CN101150502A - A NAT-PT device and its load share method - Google Patents
A NAT-PT device and its load share method Download PDFInfo
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- CN101150502A CN101150502A CN200710124049.8A CN200710124049A CN101150502A CN 101150502 A CN101150502 A CN 101150502A CN 200710124049 A CN200710124049 A CN 200710124049A CN 101150502 A CN101150502 A CN 101150502A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/251—Translation of Internet protocol [IP] addresses between different IP versions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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Abstract
The invention discloses a NAT-PT device and a related method for load sharing thereof, which includes the following steps: A. each NAT-PT processing single board is configured with different prefixes and address pool resources; B. a source terminal launches a domain name analysis process and transmits request messages to different single boards in a polling mode for processing, then transmits to destination terminals, and response packets are transmitted to the single boards for processing the request messages, then transmits to the source terminal; C. in a processing flow of service flow, IPv4 service messages are transmitted to the single boards configured with address pools containing destination IPv4 addresses for processing and IPv6 service messages are transmitted to the single boards matched with destination IPv6 address prefixes for processing. The invention is capable of completing decision-making on message NAT-PT processing and load sharing of messages simultaneously, thus avoiding the waste of computing resources. Furthermore, all single boards are configured with different address pool resources, NAT-PT mapping tables created in all single boards are mutually independent, and the same service flow is distributed to the same processing single board, thus avoiding the waste of storage resources.
Description
Technical field
The present invention relates to NAT-PT (NetworkAddress Translation-Protocol Translation, network address translation-protocol conversion) equipment and the load share method thereof of a kind of IPv6 of being used for (internet protocol version 6) single protocol network and the single protocol network terminal communication of IPv4 (internet protocol version 4).
Background technology
The successful use of ICP/IP protocol bunch makes the communication technology obtain swift and violent development and extensive use, as the IPv4 agreement of the core protocol of network technology, owing to be subjected to the restriction of 32 bit address length, face address assignment and is about to the problem that exhausts, be difficult to expand.For overcoming the limitation of existing IPv4 protocol family, the IPv6 agreement with unlimited address resource and good autgmentability is suggested, and has begun to use.But IPv4 is to transition meeting one suitable period of experience of IPv6, transition period is realized the communication between the various device in single protocol network territory of IPv4 and the single protocol network of the IPv6 territory, need on the border router of IPv4 network and IPv6 network, finish the mutual conversion of IPv4 message and IPv6 message, router with this function is also referred to as the NAT-PT gateway, is used to realize single protocol domain of IPv4 and the single protocol domain communication between terminals of IPv6.
On the other hand, number of users that increases sharply and business improve constantly the bandwidth requirement of data business, for satisfying the demand of continuous dilatation, the most distributed systems frameworks that adopt of present communication equipment generally all are to be made of interface single plate, chain of command processing veneer and data processing single board.Wherein interface single plate is responsible for receiving message, separating controlling signaling and user data from outside port, and is distributed to chain of command processing veneer and data processing single board processing respectively; Receive the message of handling veneer or data processing single board from chain of command simultaneously, outwards send by interface.Owing to have a plurality of processing veneers in the distributed apparatus, how to realize that the load sharing (or claiming load balancing) between a plurality of processing veneers is a very important aspect of system design.For distributed NAT-PT equipment, load sharing mainly refers to following two aspects: 1) how to distribute the message that need be NAT-PT and carry out the NAT-PT processing to a plurality of NAT-PT processing veneers; 2) how the address mapping table of the address pool resource of NAT-PT equipment disposition, message conversion use handles balanced distribution the on the veneers at a plurality of NAT-PT.
In the prior art, the load sharing that message is handled in the distributed NAT-PT equipment generally uses load sharing scheme general in the distributed network equipment: at first extract the header information of IP message such as source IP, purpose IP, protocol type, 4 layers of port number information etc. by the heading information extraction unit, Dispatching Unit is configured to decision-making and distribution index key with these information according to certain rule then, next index key is carried out Hash operation or the surplus operation of mould, handle thereby message is distributed to different processing veneers.Accompanying drawing 1 is depicted as and uses this technical scheme to realize the principle schematic that distributed NAT-PT machine utilization is shared, there is following problem in the method that the index key that a plurality of fields constitute in this use heading carries out the message distribution by hash or the surplus operation of mould:
As long as 1, in a plurality of fields of structure index key a field change is arranged, message just can be distributed to different NAT-PT and handle veneer, can be distributed to different NAT-PT for the message in same user or the same Business Stream like this and handle veneer, this requires all necessary resident whole address pool resource of all NAT-PT veneers, and then may generate the mapping table clauses and subclauses of whole unanimities, thereby cause the waste of respectively handling the veneer storage resources, under some situation or even be difficult to realize;
2, use a plurality of field structure index keys of IP heading, especially for the IPv6 message, index length is long, and Hash operation needs more computational resource, and when especially software was realized, performance was restricted.
