CA2329019A1 - Method and apparatus for forwarding packets from a plurality of contending queues to an output - Google Patents

Method and apparatus for forwarding packets from a plurality of contending queues to an output Download PDF

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Publication number
CA2329019A1
CA2329019A1 CA002329019A CA2329019A CA2329019A1 CA 2329019 A1 CA2329019 A1 CA 2329019A1 CA 002329019 A CA002329019 A CA 002329019A CA 2329019 A CA2329019 A CA 2329019A CA 2329019 A1 CA2329019 A1 CA 2329019A1
Authority
CA
Canada
Prior art keywords
output
forwarding packets
queues
contending
contending queues
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002329019A
Other languages
French (fr)
Other versions
CA2329019C (en
Inventor
Deepak J. Aatresh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riverstone Networks Inc
Original Assignee
Cabletron Systems, Inc.
Deepak J. Aatresh
Yago Systems, Inc.
Enterasys Networks, Inc.
Riverstone Networks, Inc.
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 Cabletron Systems, Inc., Deepak J. Aatresh, Yago Systems, Inc., Enterasys Networks, Inc., Riverstone Networks, Inc. filed Critical Cabletron Systems, Inc.
Publication of CA2329019A1 publication Critical patent/CA2329019A1/en
Application granted granted Critical
Publication of CA2329019C publication Critical patent/CA2329019C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H04L47/2458—Modification of priorities while in transit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
    • H04L47/762—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions triggered by the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5651—Priority, marking, classes

Abstract

A method for prioritizing queues (150) wherein output bandwidth is allocated (152), output bandwidth is consumed (154), and unconsumed bandwidth is distributed to the prioritized contending queues (156).
CA002329019A 1998-05-29 1999-05-13 Method and apparatus for forwarding packets from a plurality of contending queues to an output Expired - Fee Related CA2329019C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/087,064 1998-05-29
US09/087,064 US6067301A (en) 1998-05-29 1998-05-29 Method and apparatus for forwarding packets from a plurality of contending queues to an output
PCT/US1999/010592 WO1999063712A1 (en) 1998-05-29 1999-05-13 Method and apparatus for forwarding packets from a plurality of contending queues to an output

Publications (2)

Publication Number Publication Date
CA2329019A1 true CA2329019A1 (en) 1999-12-09
CA2329019C CA2329019C (en) 2003-09-23

Family

ID=22202906

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002329019A Expired - Fee Related CA2329019C (en) 1998-05-29 1999-05-13 Method and apparatus for forwarding packets from a plurality of contending queues to an output

Country Status (6)

Country Link
US (1) US6067301A (en)
EP (1) EP1080560B1 (en)
AU (1) AU746167B2 (en)
CA (1) CA2329019C (en)
DE (1) DE69935587T2 (en)
WO (1) WO1999063712A1 (en)

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Also Published As

Publication number Publication date
AU3988999A (en) 1999-12-20
EP1080560B1 (en) 2007-03-21
EP1080560A1 (en) 2001-03-07
AU746167B2 (en) 2002-04-18
EP1080560A4 (en) 2005-04-06
WO1999063712A1 (en) 1999-12-09
DE69935587D1 (en) 2007-05-03
DE69935587T2 (en) 2007-11-29
CA2329019C (en) 2003-09-23
US6067301A (en) 2000-05-23

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