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Efficient performance monitoring using ipv6 capabilities

A performance, destination technology, applied in the field of performance monitoring, can solve the problem of not providing a single data stream network performance, etc.

Inactive Publication Date: 2009-10-28
LUCENT TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The maintenance tools discussed above are useful for monitoring overall network performance or overall performance at individual routers in the network, but do not provide means for monitoring network performance of individual data flows

Method used

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  • Efficient performance monitoring using ipv6 capabilities
  • Efficient performance monitoring using ipv6 capabilities
  • Efficient performance monitoring using ipv6 capabilities

Examples

Experimental program
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Embodiment Construction

[0017] The present invention provides a process for improving the monitoring and maintenance of IPv6 network by utilizing the feature of IPv6 hop-by-hop extended header. FIG. 1 shows a simple data network 100 . Source client 105 sends packets to destination client 115 by utilizing routers 110a-d. Source client 105 addresses the data packet with a destination address, which is the network address of destination client 115 . Router 110a receives the packet and checks the destination address. After determining that it is not the final destination of the data packet, router 110a forwards the packet to router 110b. The process continues through routers 110c and 110d until the packet reaches destination client 115 .

[0018] Clients 120a-d are also operatively connected to network 100, and may also send data packets throughout the network. These additional data streams may cause any individual router 110a-d to be busy receiving packets originating from source client 105 . This ...

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PUM

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Abstract

The present invention provides a method for obtaining and reporting performance information on node-to-node data transfers, i.e., network hops, based on integrated capabilities in Internet Protocol version 6 (IPv6), specifically extension headers. The performance of a (real-time) data flow is monitored between a source-destination pair by inserting specific information in an extension header of select data packets in the data flow. By initiating an extension header at a source client, and updating the extension header at any intermediate nodes along the source-destination path, a destination node can produce a detailed set of statistics relating to the current performance level of select nodes in a network based upon the reported data in the extension header. Additionally, data flow performance can be monitored on any desired network path or segment independent of particular flows on those paths.

Description

technical field [0001] The present invention relates to performance monitoring in packet-based networks, in particular IP-based packet networks. Background technique [0002] Over the past decade, computer networks have grown massively in both size and execution capabilities. Although the network elements supporting these networks, such as routers, switches, etc. have also increased proportionally in capacity, they are still vulnerable to occasional congestion and resulting performance degradation caused by temporary overloading in which network elements The load on it significantly exceeds its capacity. [0003] One response to the deteriorating performance of network elements has been the development of Quality of Service (QoS) monitoring applications. These applications are used to monitor network performance and diagnose problems such as node congestion, packet delay, or broken links in the network. This type of monitoring application can be considered as a small part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
CPCH04L12/66H04L47/724H04L69/22
Inventor R·纳加拉简S·P·帕雷克K·M·佩格
Owner LUCENT TECH INC