CN101938413A - Method for transition from traditional internet to universal identifier network - Google Patents
Method for transition from traditional internet to universal identifier network Download PDFInfo
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Abstract
The invention discloses a method for transition from the traditional internet to a universal identifier network, which allows users of the traditional internet to communicate with users of a universal identifier network without upgrading by introducing an expansion access switched router Ex-ASR. When the users of the traditional network communicate with those of the universal identifier network, a data packet is sent to an expansion access switched router, and an access identifier and an IP address in the data packet are replaced by a switched routing identifier to be transmitted in a core network of the universal identifier network; and for the access switched router of an opposite terminal, the switched routing identifier is replaced by the access identifier and the IP address to send a message to a target node. The invention provides a method to solve the problem of intercommunication between the traditional internet and the universal identifier network, so that the users of the traditional internet can operate normally and independently without suffering from any influence of the universal network; and the method is favorable for the further development of the universal identifier network.
Description
Technical field
The present invention relates to computer network field, relate to a kind of by the method for traditional the Internet to integrated marked network transition.
Background technology
Along with science and technology development, information has become the enormous motivation that propels the society forward now, information network plays decisive role in the development of various countries' economy and society, service integrations such as voice, data and image are got up to transmit, realize the rapid interchange and the resource-sharing of multi-service information, have great importance.Yet the original design thought of existing information network is the decoupling zero pattern that a kind of network supports a kind of main service basically, and evolution on this basis and development are difficult to break through the limitation of original design thought, can't satisfy the diversity demand of network and service.For example, telecommunications network is originally towards speech business transmission design, and it can provide carrier-class symmetry traffic quality, but is difficult to support broadband streaming media business etc.; The Internet was the professional transmission design of data-oriented originally, its transmission rate is high and can carry out the interconnection of heterogeneous network, but it can not guarantee the reliability transmitted, can not support voice, video etc. is to the exigent business of real-time, and is difficult to the mobility and the fail safe of support terminal.
Integrated marked network is a kind of a kind of network system framework towards Next Generation Internet, when effectively guaranteeing mobility and fail safe, has solved the integration of heterogeneous network.Support to switch fast, have good route extensibility, but be a kind of new generation network framework of controlled pipe.But,,, become a problem demanding prompt solution therefore by the transition method of legacy network to integrated marked network because the structural difference of traditional the Internet and integrated marked network is bigger.
In good transition scheme need guarantee for a long time, existing legacy network can independently normally use.Under and the situation of depositing long-term at two kinds of networks, can proper communication between two kinds of networks.And existing network need not the existence of the integrated marked network of perception, need not any modification and just can communicate with integrated marked network.Good transition scheme should be simple as far as possible, and the user who takes the lead in disposing integrated marked network can obtain the benefit of incentive.
Summary of the invention
Problem to be solved by this invention is: propose a kind of effective and feasible transit mechanism, when guaranteeing that original legacy network can have normal independent the use, making can proper communication between integrated marked network and the legacy network.And the main frame disposing integrated marked network can obtain the benefit that integrated marked network brings.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of by the transition method of traditional the Internet to integrated marked network, introduced expansion and inserted the interface equipment of switch router Ex-ASR as integrated marked network and traditional the Internet, be deployed in the edge that integrated marked network core net links to each other with traditional the Internet, be responsible for handling and transmit mutual data packets for transmission between traditional the Internet and integrated marked network; Ex-ASR learns the route entry in traditional the Internet, the Access Network diffusion in integrated network; And study inserts the sign prefix, to the diffusion of traditional the Internet; Insert the edge that switch router ASR is deployed in integrated network Access Network and core net, Ex-ASR and ASR are when transmitting data, and whether the form of judgment data bag is legal, abandons the illegal packet of form;
This method comprises:
1) client host utilizes the main frame in the 4th edition integrated marked network of IPv4 access to netwoks of Internet protocol, and packet inserts switch router Ex-ASR by the expansion that legacy network is forwarded to integrated marked network;
