unit selects in the CDN server resource pool for utilizing global load balancing strategy Out relative to the optimal CDN server of the user terminal;
Recognition unit, for judging whether there is specified prefix in the destination address transitional information;
Transmission unit, for the judging result according to recognition unit, if having in the destination address transitional information specified The address of the optimal CDN server is then sent to the user terminal with IPv4 agreement by prefix;If the destination address turns It changes and does not have specified prefix in information, then it is whole the address of the optimal CDN server to be sent to the user with IPv6 agreement End.
In one embodiment, address conversioning unit specifically includes first judgment module and address conversion module, wherein:
First judgment module, for judging whether destination address information obeys IPv4 agreement;
Address conversion module, for the judging result according to first judgment module, if destination address information obeys IPv4 association Destination address information is then converted to the destination address transitional information for obeying IPv6 agreement by view;If destination address information is obeyed IPv6 agreement, then directly using destination address information as the destination address transitional information for obeying IPv6 agreement.
In one embodiment, address conversion module is specially destination address information addition specified prefix, thus by purpose Address information is converted to the destination address transitional information for obeying IPv6 agreement.
In one embodiment, specified prefix is 96 0.
In one embodiment, resource matched unit specifically includes the second judgment module and resource matched module, wherein:
Second judgment module, for judging whether there is specified prefix in the destination address transitional information;
Resource configuration module, for the judging result according to the second judgment module, if in the destination address transitional information With specified prefix, then the CDN server of the CDN server for supporting IPv4 network and support IPv4/IPv6 dual stack network is put It sets in CDN server resource pool associated with the destination address transitional information;If in the destination address transitional information Without specified prefix, then it will support the CDN server of IPv6 network and support the CDN server of IPv4/IPv6 dual stack network It is placed into CDN server resource pool associated with the destination address transitional information.
The present invention is by extracting the purpose for including in service request when receiving the service request of user terminal transmission Address information converts destination address information, to obtain obeying the destination address transitional information of IPv6 agreement, according to described The progress of destination address transitional information is resource matched, to determine that CDN server associated with the destination address transitional information provides It is selected relative to the user terminal most in the CDN server resource pool using global load balancing strategy in source pond Excellent CDN server.Judge whether there is specified prefix in the destination address transitional information, if the destination address transitional information In have specified prefix, then the address of the optimal CDN server is sent to the user terminal with IPv4 agreement;If described Do not have specified prefix in destination address transitional information, is then sent to the address of the optimal CDN server with IPv6 agreement The user terminal.To be shared using the user of different address using CDN resource.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings.
Fig. 1 is schematic diagram of the present invention for realizing Whole load equalizing method one embodiment of mixed scheduling.
Fig. 2 is the schematic diagram of address conversion one embodiment of the present invention.
Fig. 3 is the schematic diagram present invention determine that CDN server resource pool one embodiment.
Fig. 4 is the schematic diagram for implementing network architecture one embodiment of the invention.
Fig. 5 is schematic diagram of the present invention for realizing global load balancing server one embodiment of mixed scheduling.
Fig. 6 is the schematic diagram of address conversioning unit one embodiment of the present invention.
Fig. 7 is the schematic diagram of resource configuration unit one embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is schematic diagram of the present invention for realizing Whole load equalizing method one embodiment of mixed scheduling.It is preferred that , the method and step of the present embodiment can be executed by GSLB server.
Step 101, when receiving the service request of user terminal transmission, the destination for including in service request is extracted Location information.
Step 102, destination address information is converted, to obtain obeying the destination address transitional information of IPv6 agreement.
Step 103, resource matched according to destination address transitional information progress, it is converted with determining with the destination address The associated CDN server resource pool of information.
Step 104, it using global load balancing strategy, selects in the CDN server resource pool relative to described The optimal CDN server of user terminal.
Due to skilled in the art realises that how according to global load balancing policy selection to go out optimal CDN node, Here it is not unfolded to describe.
Step 105, judge whether there is specified prefix in the destination address transitional information.If the destination address conversion There is specified prefix in information, then follow the steps 106;If not having specified prefix in the destination address transitional information, hold Row step 107.
Step 106, the address of the optimal CDN server is sent to the user terminal with IPv4 agreement.Later, no Other steps of the present embodiment are executed again.
