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An address request method and device

A technology of address request and address, which is applied in the field of communication and can solve problems such as complex address requests

Active Publication Date: 2018-05-11
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, this application provides an address request method and device to solve the problem of complex address request in LISP networking of distributed MSs

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and examples.

[0033] The embodiment of this application provides an address request method, which is applied to any MS in the distributed MS-based LISP network. This application configures different roles for each MS in the distributed MS, and selects an MS to be the master MS. Other MSs are configured as sub-MSs.

[0034] The MR in the LISP network can be independent of each MS, and can also be implemented with one of the MSs (primary MS or sub-MS) through one device, that is, the MR and one of the MSs can be combined.

[0035] Each xTR in the LISP network registers the mapping relationship between the EID address and the RLOC address with the MS to which it belongs, and each sub-MS registers the mapping relationship between the EID configuration i...

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Abstract

The present invention provides an address request method, which includes: when the master MS receives the address request message forwarded by the MR, if it is determined that the EID configuration information to which the destination EID address of the address request message belongs is the EID configuration of the sub-MS information, respond to the MR with the mapping relationship corresponding to the EID configuration information. Based on the same inventive idea, this application also proposes an address request device, which can automatically implement address request in the LISP networking of distributed MSs without adding other protocols.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to an address request method and device. Background technique [0002] The network construction idea of ​​the Locator / Identity Separation Protocol forms two independent address spaces: the Endpoint Identifier (EID) address and the Routing Locator (RLOC) address. EID is the same as the existing realization of the host address of the communication endpoint, and its function in LISP is similar to Domain Name System (Domain Name System, DNS), which has an independent space. In the LISP network, EID can be migrated independently of RLOC. RLOC can be routed and forwarded in the existing Internet, can be routed globally, and can be aggregated according to the network topology. Messages communicated between EIDs are encapsulated in the tunnel between RLOCs for forwarding. [0003] In the distributed Map Server (Map Server, MS) system, MSs are separated, and the Map Request Server (...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/08
Inventor 林长望
Owner NEW H3C TECH CO LTD