Summary of the invention
Technical problem to be solved by this invention provides a kind of NAT-PT equipment and load share method thereof, and effectively the load of veneer is respectively handled in reduction, and avoids the waste of storage resources.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of load share method of NAT-PT equipment said method comprising the steps of:
A, be that each NAT-PT handles different NAT-PT IPv6 prefix and the address pool resources of veneer configuration;
B, source terminal are initiated the domain name mapping flow process, domain name mapping request message poll is sent to different N AT-PT processing veneer to be handled, be sent to the purpose terminal after handling, after the purpose terminal is returned the domain name mapping response message, this message is sent to the NAT-PT processing veneer of handling its request message handles, be sent to source terminal after handling;
C, enter the Business Stream handling process between source terminal and the purpose terminal, the IPv4 service message is sent to NAT-PT under the address pool that comprises its purpose IPv4 address and handles veneer and handle, the IPv6 service message is sent to NAT-PT with its purpose IPv6 address prefix coupling handles veneer and handle.
Wherein, described source terminal is the IPv4 terminal, and described purpose terminal is the IPv6 terminal; Perhaps, described source terminal is the IPv6 terminal, and described purpose terminal is the IPv4 terminal.
Wherein, for each NAT-PT handles a veneer NAT-PT IPv6 prefix of configuration and an address pool, among the step C service message is carried out NAT-PT simultaneously and handle in the described steps A.
Wherein, be in the described steps A that each NAT-PT handles two NAT-PT IPv6 prefixes of veneer configuration, and its address pool is divided into comprises two parts port numbers and that do not comprise port numbers, corresponding with described two prefixes respectively.
Wherein, among the described step B, NAT-PT processing veneer comprises that to the processing of domain name analysis request message and response message thereof NAT-PT handles and domain name mapping is handled.
Wherein, among the described step C, for the IPv4 message, if do not comprise port numbers with the address pool of its purpose IPv4 matching addresses, then NAT-PT processing veneer carries out the NAT-PT processing to it, otherwise carries out NAPT-PT (Network Address Port Translation-ProtocolTranslation: network address port conversion-protocol conversion) handle; For the IPv6 message, if do not comprise port numbers, then it is carried out NAT-PT and handle with the pairing address pool of the prefix of its coupling, handle otherwise carry out NAPT-PT.
A kind of NAT-PT equipment, described equipment comprises that the interface single plate of interconnection and NAT-PT handle veneer, described interface single plate comprises the interface unit and the decision-making Dispatching Unit of interconnection, and described NAT-PT handles NAT-PT processing unit and the rm-cell that veneer comprises interconnection;
Described interface unit is used for receiving and sending IPv4 and IPv6 message;
Described decision-making Dispatching Unit is used for that the domain name mapping message polling is sent to NAT-PT and handles veneer; Judge with the purpose IPv6 address prefix of service message or the NAT-PT that purpose IPv4 address is complementary and handle veneer, service message is distributed to the NAT-PT that is complementary with it handles veneer;
Described NAT-PT processing unit is used for message is handled;
Described rm-cell is used to manage address pool, port and the NAT-PT IPv6 prefix resource that NAT-PT handles veneer.
Wherein, described NAT-PT processing unit carries out to the domain name mapping message that NAT-PT handles and domain name mapping is handled, and service message is carried out that NAT-PT handles or the NAPT-PT processing according to address pool under the prefix of message or its destination address.
Wherein, described NAT-PT handles veneer and also comprises memory cell, is used to store address pool, port and the NAT-PT IPv6 prefix resource that NAT-PT handles veneer.