Step 107, the address of the optimal CDN server is sent to the user terminal with IPv6 agreement.
Based on the Whole load equalizing method for realizing mixed scheduling that the above embodiment of the present invention provides, connect by working as When receiving the service request of user terminal transmission, the destination address information for including in service request is extracted, destination address is believed Breath is converted, and to obtain obeying the destination address transitional information of IPv6 agreement, is carried out according to the destination address transitional information It is resource matched, to determine CDN server resource pool associated with the destination address transitional information, utilize global load balancing Strategy selects the optimal CDN server relative to the user terminal in the CDN server resource pool.Described in judgement Whether there is specified prefix in destination address transitional information, it, will if having specified prefix in the destination address transitional information The address of the optimal CDN server is sent to the user terminal with IPv4 agreement;If in the destination address transitional information Without specified prefix, then the address of the optimal CDN server is sent to the user terminal with IPv6 agreement.To make It can be shared with the user of different address using CDN resource.
Fig. 2 is the schematic diagram of address conversion one embodiment of the present invention.As shown in Fig. 2, above-mentioned steps 102 can be specially:
Step 201, judge whether destination address information obeys IPv4 agreement;If destination address information obeys IPv4 agreement, Then follow the steps 202;If destination address information obeys IPv6 agreement, 203 are thened follow the steps.
Step 202, destination address information is converted to the destination address transitional information for obeying IPv6 agreement.Later, no longer Execute other steps of the present embodiment.
Preferably, specified prefix can be added for purpose address information, obeys IPv6 so that destination address information is converted to The destination address transitional information of agreement.
For example, specified prefix can be 96 0.
Step 203, directly using destination address information as the destination address transitional information for obeying IPv6 agreement.
That is, not converted to it if destination address information is IPv6 address information.
For example, for RTSP(Real Time Streaming Protocol, real time streaming transport protocol)Request, can be right URL(Uniform Resoure Locator, uniform resource locator), the address IPv4 that carries in RTSP Describe carries out Conversion.But the address in door chain is not converted.
For HTTP(Hypertext Transfer Protocol, hypertext transfer protocol)Request, can be to URL, HTTP It is converted the address IPv4 carried in header.But to the address of HTTP Refer without processing.
Fig. 3 is the schematic diagram present invention determine that CDN server resource pool one embodiment.As shown in figure 3, above-mentioned steps 103 can be specially:
Step 301, judge whether there is specified prefix in the destination address transitional information.If the destination address conversion There is specified prefix in information, then follow the steps 302;If not having specified prefix in the destination address transitional information, hold Row step 303.
Step 302, the CDN server of the CDN server for supporting IPv4 network and support IPv4/IPv6 dual stack network is put It sets in CDN server resource pool associated with the destination address transitional information.Later, its of the present embodiment is no longer executed Its step.
Step 303, the CDN server of the CDN server for supporting IPv6 network and support IPv4/IPv6 dual stack network is put It sets in CDN server resource pool associated with the destination address transitional information.
Fig. 4 is the schematic diagram for implementing network architecture one embodiment of the invention.For brevity, it is only provided in Fig. 4 The CDN server of one support IPv4 network, the CDN server and a support IPv4/IPv6 of support IPv6 network The CDN server of dual-stack network.Those skilled in the art are it will be appreciated that can also be respectively set multiple support IPv4 in system Network supports IPv6 network and supports the CDN server of IPv4/IPv6 dual stack network.
Wherein, if having specified prefix in destination address transitional information, i.e. 96 addresses full 0+IPv4 will then be supported The CDN server of IPv4 network and support that the CDN server of IPv4/IPv6 dual stack network is placed into and the destination address is converted In the associated CDN server resource pool of information.
If not having specified prefix in destination address transitional information, i.e., original destination address information is the address IPv6, then will It supports the CDN server of IPv6 network and the CDN server of IPv4/IPv6 dual stack network is supported to be placed into and the destination address In the associated CDN server resource pool of transitional information.
Corresponding CDN server the Resources list is as shown in table 1.
Table 1
Fig. 5 is schematic diagram of the present invention for realizing global load balancing server one embodiment of mixed scheduling.Such as Shown in Fig. 5, global load balancing server includes receiving unit 501, extraction unit 502, address conversioning unit 503, resource With unit 504, optimal node selecting unit 505, recognition unit 506 and transmission unit 507.Wherein:
Receiving unit 501, for receiving the service request of user terminal transmission.