2) during the main frame of the integrated marked network of the host access inside in traditional the Internet, at the Ex-ASR place, whether the source and destination of judgment data bag is AID, the IP address is during as source or purpose, IP is used as the address legal access identification process, if the source and destination of packet is AID, then transmit, abandon the incorrect invalid data bag of form, and the purpose in the packet is inserted sign AID replace with exchange Route Distinguisher RID, the IP address that the source is 32 replaces with 128 RID, transmits in the core net of integrated marked network; The method of replacing is to add one 96 expansion prefix before 32 IP address, makes it to expand to 128;
3) during the main frame of the integrated marked network of the host access inside in traditional the Internet, when packet is transferred to the ASR of its opposite end destination host in integrated marked network internal core net, whether the source and destination of ASR judgment data bag is RID, if the source and destination of packet is RID, then transmit, abandon the incorrect invalid data bag of form, RID replaces with AID with purpose, source RID replaces with 32 IP addresses, the method of replacing is 96 expansion prefixes removing among the RID, keep back 32, send to destination node;
4) during the main frame in the host access of the integrated marked network inside tradition the Internet, packet is sent to the access switch router ASR of main frame place Access Network in the integrated network, whether the source and destination of judgment data bag is AID, the IP address is during as source or purpose, IP is used as the address legal access identification process, if the source and destination of packet is AID, then transmit, abandon the incorrect invalid data bag of form, purpose IP address in the packet replaces with 128 RID, the method of replacing is to add one 96 expansion prefix before 32 IP address, makes it to expand to 128; Source AID replaces with RID, transmits in integrated marked network core net;
5) during the main frame in the host access of the integrated marked network inside tradition the Internet, when packet is sent to Ex-ASR in integrated marked network core net, whether the source and destination of judgment data bag is RID, if the source and destination of packet is RID, then transmit, abandon the incorrect invalid data bag of form, the purpose RID in the packet replaces with 32 IP addresses, the method of replacing is 96 expansion prefixes removing among the RID, keeps back 32; Source RID replaces with AID, sends to destination node.
Described AID supports elongated form, a main frame can have a plurality of AID in the integrated marked network, this main frame can use the AID of 32 compatible IPv4 forms simultaneously, communicates with traditional the Internet, uses the AID of another form and the main frame of integrated marked network inside to communicate.
The length of described RID is 128, does not support elongated.
It is IP address in AID, RID or the legacy network that described Ex-ASR, ASR can come the source of judgment data bag and purpose according to the flag bit in the map information database of self.
Beneficial effect of the present invention is: the invention provides a kind ofly from the transition method of legacy network to integrated marked network transition, its beneficial effect is as follows:
1, integrated marked network core network will can not be subjected to not disposing the attack of traditional the Internet of integrated marked network.Because all data at integrated marked network core network node all can be judged as invalid data by Ex-ASR and abandon;
2, integrated marked network core network can not be subjected to the attack of access network.This is owing to the strictness of having adopted access network and core network in the integrated marked network is isolated, and inserts sign and the separate mapping mechanism that exchanges Route Distinguisher;
3, because the route and the various unsettled dynamic behaviour of access network are isolated in outside the core network by strictness,, the route scaling problem of all integrated marked network core networks solves but can obtaining part;
4, integrated marked network core network can provide based on network mobile management for the user.Integrated like this marked network core network just can obtain the various benefits of based on network mobile management mechanism;
5, owing to adopt the separate mapping mechanism that inserts sign and exchange Route Distinguisher, user's location privacy has obtained protection in the integrated marked network;
6, owing to added unified expansion prefix before the IP address, the router in core net will send to EX-ASR with packet according to this prefix so.Integrated marked network core net router can be learnt the routing iinformation in traditional the Internet.
Description of drawings:
Fig. 1 tradition the Internet sends the example of data to integrated marked network;
The integrated marked network of Fig. 2 sends the example of data to traditional the Internet;
ASR core network interface processing data packets flow process in Fig. 3 transition method;
ASR access network interface data bag handling process in Fig. 4 transition method
Embodiment:
Shown in Fig. 3,4, the access network interface that inserts switch router (ASR) at first judges according to identity property whether source and destination all is to insert sign after receiving user data, if source or purpose are not to insert sign then be judged as invalid data to abandon.In the core network interface of ASR, at first judge that according to identity property whether source and destination all is the exchange Route Distinguisher, if source or purpose are not the exchange Route Distinguisher, also can be regarded as invalid data and abandon.
In the method for integrated marked network transition, because the source of packet or purpose sign might be the IP addresses of traditional the Internet, and the IP address may be judged as the access sign.At the access network interface that inserts switch router, the IP address is judged as inserts sign, and then packet can normally be transmitted; When the source of packet or purpose sign were judged as the IP address of learning from traditional the Internet, the IP address all can be taken as normal access sign and handle, and has so just guaranteed interconnecting of integrated marked network and traditional the Internet.