Wherein, described equipment also comprises chain of command processing unit and routing forwarding engine unit, wherein,
Described chain of command processing unit is used to handle the chain of command order and the message of access arrangement; Described routing forwarding engine unit is used to finish the routing forwarding of message.
The present invention has following beneficial effect:
The present invention is by handling veneer configuration prefix and address pool resource to each NAT-PT, whether message is done the decision-making of NAT-PT and the load sharing of message is finished simultaneously, for the message of IPv6 to IPv4, high 96 of a decision-making and a load sharing application target V6 address directly mate the prefix that each NAT-PT handles veneer configuration, have avoided the waste of computational resource; To the message of IPv6, the address pool that decision-making and load sharing application target IPv4 address and veneer dispose is mated and is realized for IPv4; On the other hand, same Business Stream is distributed same processing veneer, because each veneer address pool resource difference, the NAT-PT mapping table that generates on each veneer is separate, has avoided the waste of storage resources.
Description of drawings
Fig. 1 shares principle schematic for existing distributed NAT-PT machine utilization;
Fig. 2 is the load share method flow chart of NAT-PT equipment of the present invention;
Fig. 3 is the load share method principle schematic of embodiment one;
Fig. 4 is decision-making and the distribution method flow chart of embodiment one;
Fig. 5 is the NAT-PT veneer process flow figure of embodiment one;
Fig. 6 is a distributed NAT-PT equipment structure chart of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
The invention provides a kind of load share method of NAT-PT equipment, as shown in Figure 2, may further comprise the steps:
201, handle different NAT-PT IPv6 prefix and the address pool resources of veneer configuration for each NAT-PT;
202, source terminal is initiated DNS (domain name mapping) flow process, DNS request message poll is sent to different N AT-PT processing veneer to be handled, be sent to the purpose terminal after handling, after the purpose terminal is returned the DNS response message, this message is sent to the NAT-PT processing veneer of handling its request message handles, be sent to source terminal after handling;
203, enter Business Stream handling process between source terminal and the purpose terminal, the IPv4 service message is sent to NAT-PT under the address pool that comprises its purpose IPv4 address and handles veneer and handle, the IPv6 service message is sent to NAT-PT with its purpose IPv6 address prefix coupling handles veneer and handle.
Embodiment one:
Usually, NAT-PT equipment provides communicating by letter of terminal in the single protocol domain of single protocol domain of IPv4 and IPv6, session can be initiated by IPv4 territory terminal, also can initiate by IPv6 territory terminal, thereby source terminal is IPv4 territory terminal or IPv6 territory terminal in the said method, the purpose terminal is IPv6 territory terminal or IPv4 territory terminal simultaneously, and Fig. 3 is the load share method principle schematic of present embodiment, also can be considered as distributed NAT-PT apparatus logic and realize cell schematics.
Wherein, unit 301: for the IPv6 message, high 96 that extract IPv6 message destination address are carried out the prefix matching use for unit 302; For the IPv4 message, extract IPv4 message destination address and carry out the commensurate in scope use for unit 302.
Unit 302: prefix information of being responsible for extracting or IPv4 address and load balancing table mate, and determine whether message is NAT-PT and is handled, and connection to load is shared different NAT-PT and handled veneer.
Unit 303: load balancing table, safeguard that NAT-PT IPv6 prefix, address pool and each NAT-PT handle the corresponding relation of veneer, i.e. load sharing strategy.
Unit 304:NAT-PT handles veneer, and the NAT-PT that is responsible for message handles the management of address pool and port; Comprise that the NAT-PT processing unit (comprises DNS-ALG (DomainName Service Application Level Gateway: domain name mapping service application level gateway) handle), address pool and Port Management unit.
Present embodiment adopted under two kinds of situations that are described in respectively below that session is initiated by IPv4 territory terminal or initiated by IPv6 territory terminal decision-making and load share method:
Precondition: for each NAT-PT handles different single NAT-PT IPv6 prefix information and the address pool resources of veneer configuration.For NAT-PT equipment, need to realize DNS-ALG that the source end generally can at first be initiated the DNS flow process when initiation session, especially for IPv4 source end initiation session, must at first initiate the DNS flow process.
With reference to the accompanying drawings 4 and accompanying drawing 5, when the idiographic flow of IPv4 terminal initiation session as follows:
The A1:IPv4 terminal is initiated the DNS flow process, this moment, message IPv4 address constituted＜source: IPv4 territory dns server address, purpose: the IPv4 address is the IPv4 address of corresponding IPv6 territory dns server 〉, this address is within the address pool range of NAT-PT equipment disposition, and, require this address to handle static configuration on the veneer at each for load sharing.
