WO2005052739A3 - Fabric congestion management - Google Patents

Fabric congestion management Download PDF

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Publication number
WO2005052739A3
WO2005052739A3 PCT/US2004/038729 US2004038729W WO2005052739A3 WO 2005052739 A3 WO2005052739 A3 WO 2005052739A3 US 2004038729 W US2004038729 W US 2004038729W WO 2005052739 A3 WO2005052739 A3 WO 2005052739A3
Authority
WO
WIPO (PCT)
Prior art keywords
congestion
port
fabric
statistics
switch
Prior art date
Application number
PCT/US2004/038729
Other languages
French (fr)
Other versions
WO2005052739A2 (en
Inventor
Gary R Flauaus
Byron Harris
Byron Jacquot
Original Assignee
Mcdata Corp
Gary R Flauaus
Byron Harris
Byron Jacquot
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mcdata Corp, Gary R Flauaus, Byron Harris, Byron Jacquot filed Critical Mcdata Corp
Priority to EP04811442A priority Critical patent/EP1697814A4/en
Priority to AU2004294124A priority patent/AU2004294124A1/en
Publication of WO2005052739A2 publication Critical patent/WO2005052739A2/en
Publication of WO2005052739A3 publication Critical patent/WO2005052739A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/085—Retrieval of network configuration; Tracking network configuration history
    • H04L41/0853—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0894—Policy-based network configuration management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/11—Identifying congestion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/02—Capturing of monitoring data
    • H04L43/022—Capturing of monitoring data by sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/04—Processing captured monitoring data, e.g. for logfile generation
    • H04L43/045—Processing captured monitoring data, e.g. for logfile generation for graphical visualisation of monitoring data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0876—Network utilisation, e.g. volume of load or congestion level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0876—Network utilisation, e.g. volume of load or congestion level
    • H04L43/0882—Utilisation of link capacity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0876—Network utilisation, e.g. volume of load or congestion level
    • H04L43/0894—Packet rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/16—Threshold monitoring

Abstract

A system for detecting, monitoring, reporting, and managing congestion in a fafcric at the port and fabric levels (Figure 1). The system includes multi-port switches in the fabric with port controllers that collect port traffic statistics (Figure 1, elements 112, 120, and 130). A congestion analysis module in the switch periodically gathers port statistics and processes the statistics to identify backpressure :ongestion, resource limited congestion, and over-subscription congestion at the ports. A port activity database is maintained at the switch with an entry for each port and contains counters for the types of congestion. The counters for ports that are identified as Ongested are incremented to reflect the detected congestion. The system includes a management platform that periodically requests copies of the port congestion data from the switches in the fabric. The switch data is aggregated to determine fabric congestion includin the con estion level and type for each port and congestion sources.
PCT/US2004/038729 2003-11-19 2004-11-18 Fabric congestion management WO2005052739A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04811442A EP1697814A4 (en) 2003-11-19 2004-11-18 Fabric congestion management
AU2004294124A AU2004294124A1 (en) 2003-11-19 2004-11-18 Fabric congestion management

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/716,858 2003-11-19
US10/716,858 US20050108444A1 (en) 2003-11-19 2003-11-19 Method of detecting and monitoring fabric congestion

Publications (2)

Publication Number Publication Date
WO2005052739A2 WO2005052739A2 (en) 2005-06-09
WO2005052739A3 true WO2005052739A3 (en) 2007-12-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/038729 WO2005052739A2 (en) 2003-11-19 2004-11-18 Fabric congestion management

Country Status (4)

Country Link
US (1) US20050108444A1 (en)
EP (1) EP1697814A4 (en)
AU (1) AU2004294124A1 (en)
WO (1) WO2005052739A2 (en)

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