Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for checking up phantom lines in multiple hops through simulation of phantom line from edge to edge

A pseudowire simulation and multi-hop pseudowire technology, which is applied in the field of telecommunications, can solve the problems of pseudowire diagnosis that cannot be simulated by edge-to-edge pseudowires with multiple hops, and achieve the effect of convenient and fast positioning

Inactive Publication Date: 2006-12-06
HUAWEI TECH CO LTD
View PDF0 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] An object of the present invention is to provide a kind of inspection method of edge-to-edge pseudowire simulation multi-hop pseudowire, to overcome the defects in the prior art that the user cannot diagnose the edge-to-edge pseudowire simulation multi-hop pseudowire

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for checking up phantom lines in multiple hops through simulation of phantom line from edge to edge
  • Method for checking up phantom lines in multiple hops through simulation of phantom line from edge to edge
  • Method for checking up phantom lines in multiple hops through simulation of phantom line from edge to edge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the present invention is described in further detail:

[0053] In order to prevent the PING message from oscillating back and forth on the PW, the present invention uses the difference in port numbers to terminate the forwarding of the PING message. The present invention has two port numbers, one is the source port number, and the other is the destination port number. The source port number is used to send packets, and the destination port number is a well-known port number. The processing flow is attached image 3 As shown, when a PE node receives a pseudowire PING message, it first decodes the PING message, and then the node judges whether it needs to continue forwarding the message or print the PING result. If the port number receiving the PING message is the source port number, then the message is terminated and the PING result is printed; if the port number receiving the PIN...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The method can solve the problem existed in currently-used approach, which is on intermediate node there is no option for user to decide whether or not sending PING message to a control plane. It uses label to determine the PW (pseudo wire), and uses different port number to stop the switching of PING message. Users can decide if the PINF message is sent to the control plane from intermediate node by using Control-Word way or LABEL-ALERT way. When PW fails, the LABEL-ALERT way can easily locate the failure node.

Description

technical field [0001] The invention relates to the technical field of telecommunication, in particular to an edge-to-edge pseudowire simulation multi-hop pseudowire inspection method. Background technique [0002] PWE3 (Pseudo Wire Emulation Edge-to-Edge, edge-to-edge pseudowire emulation) is an important feature that can simulate telecommunications communication services (such as T1 leased lines, FR, etc.) on PSN (Packet Switching Network, packet switching network) technical mechanism. In this technology, CE1 and CE2 (Customer Edge, customer edge device) are connected to PE1 and PE2 (Provider Edge, provider edge device) respectively, and PE1 and PE2 provide one or more PW (Pseudo Wire, pseudo-wire) for CE1 and CE2. line), so that CE1 and CE2 can communicate on the PSN. [0003] The main function of PW is to encapsulate cells, PDU (Protocol Data Unit, protocol data unit) or the inbound port of specific service bit stream, and carry the encapsulated PING message through IP...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04L12/56H04L45/28
Inventor 赵磊陈霞熊怡
Owner HUAWEI TECH CO LTD