A2:IPv4 DNS request message is polled to send to different veneers and carries out after NAT-PT, DNS-ALG handle, send to IPv6 territory dns server, suppose that message is distributed to veneer 1, this moment, message IPv6 address constituted＜source: prefix 1+IPv4 territory dns server address, purpose: dns server IPv6 address, IPv6 territory 〉.
A3:IPv6 territory DNS response message, high 96 of the IPv6 destination address is prefix 1, veneer 1 carries out the NAT-PT processing and DNS-ALG handles so be distributed to, (belong to veneer 1 address pool for IPv6 terminal distribution IPv4 address this moment, be designated as IPv4-1) and port numbers, generate corresponding mapping table clauses and subclauses simultaneously, send to the IPv4 terminal at last.
A4: enter the Business Stream handling process between IPv4 terminal and the IPv6 terminal.For the service message that the IPv4 terminal is sent, purpose IPv4 address is IPv4-1, carries out the NAT-PT processing so be distributed to veneer 1, sends to the IPv6 terminal afterwards; For the service message that the IPv6 terminal is sent, high 96 of purpose IPv6 address is prefix 1, carries out the NAT-PT processing so be distributed to corresponding veneer 1.
With reference to the accompanying drawings 4 and accompanying drawing 5, when the idiographic flow of IPv6 terminal initiation session as follows:
The B1:IPv6 terminal is at first initiated the DNS flow process, and this moment, message IPv6 address constituted＜source: IPv6 territory dns server address; Purpose: common prefix+IPv4 territory dns server address 〉.
B2:IPv6 DNS request message is polled to send to different NAT-PT veneers and handles (supposition is sent to veneer 2), for IPv6 dns server distributing IP v4 address (belongs to veneer 2, be designated as IPv4-2) and port numbers, after finishing dealing with, NAT-PT sends to IPv4 territory dns server.
B3:IPv4 DNS response message, destination address is IPv4-2, handle veneer 2 processing so be distributed to corresponding N AT-PT, send to the IPv6 terminal at last, message IP address after handling constitutes＜source: prefix 2+IPv4 territory dns server address, purpose: IPv6 territory purpose dns server address 〉.
B4: enter the Business Stream handling process between IPv4 terminal and the IPv6 terminal.The service message that sends for the IPv6 terminal, high 96 of purpose IPv6 address is prefix 2, carries out the NAT-PT processing so be distributed to corresponding NAT-PT veneer 2, and be IPv6 terminal distribution V4 address and port numbers this moment, generate mapping table information simultaneously, send to the IPv4 terminal after finishing dealing with; The service message that the IPv4 terminal is sent, purpose IPv4 address carry out the NAT-PT processing so be distributed to NAT-PT veneer 2 within NAT-PT veneer 2 address pool range, send to the IPv6 terminal afterwards.
Embodiment two:
In the foregoing description one, for each NAT-PT veneer has disposed independently prefix and different address pool resources, whether high 96 prefix matching of IPv6 destination address and the IPv4 matching destination address message that only is used for making a strategic decision needs to process and load sharing, after service message is distributed to NAT-PT processing veneer, the message that also needs to make a strategic decision is to be NAT-PT, still being NAPT-PT handles, present embodiment is expanded on the scheme basis of the foregoing description one, can be when decision-making and load sharing, determine the type (NAT-PT handles and NAPT-PT handles) that message need be handled simultaneously, thereby the performance of equipment can further be provided, and concrete expansion scheme is as follows:
(1) for each NAT-PT handles two NAT-PT IPv6 prefixes of veneer configuration, the corresponding NAT-PT of prefix A handles, the corresponding NAPT-PT of prefix B handles.
(2) the address pool resource division with each NAT-PT processing veneer configuration is two part: address pool A, only is used for NAT-PT and handles, and does not use port; Address pool B, the use side slogan is used for NAPT-PT and handles.
(3) NAT-PT equipment if select address pool A, then uses prefix A in processing procedure when distributing address and port, if select address pool B, then uses prefix B in processing procedure.According to different address pool coupling and prefix matching, determine NAT-PT decision-making, type classification and load sharing during the decision-making distribution.
