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Locator/identifier separation protocol multi-homing realization method and device

An identification separation protocol and multi-homing technology, applied in the field of network communication, can solve problems such as message sending failure, and achieve the effect of avoiding message sending failure.

Active Publication Date: 2016-08-31
NEW H3C TECH CO LTD
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Problems solved by technology

[0006] The present invention provides a method and device for implementing multi-homing of a location identifier separation protocol, so as to solve the problem that messages may fail to be sent in LISP multi-homing scenarios in the prior art

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  • Locator/identifier separation protocol multi-homing realization method and device
  • Locator/identifier separation protocol multi-homing realization method and device
  • Locator/identifier separation protocol multi-homing realization method and device

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the following describes the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings For further detailed explanation.

[0022] See figure 1 , figure 1 A flow diagram of a multi-homing implementation method for a location identifier separation protocol provided for the implementation of the present invention, as shown in figure 1 As shown, the location identification separation protocol multi-homing implementation method may include the following steps:

[0023] Step 101, establish a communication connection with other multi-homing XTRs in the same multi-homing XTR set.

[0024] In the embodiment of the present invention, the above method can ...

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Abstract

The invention discloses a locator / identifier separation protocol multi-homing realization method and device. The locator / identifier separation protocol multi-homing realization method comprises steps of establishing communication connection between other multi-homing XTRs (Egress / Igress Tunnel Router) in one multi-homing XTR set, synchronizing a state of an EID ( end point identifier) through the communication connection and other multi-homing XTRs, wherein the EID state comprises a reachable state or an unreachable state of a network segment from a an RLOC (Routing Locator) to the EID, determining an RLOC address capable of reaching an EID of an object according to the EID states of various multi-homing XTRs in one multi-homing XTR set when receiving a request message targeting the position of the object EID, and returning an answering message carrying the object RLOC address to a device of a position requesting party. The Locator / identifier separation protocol multi-homing realization method and device can avoid the fact that the message is failed to transmit because of returning the RLOC address of an unreachable object EID to the device of the position requesting party.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a method and device for implementing multi-homing of a location identifier separation protocol. Background technique [0002] LISP (Locator / Identity Separation Protocol, Location Identification Separation Protocol) is a protocol based on the separation of host identification (ID) and location on the network side. The LISP network consists of two parts, the core network and the edge network. Wherein, RLOC (Routing Locator, routing location) is used in the core network to identify the router, and EID (Endpoint Identifiers, terminal identifier) ​​is used in the edge network to identify the terminal. [0003] In the LISP network, a LISP site can be accessed through multiple XTRs (Egress / Ingress TunnelRouter, egress / ingress tunnel routers, collectively referred to as edge devices), and the traffic sent from the LISP site to the external network can be implemente...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L45/74
CPCH04L45/74
Inventor 林长望
Owner NEW H3C TECH CO LTD
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