GB2343344B - Communication switch including input throttling to reduce output congestion - Google Patents

Communication switch including input throttling to reduce output congestion

Info

Publication number
GB2343344B
GB2343344B GB9918930A GB9918930A GB2343344B GB 2343344 B GB2343344 B GB 2343344B GB 9918930 A GB9918930 A GB 9918930A GB 9918930 A GB9918930 A GB 9918930A GB 2343344 B GB2343344 B GB 2343344B
Authority
GB
United Kingdom
Prior art keywords
including input
switch including
communication switch
reduce output
output congestion
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.)
Expired - Fee Related
Application number
GB9918930A
Other versions
GB2343344A (en
GB9918930D0 (en
Inventor
Justin Alexand Drummond-Murray
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.)
3Com Technologies Ltd
Original Assignee
3Com Technologies Ltd
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 3Com Technologies Ltd filed Critical 3Com Technologies Ltd
Publication of GB9918930D0 publication Critical patent/GB9918930D0/en
Publication of GB2343344A publication Critical patent/GB2343344A/en
Application granted granted Critical
Publication of GB2343344B publication Critical patent/GB2343344B/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
    • H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
    • 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
    • H04L47/29—Flow control; Congestion control using a combination of thresholds
    • 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
    • H04L47/30—Flow control; Congestion control in combination with information about buffer occupancy at either end or at transit nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/50—Overload detection or protection within a single switching element
    • H04L49/501—Overload detection
    • H04L49/503—Policing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/50—Overload detection or protection within a single switching element
    • H04L49/505—Corrective measures
    • H04L49/508—Head of Line Blocking Avoidance
    • 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
    • H04L2012/5629—Admission control
    • H04L2012/5631—Resource management and allocation
    • H04L2012/5632—Bandwidth allocation
    • H04L2012/5635—Backpressure, e.g. for ABR
    • 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
    • H04L2012/5629—Admission control
    • H04L2012/5631—Resource management and allocation
    • H04L2012/5636—Monitoring or policing, e.g. compliance with allocated rate, corrective actions
    • H04L2012/5637—Leaky Buckets
    • 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
    • H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
    • H04L2012/5681—Buffer or queue management
    • H04L2012/5683—Buffer or queue management for avoiding head of line blocking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H04L49/3009—Header conversion, routing tables or routing tags

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB9918930A 1998-10-28 1999-08-12 Communication switch including input throttling to reduce output congestion Expired - Fee Related GB2343344B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9823489.1A GB9823489D0 (en) 1998-10-28 1998-10-28 Communication switch including input bandwidth throttling to reduce output congestion

Publications (3)

Publication Number Publication Date
GB9918930D0 GB9918930D0 (en) 1999-10-13
GB2343344A GB2343344A (en) 2000-05-03
GB2343344B true GB2343344B (en) 2000-08-09

Family

ID=10841370

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9823489.1A Ceased GB9823489D0 (en) 1998-10-28 1998-10-28 Communication switch including input bandwidth throttling to reduce output congestion
GB9918930A Expired - Fee Related GB2343344B (en) 1998-10-28 1999-08-12 Communication switch including input throttling to reduce output congestion

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9823489.1A Ceased GB9823489D0 (en) 1998-10-28 1998-10-28 Communication switch including input bandwidth throttling to reduce output congestion

Country Status (1)

Country Link
GB (2) GB9823489D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6856595B1 (en) 2000-05-19 2005-02-15 Mosaid Technologies, Inc. Method and apparatus for providing input back pressure in an output buffered switch
US7286547B2 (en) 2002-05-09 2007-10-23 Broadcom Corporation Dynamic adjust multicast drop threshold to provide fair handling between multicast and unicast frames
GB2396447A (en) * 2002-12-21 2004-06-23 Robert Clive Roust Data flow processing technique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014266A1 (en) * 1992-12-15 1994-06-23 Telefonaktiebolaget Lm Ericsson Flow control system for packet switches
GB2281005A (en) * 1993-06-21 1995-02-15 Plessey Telecomm Network management to avoid congestion
WO1995015637A1 (en) * 1993-11-30 1995-06-08 Nokia Telecommunications Oy Control of overload situations in frame relay network
WO1999000949A1 (en) * 1997-06-30 1999-01-07 Sun Microsystems, Inc. A system and method for a quality of service in a multi-layer network element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014266A1 (en) * 1992-12-15 1994-06-23 Telefonaktiebolaget Lm Ericsson Flow control system for packet switches
GB2281005A (en) * 1993-06-21 1995-02-15 Plessey Telecomm Network management to avoid congestion
WO1995015637A1 (en) * 1993-11-30 1995-06-08 Nokia Telecommunications Oy Control of overload situations in frame relay network
WO1999000949A1 (en) * 1997-06-30 1999-01-07 Sun Microsystems, Inc. A system and method for a quality of service in a multi-layer network element

Also Published As

Publication number Publication date
GB9823489D0 (en) 1998-12-23
GB2343344A (en) 2000-05-03
GB9918930D0 (en) 1999-10-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060812