Extraction unit 502 extracts clothes when for receiving the service request of user terminal transmission when receiving unit 501 The destination address information for including in business request.
Address conversioning unit 503, for converting destination address information, to obtain obeying the destination of IPv6 agreement Location transitional information.
Resource matched unit 504, it is resource matched for being carried out according to the destination address transitional information, with it is determining with it is described The associated CDN server resource pool of destination address transitional information.
Optimal node selecting unit 505, for utilizing global load balancing strategy, in the CDN server resource pool Select the optimal CDN server relative to the user terminal.
Recognition unit 506, for judging whether there is specified prefix in the destination address transitional information.
Transmission unit 507, for the judging result according to recognition unit 506, if having in the destination address transitional information There is specified prefix, then the address of the optimal CDN server is sent to the user terminal with IPv4 agreement;If the purpose Do not have specified prefix in information of address conversion, is then sent to the address of the optimal CDN server with IPv6 agreement described User terminal.
Based on the global load balancing system for realizing mixed scheduling that the above embodiment of the present invention provides, connect by working as When receiving the service request of user terminal transmission, the destination address information for including in service request is extracted, destination address is believed Breath is converted, and to obtain obeying the destination address transitional information of IPv6 agreement, is carried out according to the destination address transitional information It is resource matched, to determine CDN server resource pool associated with the destination address transitional information, utilize global load balancing Strategy selects the optimal CDN server relative to the user terminal in the CDN server resource pool.Described in judgement Whether there is specified prefix in destination address transitional information, it, will if having specified prefix in the destination address transitional information The address of the optimal CDN server is sent to the user terminal with IPv4 agreement;If in the destination address transitional information Without specified prefix, then the address of the optimal CDN server is sent to the user terminal with IPv6 agreement.To make It can be shared with the user of different address using CDN resource.
Fig. 6 is the schematic diagram of address conversioning unit one embodiment of the present invention.As shown in fig. 6, address conversioning unit is specific Including first judgment module 601 and address conversion module 602.Wherein:
First judgment module 601, for judging whether destination address information obeys IPv4 agreement.
Address conversion module 602, for the judging result according to first judgment module 601, if destination address information is obeyed Destination address information is then converted to the destination address transitional information for obeying IPv6 agreement by IPv4 agreement;If destination address information IPv6 agreement is obeyed, then directly using destination address information as the destination address transitional information for obeying IPv6 agreement.
Preferably, address conversion module is specially destination address information addition specified prefix, thus by destination address information Be converted to the destination address transitional information for obeying IPv6 agreement.
In one embodiment, specified prefix is 96 0.
Fig. 7 is the schematic diagram of resource configuration unit one embodiment of the present invention.As shown in fig. 7, resource matched unit is specific Including the second judgment module 701 and resource matched module 702.Wherein:
Second judgment module 701, for judging whether there is specified prefix in the destination address transitional information.
Resource configuration module 702, for the judging result according to the second judgment module 701, if the destination address is converted There is specified prefix in information, then take the CDN server for supporting IPv4 network and the CDN for supporting IPv4/IPv6 dual stack network Business device is placed into CDN server resource pool associated with the destination address transitional information;If the destination address conversion Do not have specified prefix in information, then will support the CDN server of IPv6 network and supports the CDN of IPv4/IPv6 dual stack network Server is placed into CDN server resource pool associated with the destination address transitional information.
By applying the present invention, the resource pool address matching based on unified IPv6 address format can be realized, to use The user of different address can share using CDN resource.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage The solution present invention is to design various embodiments suitable for specific applications with various modifications.

