HK128296A - Communication systems - Google Patents

Communication systems

Info

Publication number
HK128296A
HK128296A HK128296A HK128296A HK128296A HK 128296 A HK128296 A HK 128296A HK 128296 A HK128296 A HK 128296A HK 128296 A HK128296 A HK 128296A HK 128296 A HK128296 A HK 128296A
Authority
HK
Hong Kong
Prior art keywords
stations
station
ring
message blocks
blocks
Prior art date
Application number
HK128296A
Other languages
English (en)
Inventor
John Leonard Adams
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of HK128296A publication Critical patent/HK128296A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • 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]
    • H04L12/42—Loop networks
    • H04L12/427—Loop networks with decentralised control
    • H04L12/43—Loop networks with decentralised control with synchronous transmission, e.g. time division multiplex [TDM], slotted rings
HK128296A 1986-07-24 1996-07-18 Communication systems HK128296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868618118A GB8618118D0 (en) 1986-07-24 1986-07-24 Communications system

Publications (1)

Publication Number Publication Date
HK128296A true HK128296A (en) 1996-07-26

Family

ID=10601646

Family Applications (1)

Application Number Title Priority Date Filing Date
HK128296A HK128296A (en) 1986-07-24 1996-07-18 Communication systems

Country Status (10)

Country Link
US (1) US5008663A (xx)
EP (1) EP0256681B1 (xx)
JP (1) JPH07110010B2 (xx)
AT (1) ATE72717T1 (xx)
CA (1) CA1287673C (xx)
DE (1) DE3776736D1 (xx)
ES (1) ES2031130T3 (xx)
GB (1) GB8618118D0 (xx)
GR (1) GR3003912T3 (xx)
HK (1) HK128296A (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8807050D0 (en) * 1988-03-24 1988-04-27 British Telecomm Communication system
FR2669488B1 (fr) * 1990-11-15 1993-01-08 Cit Alcatel Methode de transmission d'information de controle pour liaison de transmission de cellules a multiplexage temporel asynchrone.
FR2674394B1 (fr) * 1991-03-22 1993-09-17 Bull Sa Station appartenant a un reseau de communication en forme d'anneau.
CA2077027C (en) * 1991-08-28 1998-09-29 Tsutomu Tanaka Packet communications network and communications method
EP0549506A3 (en) * 1991-12-23 1995-04-12 Ibm Dual ring fault isolation
US5479613A (en) * 1992-08-05 1995-12-26 International Business Machines Corporation Real-time ring bandwidth utilization calculator, calculating bandwidth utilization based on occurrences of first and second predetermined bit patterns
US5631935A (en) * 1993-05-06 1997-05-20 Run-Rad Unlimited Networking, Ltd. Method and apparatus for governing information transfer using an efficient transport protocol
US5467352A (en) * 1994-02-07 1995-11-14 International Business Machines Corporation Method and apparatus for improved throughput in a multi-node communication system with a shared resource
US5544163A (en) * 1994-03-08 1996-08-06 Excel, Inc. Expandable telecommunications system
US6477143B1 (en) 1998-01-25 2002-11-05 Dror Ginossar Method and apparatus for packet network congestion avoidance and control
US6381647B1 (en) 1998-09-28 2002-04-30 Raytheon Company Method and system for scheduling network communication
US6317415B1 (en) 1998-09-28 2001-11-13 Raytheon Company Method and system for communicating information in a network
US6266702B1 (en) 1998-09-28 2001-07-24 Raytheon Company Method and apparatus to insert and extract data from a plurality of slots of data frames by using access table to identify network nodes and their slots for insertion and extraction data
AU761958B2 (en) * 1999-05-11 2003-06-12 British Telecommunications Public Limited Company Optical communications network
US7899066B2 (en) * 2001-01-25 2011-03-01 Alcatel Lucent Distributed intelligence MAC protocols for DWDM ring networks

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680056A (en) * 1970-10-08 1972-07-25 Bell Telephone Labor Inc Use equalization on closed loop message block transmission systems
US4199661A (en) * 1978-05-05 1980-04-22 Control Data Corporation Method and apparatus for eliminating conflicts on a communication channel
US4383315A (en) * 1981-07-20 1983-05-10 Bell Telephone Laboratories, Incorporated Idle time slot seizure and transmission facilities for loop communication system
US4412326A (en) * 1981-10-23 1983-10-25 Bell Telephone Laboratories, Inc. Collision avoiding system, apparatus and protocol for a multiple access digital communications system including variable length packets
US4459588A (en) * 1982-03-05 1984-07-10 Burroughs Corporation Timed token protocol for local area networks
US4404557A (en) * 1982-03-05 1983-09-13 Burroughs Corporation Timed token ring with multiple priorities
IT1157035B (it) * 1982-06-09 1987-02-11 Cselt Centro Studi Lab Telecom Sistema di raccolta e commutazione a banda variabile per voci e dati
CA1219091A (en) * 1983-01-10 1987-03-10 Ulrich Killat Method of and arrangement for controlling access to a time-division multiplex message transmission path
US4507777A (en) * 1983-02-03 1985-03-26 International Business Machines Corporation Protocol for determining physical order of active stations on a token ring
DE3304823A1 (de) * 1983-02-11 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Verfahren fuer eine fernmelde-, insbesondere fernsprechnebenstellenanlage mit einem datenuebertragungsleitungssystem, insbesondere mit einem optischen datenuebertragungsleitungssystem
US4587651A (en) * 1983-05-04 1986-05-06 Cxc Corporation Distributed variable bandwidth switch for voice, data, and image communications
US4566097A (en) * 1983-12-23 1986-01-21 International Business Machines Corp. Token ring with secondary transmit opportunities
US4556972A (en) * 1983-12-27 1985-12-03 At&T Bell Laboratories Arrangement for routing data packets through a circuit switch
US4663748A (en) * 1984-04-12 1987-05-05 Unisearch Limited Local area network
US4566098A (en) * 1984-05-14 1986-01-21 Northern Telecom Limited Control mechanism for a ring communication system
GB8417910D0 (en) * 1984-07-13 1984-08-15 British Telecomm Communications network
GB2166320B (en) * 1984-10-25 1988-10-12 Stc Plc Packet switching system
GB8518133D0 (en) * 1985-07-18 1985-08-21 British Telecomm Communications network

Also Published As

Publication number Publication date
US5008663A (en) 1991-04-16
CA1287673C (en) 1991-08-13
DE3776736D1 (de) 1992-03-26
JPS6342248A (ja) 1988-02-23
GR3003912T3 (xx) 1993-03-16
JPH07110010B2 (ja) 1995-11-22
AU597088B2 (en) 1990-05-24
ATE72717T1 (de) 1992-03-15
AU7604787A (en) 1988-01-28
EP0256681B1 (en) 1992-02-19
ES2031130T3 (es) 1992-12-01
GB8618118D0 (en) 1986-09-03
EP0256681A1 (en) 1988-02-24

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040720