The invention allows for a kind of NAT-PT equipment, as shown in Figure 6, comprise that a plurality of interface single plates and a plurality of NAT-PT handle veneer, interface single plate and NAT-PT handle veneer and communicate by bus.Described interface single plate comprises the interface unit and the decision-making Dispatching Unit of interconnection, and described NAT-PT handles NAT-PT processing unit and the rm-cell that veneer comprises interconnection.
Wherein, interface unit is used for receiving and sending IPv4 and IPv6 message.The decision-making Dispatching Unit is used for that the DNS message polling is sent to NAT-PT and handles veneer; Judge with the purpose IPv6 address prefix of service message or the NAT-PT that purpose IPv4 address is complementary and handle veneer, service message is distributed to the NAT-PT that is complementary with it handles veneer.The NAT-PT processing unit is used for message is handled.Rm-cell is used to manage address pool, port and the NAT-PT IPv6 prefix resource that NAT-PT handles veneer.
The NAT-PT of above-mentioned distributed NAT-PT equipment handles veneer also can comprise memory cell, is used for storing address pool, port and the NAT-PT IPv6 prefix resource that NAT-PT handles veneer.This equipment also can comprise chain of command processing unit (being used to handle the chain of command signaling and the message of access arrangement), routing forwarding engine unit (finishing the routing forwarding of message) etc.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the load share method of a NAT-PT equipment is characterized in that, said method comprising the steps of:
A, be that each NAT-PT handles different NAT-PT IPv6 prefix and the address pool resources of veneer configuration;
B, source terminal are initiated the domain name mapping flow process, domain name mapping request message poll is sent to different N AT-PT processing veneer to be handled, be sent to the purpose terminal after handling, after the purpose terminal is returned the domain name mapping response message, this message is sent to the NAT-PT processing veneer of handling its request message handles, be sent to source terminal after handling;
C, enter the Business Stream handling process between source terminal and the purpose terminal, the IPv4 service message is sent to NAT-PT under the address pool that comprises its purpose IPv4 address and handles veneer and handle, the IPv6 service message is sent to NAT-PT with its purpose IPv6 address prefix coupling handles veneer and handle.
2. load share method as claimed in claim 1 is characterized in that, described source terminal is the IPv4 terminal, and described purpose terminal is the IPv6 terminal; Perhaps, described source terminal is the IPv6 terminal, and described purpose terminal is the IPv4 terminal.
3. load share method as claimed in claim 2 is characterized in that, for each NAT-PT handles a veneer NAT-PT IPv6 prefix of configuration and an address pool, among the step C service message is carried out NAT-PT simultaneously and handles in the described steps A.
4. load share method as claimed in claim 2, it is characterized in that, be in the described steps A that each NAT-PT handles two NAT-PT IPv6 prefixes of veneer configuration, and its address pool is divided into comprises two parts port numbers and that do not comprise port numbers, corresponding with described two prefixes respectively.
5. as claim 3 or 4 described load share methods, it is characterized in that among the described step B, NAT-PT processing veneer comprises that to the processing of domain name analysis request message and response message thereof NAT-PT handles and domain name mapping is handled.
6. load share method as claimed in claim 4 is characterized in that, among the described step C, for the IPv4 message, if do not comprise port numbers with the address pool of its purpose IPv4 matching addresses, then NAT-PT processing veneer carries out the NAT-PT processing to it, handles otherwise carry out NAPT-PT; For the IPv6 message, if do not comprise port numbers, then it is carried out NAT-PT and handle with the pairing address pool of the prefix of its coupling, handle otherwise carry out NAPT-PT.
7. NAT-PT equipment, it is characterized in that, described equipment comprises that the interface single plate of interconnection and NAT-PT handle veneer, and described interface single plate comprises the interface unit and the decision-making Dispatching Unit of interconnection, and described NAT-PT handles NAT-PT processing unit and the rm-cell that veneer comprises interconnection;
Described interface unit is used for receiving and sending IPv4 and IPv6 message;
Described decision-making Dispatching Unit is used for that the domain name mapping message polling is sent to NAT-PT and handles veneer; Judge with the purpose IPv6 address prefix of service message or the NAT-PT that purpose IPv4 address is complementary and handle veneer, service message is distributed to the NAT-PT that is complementary with it handles veneer;
Described NAT-PT processing unit is used for message is handled;
Described rm-cell is used to manage address pool, port and the NAT-PT IPv6 prefix resource that NAT-PT handles veneer.
