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Method and device for service deployment in rsvp-te dynamic tunnel

A technology for RSVP-TE and service configuration, which is applied in the field of service deployment in RSVP-TE dynamic tunnels to avoid mutual interference and provide flexible service deployment mechanisms.

Active Publication Date: 2017-09-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the method of configuring services only at the head node in the prior art cannot meet the service requirements

Method used

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  • Method and device for service deployment in rsvp-te dynamic tunnel
  • Method and device for service deployment in rsvp-te dynamic tunnel
  • Method and device for service deployment in rsvp-te dynamic tunnel

Examples

Experimental program
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Embodiment Construction

[0028] In order to realize the local tunnel management entity on the middle and end nodes of the tunnel, the concepts of access tunnel and signaling tunnel are introduced.

[0029] The signaling tunnel is the tunnel entity of the existing RSVP-TE dynamic tunnel on the head node. The main significance of the existence of the signaling tunnel is to trigger the signaling creation of the RSVP-TE dynamic tunnel, and to deploy some services based on the entire tunnel, such as deploying traffic engineering for rapid rerouting (TE-FRR), bandwidth, etc.

[0030] The access tunnel is a tunnel entity set up to meet the needs of deploying related services on the middle and tail nodes of the RSVP-TE dynamic tunnel. The access tunnel itself will not trigger the creation of signaling, and is only used for some service deployments related to intermediate and tail nodes, such as TP-OAM detection and traffic import.

[0031] In the present invention, the intermediate and tail nodes are also re...

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PUM

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Abstract

The invention discloses a method for service deployment in an RSVP‑TE dynamic tunnel, in which an access tunnel associated with a remote signaling tunnel is configured on a non-head node; service configuration is performed on the access tunnel; the present invention At the same time, it also discloses a device for deploying services in RSVP‑TE dynamic tunnels. Through the scheme of the present invention, the requirements for deploying services at non-head nodes can be met, and the mechanism for deploying services is flexible and convenient; moreover, the access Type tunnels and remote signaling tunnels are divided into tunnel identification sections to ensure that they are completely independent in configuration and avoid mutual interference between the two tunnels in terms of management and business.

Description

technical field [0001] The present invention relates to a resource reservation protocol (RSVP-TE, Resource ReSerVation Protocol-Traffic Engineering) dynamic tunnel (Tunnel) technology based on traffic engineering extension, in particular to a method and device for service deployment in the RSVP-TE dynamic tunnel. Background technique [0002] In a conventional RSVP-TE dynamic tunnel, usually only the head node of the tunnel has a relevant tunnel entity for service configuration, but there is no tunnel entity for service configuration at the intermediate node and tail node of the tunnel. On these non-head nodes, there are only some live state blocks dynamically generated by Resource Reservation Protocol (RSVP) signaling, such as Path State Block (PSB, Path Sate Block), Reserved State Block (RSB, Reservation State Block )Wait. Due to this feature, many services of the RSVP-TE dynamic tunnel can only be configured on the head node. [0003] However, there are currently some b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L29/06H04L47/724
CPCH04L45/00
Inventor 鲍晓杨帆蒋维廉
Owner ZTE CORP
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