Claims (8)

1. a kind of Whole load equalizing method for realizing mixed scheduling, which is characterized in that including:
When receiving the service request of user terminal transmission, the destination address information for including in service request is extracted;
Destination address information is converted, to obtain obeying the destination address transitional information of IPv6 agreement;
It is resource matched according to destination address transitional information progress, it is associated with the destination address transitional information with determination CDN server resource pool;
Using global load balancing strategy, selected relative to the user terminal most in the CDN server resource pool Excellent CDN server;
Judge whether there is specified prefix in the destination address transitional information;
If having specified prefix in the destination address transitional information, the address of the optimal CDN server is assisted with IPv4 View is sent to the user terminal;
If not having specified prefix in the destination address transitional information, by the address of the optimal CDN server with IPv6 Agreement is sent to the user terminal;
Wherein, resource matched according to destination address transitional information progress, with the determining and destination address transitional information phase Associated CDN server resource pool includes:
Judge whether there is specified prefix in the destination address transitional information;
If having specified prefix in the destination address transitional information, the CDN server and support of IPv4 network will be supported The CDN server of IPv4/IPv6 dual stack network is placed into CDN server resource associated with the destination address transitional information Chi Zhong;
If not having specified prefix in the destination address transitional information, the CDN server and support of IPv6 network will be supported The CDN server of IPv4/IPv6 dual stack network is placed into CDN server resource associated with the destination address transitional information Chi Zhong.
2. the method according to claim 1, wherein
Destination address information is converted, includes to obtain the step of obeying the destination address transitional information of IPv6 agreement:
Judge whether destination address information obeys IPv4 agreement;
If destination address information obeys IPv4 agreement, destination address information is converted to the destination address turn for obeying IPv6 agreement Change information;
If destination address information obeys IPv6 agreement, directly using destination address information as the destination address for obeying IPv6 agreement Transitional information.
3. according to the method described in claim 2, it is characterized in that,
By destination address information be converted to obey IPv6 agreement destination address transitional information the step of include:
Specified prefix is added for purpose address information, so that destination address information to be converted to the destination address for obeying IPv6 agreement Transitional information.
4. according to the method described in claim 3, it is characterized in that,
Specified prefix is 96 0.
5. a kind of global load balancing server for realizing mixed scheduling, which is characterized in that including receiving unit, extract list Member, address conversioning unit, resource matched unit, optimal node selecting unit, recognition unit and transmission unit, wherein:
Receiving unit, for receiving the service request of user terminal transmission;
Extraction unit is extracted in service request and is wrapped when for receiving the service request of user terminal transmission when receiving unit The destination address information included;
Address conversioning unit, for converting destination address information, to obtain obeying the destination address conversion of IPv6 agreement Information;
Resource matched unit, it is resource matched for being carried out according to the destination address transitional information, with the determining and destination The associated CDN server resource pool of location transitional information;
Optimal node selecting unit selects phase in the CDN server resource pool for utilizing global load balancing strategy For the optimal CDN server of the user terminal;
Recognition unit, for judging whether there is specified prefix in the destination address transitional information;
Transmission unit, for the judging result according to recognition unit, if having specified prefix in the destination address transitional information, The address of the optimal CDN server is then sent to the user terminal with IPv4 agreement;If the destination address conversion letter Do not have specified prefix in breath, then the address of the optimal CDN server is sent to the user terminal with IPv6 agreement;
Resource matched unit includes the second judgment module and resource matched module, wherein:
Second judgment module, for judging whether there is specified prefix in the destination address transitional information;
Resource configuration module, for the judging result according to the second judgment module, if having in the destination address transitional information The CDN server of the CDN server for supporting IPv4 network and support IPv4/IPv6 dual stack network is then placed by specified prefix In CDN server resource pool associated with the destination address transitional information;If not having in the destination address transitional information There is specified prefix, then places the CDN server for supporting IPv6 network and the CDN server for supporting IPv4/IPv6 dual stack network Into CDN server resource pool associated with the destination address transitional information.
6. server according to claim 5, which is characterized in that
Address conversioning unit specifically includes first judgment module and address conversion module, wherein:
First judgment module, for judging whether destination address information obeys IPv4 agreement;
Address conversion module, for the judging result according to first judgment module, if destination address information obeys IPv4 agreement, Destination address information is converted to the destination address transitional information for obeying IPv6 agreement;If destination address information obeys IPv6 association View, then directly using destination address information as the destination address transitional information for obeying IPv6 agreement.
7. server according to claim 6, which is characterized in that
Address conversion module is specially destination address information addition specified prefix, so that destination address information is converted to obedience The destination address transitional information of IPv6 agreement.
8. server according to claim 7, which is characterized in that
Specified prefix is 96 0.
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