Method and system for improving use efficiency of mapping routing table
A mapping relationship and routing technology, applied in the field of communication, can solve the problems of performance limitations such as host agent node forwarding, etc., and achieve the effect of improving service quality, reducing delay and disorder, and improving forwarding ability
Active Publication Date: 2012-07-04
昆山创智汇知识产权运营有限公司
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When there are many communication peers, the forwarding performance of the host agent node is limited
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[0064] A group of fixed terminals host11, host12 and host13 are connected to the same mapping encapsulation execution node ASR1. The identities corresponding to host11, host12, and host13 are AID11, AID12, and AID13, respectively. The mapping server assigns the same prefix to this group of fixed terminals, which uniquely identifies the group of fixed terminals, and any other terminals not belonging to this group do not have the characteristics of this prefix. The mapping server assigns the same location identifier RID to this group of fixed terminals. Through the registration process, the mapping server saves the corresponding relationship between the identity prefix and the location identifier of the group of fixed terminals. Another group of terminals host21 and host22 access another mapping encapsulation execution node ASR2. Terminal host21 communicates with host11, and terminal host22 communicates with host12.
[0065] host21 initiates data communication to host11, and ...
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The invention discloses a method and a system for improving the use efficiency of a mapping routing table. The method comprises the following steps: a mapping and packaging execution node is called a group fixed terminal by aiming at a fixed terminal accessed into the same mapping and packaging execution node in a fixed mode in a maintained mapping routing table to record the mapping relationship of a prefix and a position identification; when the mapping and packaging execution node forwards a message, the prefix of a target identity identification and the corresponding position identification are looked up according to the target identity identification in the message; and the message is forwarded to a position indicated by the target position identification. In the method of the invention, the converge characteristic of a fixed access terminal network topology is considered, therefore, the scale of the mapping routing table is effectively reduced, the forwarding capability of the mapping and packaging execution node is improved, the hit counts of a table entry of the mapping routing table is improved so that the efficiency is improved, the signaling load of a network is reduced, the delay and the disorder in a data forwarding process are reduced, and the service quality of the network can be better improved.
Description
technical field [0001] The invention relates to the field of communication technology, in particular to a method and system for improving the efficiency of using a mapping routing table. Background technique [0002] The IP address in the TCP / IP protocol widely used in the existing Internet has dual functions, it is not only used as the position identification of the communication terminal host network interface in the network layer in the network topology, but also as the identity identification of the transport layer host network interface. At the beginning of the TCP / IP protocol design, the movement of the host was not considered. However, when the host mobile becomes more and more common, the semantic overload defect of this IP address becomes more and more obvious. When the IP address of the host changes, not only the route will change, but also the identity of the communication terminal host will change, which will lead to an increasingly heavy routing load, and the c...
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IPC IPC(8): H04L12/56H04L29/06H04L29/12H04W8/02H04L45/748
CPCH04L45/54
Inventor 吴强黄兵符涛
Owner 昆山创智汇知识产权运营有限公司