Performance metric of convergence time of information flooding in multi domain gmpls networks
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Performance Metric of Convergence Time of Information Flooding in Multi- Domain GMPLS Networks. Min Zhang Ding Hui Yongli Zhao Jie Zhang Beijing University of Posts and Telecommunications ( BUPT ). draft-zhangm-ccamp-metric-00. Haiyi Zhang Yunbin Xu

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Performance Metric of Convergence Time of Information Flooding in Multi- Domain GMPLS Networks

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Performance metric of convergence time of information flooding in multi domain gmpls networks

Performance Metric of Convergence Time of Information Flooding in Multi- Domain GMPLS Networks

Min Zhang

Ding Hui

Yongli Zhao

Jie Zhang

Beijing University of Posts and Telecommunications(BUPT)

draft-zhangm-ccamp-metric-00

Haiyi Zhang

Yunbin Xu

China Academy of Telecommunication Research, MIIT, China(CATR)

IETF 79, Beijing

1


Existing rfcs about measurement in gmpls networks

Existing RFCs aboutmeasurement in GMPLS networks

Multi-domain testing is not mentioned

  • Test routing protocol in GMPLS networks

    • RFC5814-signaling protocol

  • Convergence time vs. Setup delay

    • RFC5814-setup delay

  • Convergence of the network

    • RFC4061-single router control plane

2


Motivation of convergence time in multi domain networks

Motivation of Convergence time in multi-domain networks

Network Events

in RFC4062

  • Helpful for network failure detection

    • Link or Neighbor device up

    • Initialization

    • Adjacency down

    • Link down

  • Online monitoring

  • Multi-domain measurement

3


Definitions

Definitions

Time Structure

  • Initial Convergence Time of Information Flooding(CTIF)

  • CTIF with LSPs

  • CTIF in single domain

  • CTIF in multi-domains

CTIF-Convergence Time of Information Flooding

DBD-Database Description

LSU-Link State Update

4


Multi domain scenario

Multi-domain scenario

CTIF-Convergence Time of Information Flooding

Destination

Source

Time structure is stored in every control node.

Discussion

Clock synchronization among all control nodes.

Proper waiting time before the affirmation on completion of resource reservation.

5


Next step

Next Step

Works on test report

Refine it according feedback from the meeting or the mailing list

Comments are always appreciate

6


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