GB2311180B - Switch architecture - Google Patents

Switch architecture

Info

Publication number
GB2311180B
GB2311180B GB9605298A GB9605298A GB2311180B GB 2311180 B GB2311180 B GB 2311180B GB 9605298 A GB9605298 A GB 9605298A GB 9605298 A GB9605298 A GB 9605298A GB 2311180 B GB2311180 B GB 2311180B
Authority
GB
United Kingdom
Prior art keywords
switch architecture
architecture
switch
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
GB9605298A
Other versions
GB2311180A (en
GB9605298D0 (en
Inventor
R Spagnoletti
Terry Bricheno
James Wilson Parker
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 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to GB9605298A priority Critical patent/GB2311180B/en
Publication of GB9605298D0 publication Critical patent/GB9605298D0/en
Priority to PCT/GB1997/000607 priority patent/WO1997034428A2/en
Publication of GB2311180A publication Critical patent/GB2311180A/en
Application granted granted Critical
Publication of GB2311180B publication Critical patent/GB2311180B/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
    • H04L49/15—Interconnection of switching modules
    • H04L49/1553—Interconnection of ATM switching modules, e.g. ATM switching fabrics
    • H04L49/1592—Perfect Shuffle
    • 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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • 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
    • H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
    • H04L2012/5681—Buffer or queue management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0015—Construction using splitting combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0039—Electrical control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0049—Crosstalk reduction; Noise; Power budget
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0052—Interconnection of switches
GB9605298A 1996-03-13 1996-03-13 Switch architecture Expired - Fee Related GB2311180B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9605298A GB2311180B (en) 1996-03-13 1996-03-13 Switch architecture
PCT/GB1997/000607 WO1997034428A2 (en) 1996-03-13 1997-03-06 Optical switch architecture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9605298A GB2311180B (en) 1996-03-13 1996-03-13 Switch architecture

Publications (3)

Publication Number Publication Date
GB9605298D0 GB9605298D0 (en) 1996-05-15
GB2311180A GB2311180A (en) 1997-09-17
GB2311180B true GB2311180B (en) 2000-03-22

Family

ID=10790329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9605298A Expired - Fee Related GB2311180B (en) 1996-03-13 1996-03-13 Switch architecture

Country Status (2)

Country Link
GB (1) GB2311180B (en)
WO (1) WO1997034428A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10756821B2 (en) * 2016-12-28 2020-08-25 Calix, Inc. Methods and apparatus for improving reliability of an optical device using auxiliary lasers in a photonic integrated circuit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0282228A1 (en) * 1987-03-04 1988-09-14 BRITISH TELECOMMUNICATIONS public limited company Improvements relating to pipeline sort matrices
GB2230630A (en) * 1989-02-24 1990-10-24 British Telecomm Optical interconnect network
EP0397372A1 (en) * 1989-05-08 1990-11-14 AT&T Corp. Network topology for reduced blocking and photonic system implementation thereof
GB2289813A (en) * 1994-05-26 1995-11-29 Northern Telecom Ltd Switched optical interconnect
JPH07318737A (en) * 1994-05-27 1995-12-08 Oki Electric Ind Co Ltd Optical network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150703B (en) * 1983-11-30 1987-03-11 Standard Telephones Cables Ltd Single mode fibre directional coupler
US4856863A (en) * 1988-06-22 1989-08-15 Texas Instruments Incorporated Optical fiber interconnection network including spatial light modulator
WO1996000920A1 (en) * 1994-06-30 1996-01-11 The Whitaker Corporation Optoelectronic package and bidirectional optical transceiver for use therein
US5475679A (en) * 1994-12-08 1995-12-12 Northern Telecom Limited Large capacity ATM switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0282228A1 (en) * 1987-03-04 1988-09-14 BRITISH TELECOMMUNICATIONS public limited company Improvements relating to pipeline sort matrices
GB2230630A (en) * 1989-02-24 1990-10-24 British Telecomm Optical interconnect network
EP0397372A1 (en) * 1989-05-08 1990-11-14 AT&T Corp. Network topology for reduced blocking and photonic system implementation thereof
GB2289813A (en) * 1994-05-26 1995-11-29 Northern Telecom Ltd Switched optical interconnect
JPH07318737A (en) * 1994-05-27 1995-12-08 Oki Electric Ind Co Ltd Optical network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10756821B2 (en) * 2016-12-28 2020-08-25 Calix, Inc. Methods and apparatus for improving reliability of an optical device using auxiliary lasers in a photonic integrated circuit

Also Published As

Publication number Publication date
WO1997034428A3 (en) 1997-11-06
WO1997034428A2 (en) 1997-09-18
GB2311180A (en) 1997-09-17
GB9605298D0 (en) 1996-05-15

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Legal Events

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

Effective date: 20000622