Embodiment one:
Be arranged in the example of user node when the user node of integrated marked network sends data of traditional the Internet, as shown in Figure 1.
In Fig. 1, the process of transmitting of packet is:
1) host B that is arranged in traditional the Internet is when the host A that is positioned at integrated marked network access network sends data, and the source of packet is 32 IP address ips of host B
B, purpose is the access sign AID of host A
A(the IP address of host A is thought in traditional the Internet);
2) when packet arrived Ex-ASR, whether the judgment data bag was legal, abandons illegal packet.If packet is legal, the IP address of host B is replaced by 128 exchange Route Distinguisher RID of host B
B(RID
BThe IP address that is host B adds one 96 expansion prefix), the access sign AID of host A
ABe replaced by the exchange Route Distinguisher RID of host A
A
3) after packet arrived the core net access switch router that host A inserted, whether the judgment data bag was legal, abandons illegal packet.If packet is legal, the exchange Route Distinguisher RID of host B
BBe replaced by host B and insert sign AID
B(AID
BBe RID
BRemove the expansion prefix, i.e. 32 of host B IP address ips
B), the exchange Route Distinguisher RID of host A
ABe replaced the access sign AID of host A
A
4) after packet enters the access network at host A place, be forwarded to host A.
Embodiment two:
By traditional the Internet in the transition method of integrated marked network, the user node that is arranged in integrated marked network sends an example of data to traditional internet node, as shown in Figure 2.
In Fig. 2, the process of transmitting of packet is:
1) host A that is arranged in access network is when the host B of traditional the Internet sends data, and the source of packet is the access sign AID of host A
A, purpose is the access sign AID of host B
B(be the IP address ip of host B
B);
2) after packet arrived the core net access switch router that host A inserted, whether the judgment data bag was legal, abandons illegal packet.The access sign AID of host A
ABe replaced by the exchange Route Distinguisher RID of host A
A, host B inserts sign AID
BBe replaced by the exchange Route Distinguisher RID of host B
B(RID
BThe IP address that is host B adds one 96 expansion prefix);
3) when packet arrived Ex-ASR, whether the judgment data bag was legal, abandons illegal packet.The exchange Route Distinguisher RID of host B
BBe replaced by host B and insert sign AID
B(AID
BBe that RIDB removes the expansion prefix, i.e. 32 of host B IP address ips
B), the exchange Route Distinguisher RID of host A
ABe replaced the access sign AID of host A
A
4) after packet enters traditional the Internet, be transmitted to host B according to traditional routing mode.
Claims (4)
1. one kind by the transition method of traditional the Internet to integrated marked network, it is characterized in that: introduced expansion and inserted the interface equipment of switch router Ex-ASR as integrated marked network and traditional the Internet, be deployed in the edge that integrated marked network core net links to each other with traditional the Internet, be responsible for handling and transmit mutual data packets for transmission between traditional the Internet and integrated marked network; Ex-ASR learns the route entry in traditional the Internet, the Access Network diffusion in integrated network; And study inserts the sign prefix, to the diffusion of traditional the Internet; Insert the edge that switch router ASR is deployed in integrated network Access Network and core net, Ex-ASR and ASR are when transmitting data, and whether the form of judgment data bag is legal, abandons the illegal packet of form;
This method comprises:
1) client host utilizes the main frame in the 4th edition integrated marked network of IPv4 access to netwoks of Internet protocol, and packet inserts switch router Ex-ASR by the expansion that legacy network is forwarded to integrated marked network;
2) during the main frame of the integrated marked network of the host access inside in traditional the Internet, at the Ex-ASR place, whether the source and destination of judgment data bag is AID, the IP address is during as source or purpose, IP is used as the address legal access identification process, if the source and destination of packet is AID, then transmit, abandon the incorrect invalid data bag of form, and the purpose in the packet is inserted sign AID replace with exchange Route Distinguisher RID, the IP address that the source is 32 replaces with 128 RID, transmits in the core net of integrated marked network; The method of replacing is to add one 96 expansion prefix before 32 IP address, makes it to expand to 128;
3) during the main frame of the integrated marked network of the host access inside in traditional the Internet, when packet is transferred to the ASR of its opposite end destination host in integrated marked network internal core net, whether the source and destination of ASR judgment data bag is RID, if the source and destination of packet is RID, then transmit, abandon the incorrect invalid data bag of form, RID replaces with AID with purpose, source RID replaces with 32 IP addresses, the method of replacing is 96 expansion prefixes removing among the RID, keep back 32, send to destination node;
4) during the main frame in the host access of the integrated marked network inside tradition the Internet, packet is sent to the access switch router ASR of main frame place Access Network in the integrated network, whether the source and destination of judgment data bag is AID, the IP address is during as source or purpose, IP is used as the address legal access identification process, if the source and destination of packet is AID, then transmit, abandon the incorrect invalid data bag of form, purpose IP address in the packet replaces with 128 RID, the method of replacing is to add one 96 expansion prefix before 32 IP address, makes it to expand to 128; Source AID replaces with RID, transmits in integrated marked network core net;
5) during the main frame in the host access of the integrated marked network inside tradition the Internet, when packet is sent to Ex-ASR in integrated marked network core net, whether the source and destination of judgment data bag is RID, if the source and destination of packet is RID, then transmit, abandon the incorrect invalid data bag of form, the purpose RID in the packet replaces with 32 IP addresses, the method of replacing is 96 expansion prefixes removing among the RID, keeps back 32; Source RID replaces with AID, sends to destination node.