8. NAT-PT equipment as claimed in claim 7, it is characterized in that, described NAT-PT processing unit carries out to the domain name mapping message that NAT-PT handles and domain name mapping is handled, and service message is carried out that NAT-PT handles or the NAPT-PT processing according to address pool under the prefix of message or its destination address.
9. NAT-PT equipment as claimed in claim 8 is characterized in that, described NAT-PT handles veneer and also comprises memory cell, is used to store address pool, port and the NAT-PT IPv6 prefix resource that NAT-PT handles veneer.
10. as claim 7,8 or 9 described NAT-PT equipment, it is characterized in that described equipment also comprises chain of command processing unit and routing forwarding engine unit, wherein,
Described chain of command processing unit is used to handle the chain of command order and the message of access arrangement;
Described routing forwarding engine unit is used to finish the routing forwarding of message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710124049.8A CN101150502A (en) | 2007-10-22 | 2007-10-22 | A NAT-PT device and its load share method |
| PCT/CN2007/003648 WO2009052668A1 (en) | 2007-10-22 | 2007-12-18 | A nat-pt device and a load-sharing method for nat-pt device |
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| CN200710124049.8A CN101150502A (en) | 2007-10-22 | 2007-10-22 | A NAT-PT device and its load share method |
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| US7450499B2 (en) * | 2003-02-21 | 2008-11-11 | Samsung Electronics Co., Ltd. | Method and apparatus for interconnecting IPv4 and IPv6 networks |
| KR100531623B1 (en) * | 2003-10-15 | 2005-11-29 | 한국전자통신연구원 | COMMUNICATION METHOD USING MOBILE IPv6 IN NAT-PT ENVIRONMENT AND MEDIUM THEREOF |
| CN101119382A (en) * | 2007-09-06 | 2008-02-06 | 中兴通讯股份有限公司 | Method of mutual communication of IPv4 network and IPv6 network and communication network element system |
| CN101150502A (en) * | 2007-10-22 | 2008-03-26 | 中兴通讯股份有限公司 | A NAT-PT device and its load share method |
-
2007
- 2007-10-22 CN CN200710124049.8A patent/CN101150502A/en active Pending
- 2007-12-18 WO PCT/CN2007/003648 patent/WO2009052668A1/en active Application Filing
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| WO2009052668A1 (en) * | 2007-10-22 | 2009-04-30 | Zte Corporation | A nat-pt device and a load-sharing method for nat-pt device |
| CN101247421B (en) * | 2008-03-28 | 2011-09-07 | 杭州华三通信技术有限公司 | Self-adapting distribution method and system of NAT address pool under distributed structure |
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| CN102572003A (en) * | 2010-12-08 | 2012-07-11 | 中国电信股份有限公司 | Method and system for acquiring and processing multiplexing address and port range |
| CN102572003B (en) * | 2010-12-08 | 2015-01-14 | 中国电信股份有限公司 | Method and system for acquiring and processing multiplexing address and port range |
| CN102739820B (en) * | 2012-06-28 | 2015-06-03 | 杭州华三通信技术有限公司 | Message network address conversion processing method and network equipment |
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| CN104519029B (en) * | 2013-09-30 | 2018-10-02 | 中国电信股份有限公司 | A kind of synchronous method and distributed protocol translation system |
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| CN104954239A (en) * | 2014-03-26 | 2015-09-30 | 中国电信股份有限公司 | CGN broadband access gateway and implementation method thereof |
| CN104954239B (en) * | 2014-03-26 | 2019-04-05 | 中国电信股份有限公司 | A kind of broad access network gate and its implementation of built-in CGN |
| WO2015154504A1 (en) * | 2014-07-03 | 2015-10-15 | 中兴通讯股份有限公司 | Base station, and base station load sharing device and method |
| CN111741039A (en) * | 2019-03-25 | 2020-10-02 | 阿里巴巴集团控股有限公司 | Session request processing method and device and electronic equipment |
| CN111741039B (en) * | 2019-03-25 | 2022-06-03 | 阿里巴巴集团控股有限公司 | Session request processing method and device and electronic equipment |
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