CA2204172A1 - Large capacity atm switch - Google Patents

Large capacity atm switch

Info

Publication number
CA2204172A1
CA2204172A1 CA002204172A CA2204172A CA2204172A1 CA 2204172 A1 CA2204172 A1 CA 2204172A1 CA 002204172 A CA002204172 A CA 002204172A CA 2204172 A CA2204172 A CA 2204172A CA 2204172 A1 CA2204172 A1 CA 2204172A1
Authority
CA
Canada
Prior art keywords
large capacity
space switch
core
atm switch
sent
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
CA002204172A
Other languages
French (fr)
Other versions
CA2204172C (en
Inventor
Ernst August Munter
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Limited
Bell-Northern Research Ltd.
Nortel Networks Corporation
Ernst August Munter
Nortel Networks Limited
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 Northern Telecom Limited, Bell-Northern Research Ltd., Nortel Networks Corporation, Ernst August Munter, Nortel Networks Limited filed Critical Northern Telecom Limited
Publication of CA2204172A1 publication Critical patent/CA2204172A1/en
Application granted granted Critical
Publication of CA2204172C publication Critical patent/CA2204172C/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/104—Asynchronous transfer mode [ATM] switching fabrics
    • H04L49/105—ATM switching elements
    • H04L49/106—ATM switching elements using space switching, e.g. crossbar or matrix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H04L49/255—Control mechanisms for ATM switching fabrics
    • 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
    • H04L49/3081—ATM peripheral units, e.g. policing, insertion or extraction
    • H04L49/309—Header conversion, routing tables or routing tags
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/45—Arrangements for providing or supporting expansion
    • H04L49/455—Provisions for supporting expansion in ATM switches
    • 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
    • H04L2012/5603—Access techniques
    • H04L2012/5604—Medium of transmission, e.g. fibre, cable, radio
    • H04L2012/5605—Fibre
    • 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
    • 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
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling
    • 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

Abstract

A large capacity ATM switch (10) includes a space switch core (16) connecting input buffer modules (12) and output buffer modules (14) by way of high speed links (34). Upon request from an input buffer module, the space switch core sets up a connection to a desired output module. Data are sent in a burst consisting of a train of ATM cells of any arbitrary number. As the data are sent in trains of more than one ATM cell, the connection control (32) of the core can be made to operate at a much slower speed. Electro-optical arrangements of the space switch core (Figure 8) are described as embodiments.
CA002204172A 1994-12-08 1995-03-29 Large capacity atm switch Expired - Fee Related CA2204172C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/352,405 US5475679A (en) 1994-12-08 1994-12-08 Large capacity ATM switch
US08/352,405 1994-12-08
PCT/CA1995/000184 WO1996018278A1 (en) 1994-12-08 1995-03-29 Large capacity atm switch

Publications (2)

Publication Number Publication Date
CA2204172A1 true CA2204172A1 (en) 1996-06-13
CA2204172C CA2204172C (en) 2001-08-14

Family

ID=23384999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002204172A Expired - Fee Related CA2204172C (en) 1994-12-08 1995-03-29 Large capacity atm switch

Country Status (6)

Country Link
US (1) US5475679A (en)
EP (1) EP0796546B1 (en)
JP (1) JP2923693B2 (en)
CA (1) CA2204172C (en)
DE (1) DE69520229T2 (en)
WO (1) WO1996018278A1 (en)

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Also Published As

Publication number Publication date
JP2923693B2 (en) 1999-07-26
WO1996018278A1 (en) 1996-06-13
EP0796546B1 (en) 2001-02-28
DE69520229D1 (en) 2001-04-05
DE69520229T2 (en) 2001-06-28
EP0796546A1 (en) 1997-09-24
JPH10511820A (en) 1998-11-10
CA2204172C (en) 2001-08-14
US5475679A (en) 1995-12-12

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