2. the transition method of network according to claim 1, it is characterized in that: described AID supports elongated form, a main frame can have a plurality of AID in the integrated marked network, this main frame can use the AID of 32 compatible IPv4 forms simultaneously, communicate with traditional the Internet, use the AID of another form and the main frame of integrated marked network inside to communicate.
3. the transition method of network according to claim 1, it is characterized in that: the length of described RID is 128, does not support elongated.
4. the transition method of network according to claim 1 is characterized in that: it is IP address in AID, RID or the legacy network that Ex-ASR, ASR can come the source of judgment data bag and purpose according to the flag bit in the map information database of self.
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| CN2010102648966A CN101938413B (en) | 2010-08-26 | 2010-08-26 | Method for transition from traditional internet to universal identifier network |
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| CN2010102648966A CN101938413B (en) | 2010-08-26 | 2010-08-26 | Method for transition from traditional internet to universal identifier network |
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| CN101938413A true CN101938413A (en) | 2011-01-05 |
| CN101938413B CN101938413B (en) | 2012-02-22 |
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| CN102148765A (en) * | 2011-05-10 | 2011-08-10 | 北京交通大学 | Method for realizing interconnection of integrated identification network and traditional IPv4 (Internet Protocol Version 4) internet |
| CN102201950A (en) * | 2011-06-07 | 2011-09-28 | 北京交通大学 | Method for testing routing performance of core network of integrated identification network |
| CN102333125A (en) * | 2011-10-11 | 2012-01-25 | 北京交通大学 | Access-identifier-based network application realization method for integrated network |
| CN102684972A (en) * | 2011-03-07 | 2012-09-19 | 中兴通讯股份有限公司 | Communication method and communication system compatible with IP (internet protocol)v4 address |
| CN102685258A (en) * | 2011-03-08 | 2012-09-19 | 中兴通讯股份有限公司 | Distribution method and system for user identity in identity and position separation network |
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| WO2012130128A1 (en) * | 2011-04-01 | 2012-10-04 | 中兴通讯股份有限公司 | Method, device, and system for implementing network identifier conversion |
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| CN102685258A (en) * | 2011-03-08 | 2012-09-19 | 中兴通讯股份有限公司 | Distribution method and system for user identity in identity and position separation network |
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| WO2012130128A1 (en) * | 2011-04-01 | 2012-10-04 | 中兴通讯股份有限公司 | Method, device, and system for implementing network identifier conversion |
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| CN102984701A (en) * | 2011-09-07 | 2013-03-20 | 中兴通讯股份有限公司 | Identity net incremental deployment method and access point |
| CN103036758A (en) * | 2011-10-10 | 2013-04-10 | 中兴通讯股份有限公司 | Method of interconnection and interworking between identifying net and traditional network, access service router (ASR) and interworking service router (ISR) |
| CN102333125B (en) * | 2011-10-11 | 2013-10-23 | 北京交通大学 | Access-identifier-based network application realization method for integrated network |
| CN102333125A (en) * | 2011-10-11 | 2012-01-25 | 北京交通大学 | Access-identifier-based network application realization method for integrated network |
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| CN110138748A (en) * | 2019-04-23 | 2019-08-16 | 北京交通大学 | A kind of network integration communication means, gateway and system |
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