WO2002028025A3 - Network access mechanism and method - Google Patents

Network access mechanism and method Download PDF

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Publication number
WO2002028025A3
WO2002028025A3 PCT/US2001/042270 US0142270W WO0228025A3 WO 2002028025 A3 WO2002028025 A3 WO 2002028025A3 US 0142270 W US0142270 W US 0142270W WO 0228025 A3 WO0228025 A3 WO 0228025A3
Authority
WO
WIPO (PCT)
Prior art keywords
network
network access
collision
terminals
access mechanism
Prior art date
Application number
PCT/US2001/042270
Other languages
French (fr)
Other versions
WO2002028025A2 (en
Inventor
Wing F Lo
Francois F Blouin
Original Assignee
Nortel Networks Ltd
Wing F Lo
Francois F Blouin
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 Nortel Networks Ltd, Wing F Lo, Francois F Blouin filed Critical Nortel Networks Ltd
Priority to AU2001296894A priority Critical patent/AU2001296894A1/en
Priority to EP01977804A priority patent/EP1325592A2/en
Publication of WO2002028025A2 publication Critical patent/WO2002028025A2/en
Publication of WO2002028025A3 publication Critical patent/WO2002028025A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/407—Bus networks with decentralised control
    • H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection (CSMA-CD)
    • 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
    • H04L47/13—Flow control; Congestion control in a LAN segment, e.g. ring or bus
    • 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
    • H04L47/2416—Real-time traffic
    • 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
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • H04L47/2433—Allocation of priorities to traffic types

Abstract

A communication system (10) includes a network (12) that is coupled to a number of terminals (22, 24, 26, 28, 30), at least some of which are capable of audio or other forms of real-time interactive data communications over the network (12). Each of the terminals (22, 24, 26, 28 and 30) includes a network adapter that is capable of detecting a collision with another terminal on the network (12). If a collision is detected, transmission of a data frame is aborted, and a backoff time delay is selected. The backoff time delay is selected from a group of delay periods that vary less than exponentially with a number of collisions.
PCT/US2001/042270 2000-09-26 2001-09-24 Network access mechanism and method WO2002028025A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001296894A AU2001296894A1 (en) 2000-09-26 2001-09-24 Network access mechanism and method
EP01977804A EP1325592A2 (en) 2000-09-26 2001-09-24 Network access mechanism and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/670,172 US7313105B1 (en) 2000-09-26 2000-09-26 Mechanism and method to select a time delay in response to a collision
US09/670,172 2000-09-26

Publications (2)

Publication Number Publication Date
WO2002028025A2 WO2002028025A2 (en) 2002-04-04
WO2002028025A3 true WO2002028025A3 (en) 2003-03-27

Family

ID=24689288

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/042270 WO2002028025A2 (en) 2000-09-26 2001-09-24 Network access mechanism and method

Country Status (4)

Country Link
US (3) US7313105B1 (en)
EP (1) EP1325592A2 (en)
AU (1) AU2001296894A1 (en)
WO (1) WO2002028025A2 (en)

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Also Published As

Publication number Publication date
US7313105B1 (en) 2007-12-25
EP1325592A2 (en) 2003-07-09
AU2001296894A1 (en) 2002-04-08
US20080107128A1 (en) 2008-05-08
US8259746B2 (en) 2012-09-04
US8045575B2 (en) 2011-10-25
WO2002028025A2 (en) 2002-04-04
US20080089355A1 (en) 2008-04-17

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