WO2007030917A8 - Packet flow bifurcation and analysis - Google Patents

Packet flow bifurcation and analysis

Info

Publication number
WO2007030917A8
WO2007030917A8 PCT/CA2006/001423 CA2006001423W WO2007030917A8 WO 2007030917 A8 WO2007030917 A8 WO 2007030917A8 CA 2006001423 W CA2006001423 W CA 2006001423W WO 2007030917 A8 WO2007030917 A8 WO 2007030917A8
Authority
WO
WIPO (PCT)
Prior art keywords
traffic
flow
analysis
egress
ingress
Prior art date
Application number
PCT/CA2006/001423
Other languages
French (fr)
Other versions
WO2007030917A1 (en
Inventor
Jonathan Back
Siegfried Johannes Luft
Original Assignee
Zeugma Systems Canada Inc
Jonathan Back
Siegfried Johannes Luft
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 Zeugma Systems Canada Inc, Jonathan Back, Siegfried Johannes Luft filed Critical Zeugma Systems Canada Inc
Priority to CA2620349A priority Critical patent/CA2620349C/en
Priority to EP06790602A priority patent/EP1932312A4/en
Publication of WO2007030917A1 publication Critical patent/WO2007030917A1/en
Publication of WO2007030917A8 publication Critical patent/WO2007030917A8/en

Links

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
    • 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
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
    • 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
    • H04L47/20—Traffic policing
    • 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
    • H04L47/22—Traffic shaping
    • 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
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2441—Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
    • 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
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2475—Traffic characterised by specific attributes, e.g. priority or QoS for supporting traffic characterised by the type of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/355—Application aware switches, e.g. for HTTP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane

Abstract

Methods and apparatus for optimum matching of a traffic profile with an individual traffic flow using flow bifurcation and analysis. Bifurcation and duplication of packets that make up a flow received at an ingress element are forwarded to each of egress traffic and computation processor resources, such that egress traffic operations and traffic analysis operations may be performed concurrently without introducing jitter or delay in either bifurcated processing path. The traffic analysis includes maintaining flow statistics, flow stateful information and classifying the flow as a particular application traffic type. The optimum traffic profile for this application traffic type is then selected and applied to the individual flow. The traffic analysis data is forwarded to ingress and egress processing elements in real time, and ingress and egress traffic processing operations are dynamically adjusted in view of the traffic analysis data.
PCT/CA2006/001423 2005-09-12 2006-08-30 Packet flow bifurcation and analysis WO2007030917A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2620349A CA2620349C (en) 2005-09-12 2006-08-30 Packet flow bifurcation and analysis
EP06790602A EP1932312A4 (en) 2005-09-12 2006-08-30 Packet flow bifurcation and analysis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/224,201 US7508764B2 (en) 2005-09-12 2005-09-12 Packet flow bifurcation and analysis
US11/224,201 2005-09-12

Publications (2)

Publication Number Publication Date
WO2007030917A1 WO2007030917A1 (en) 2007-03-22
WO2007030917A8 true WO2007030917A8 (en) 2007-08-09

Family

ID=37855020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2006/001423 WO2007030917A1 (en) 2005-09-12 2006-08-30 Packet flow bifurcation and analysis

Country Status (4)

Country Link
US (1) US7508764B2 (en)
EP (1) EP1932312A4 (en)
CA (1) CA2620349C (en)
WO (1) WO2007030917A1 (en)

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EP1932312A1 (en) 2008-06-18
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US7508764B2 (en) 2009-03-24
US20070058632A1 (en) 2007-03-15
EP1932312A4 (en) 2011-08-24
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