Connection establishment method, device and communication system

A technology of connection establishment and connection identifier, which is applied in the field of communication to achieve the effect of improving utilization efficiency

Active Publication Date: 2015-10-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, since the host identification protocol introduces the HIP layer in the protocol stack, the original correspondence between ports and IPs is changed to the corresp

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  • Connection establishment method, device and communication system
  • Connection establishment method, device and communication system
  • Connection establishment method, device and communication system

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] figure 1 is a schematic diagram of a HIP protocol stack in the prior art, such as figure 1 As shown, the bottom layer of the HIP protocol stack is the physical layer, followed by the link layer, the network layer (IPv4 or IPv6), the HIP layer, the transport layer (TCP / UDP) and the application layer.

[0031] In one embodiment of the present invention, on the terminal supporting the HIP protocol, the function of multi-path TCP is introduced, so that the func...

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Abstract

A method for establishing a connection includes: after establishing a first host identity protocol(HIP) association between a first address of a second terminal and a second address of a first terminal, the second terminal saves a first mapping relation among the first address, the second address and the first HIP association; a first transmission control protocol(TCP) connection between the first address and the second address is established, and a first TCP SYN message includes connection identity(CID) information; the second terminal establishes a second HIP association between a third address and a forth address of the second terminal, and saves a second mapping relation among the third address, the forth address and the second HIP association; a second TCP connection between the third address and the forth address is established, and a second TCP SYN message includes CID information which is the same with that of the first TCP SYN message. An apparatus for establishing a connection and a communication system corresponding to the method for establishing a connection are also provided. The multi-access of the terminal in the HIP network can be realized.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a connection establishment method, device and communication system. Background technique [0002] As the mobility of terminals increases, mobility management needs to be implemented on the terminal host. In order to solve the mobility problem of the host, the Internet Engineering Task Force (IETF: Internet Engineering Task Force) proposed a method of separating the identification and positioning functions to solve the mobility, which is also the Host Identity Protocol (HIP: Host Identity Protocol ) starting point. In the HIP protocol, the idea of ​​an asymmetric key encryption algorithm is adopted, and the public key in the key pair is used as the host identity (HI: Host Identity) of the node. Since HI as a public key may be relatively long, it is not very practical to use it in all cases. In actual use, the saved value is the 128-bit hash value of the host ident...

Claims

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Application Information

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IPC IPC(8): H04L12/70
CPCH04L29/12028H04L61/103H04L69/16
Inventor 周伟王岩
Owner HUAWEI TECH CO LTD
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