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A method of providing hip-based mobility services to hip nodes

A mobility and node technology, applied in transmission systems, electrical components, etc.

Inactive Publication Date: 2014-10-29
OPTIS WIRELESS TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The robustness of the RVS system is also an issue in the current solution

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  • A method of providing hip-based mobility services to hip nodes
  • A method of providing hip-based mobility services to hip nodes
  • A method of providing hip-based mobility services to hip nodes

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Embodiment Construction

[0020] Abbreviations used in the discussion below include:

[0021] DNS - Domain Name System

[0022] HIP - Host Identification Protocol

[0023] IETF - Internet Engineering Task Force

[0024] RVS - Rendezvous Server

[0025] WG - Working Group

[0026] A hierarchical and robust RVS architecture is proposed here. Registration information is shared between RVSs that are close to each other from a network perspective. All of these RVSs can be used to locate a mobile HIP node, not just the one with which the HIP node is registered. In addition, information identifying the RVS that knows the location of the mobile HIP node is shared with one or more RVSs at higher levels in the RVS hierarchy. These higher level RVSs do not know the actual current location of the HIP node, ie its contact (IP) address, but are able to identify the RVS with this information. If the RVS does not know the target host for the I1 group (initiator 1's group), send the I1 group up the RVS hierarchy...

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Abstract

A method of configuring a plurality of rendezvous servers to provide a Host Identity Protocol, HIP, based mobility service to HIP nodes, where the servers are arranged in a hierarchical branching structure. For each HIP node, a Host Identity Tag, HIT, and contact address mapping is registered with a rendezvous server. That server then identifies itself and the HIT to each higher level server within the same branch, without explicitly identifying the contact address to those higher level servers wherein, in use, when a first rendezvous server receives a HIP contact message addressed to a given HIT, if that first server is unaware of the destination HIT, it forwards the message to a higher level server within the same branch and if the first server is not the server at which the HIT is registered but is aware of the HIT, it forwards the contact message to the neighbouring rendezvous server corresponding to the HIT.

Description

technical field [0001] The invention relates to the reachability of mobile HIP nodes in an IP network using a collective server. Background technique [0002] In the IETF's Host Identification Protocol (HIP) [1] working group there is a draft [2] on the rendezvous server (RVS) function. The RVS is used as a fixed anchor point from which mobile HIP nodes can be reached. A HIP node registered at the RVS informs the RVS of a locator by means of which the HIP node is reachable. In this way, a HIP node that wants to contact a mobile HIP node can always reach it with an RVS that has the latest locator information about the mobile HIP node. [0003] In order to be able to use RVS to locate another HIP node, the HIP node initiating the connection needs to know the RVS's locator. The current proposal is to find the IP address of the RVS in DNS together with the identity of the mobile HIP node. However, this requires updating information at the DNS for each HIP node that wants to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/12
CPCH04L29/12066H04L29/12103H04L61/1511H04L67/04H04L61/1535H04L61/4535H04L61/4511H04L61/45H04L45/04
Inventor 简·梅伦P·萨尔梅拉P·约克拉R·沃皮翁佩拉
Owner OPTIS WIRELESS TECH LLC
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