HK142396A - Hybrid data communications system - Google Patents

Hybrid data communications system

Info

Publication number
HK142396A
HK142396A HK142396A HK142396A HK142396A HK 142396 A HK142396 A HK 142396A HK 142396 A HK142396 A HK 142396A HK 142396 A HK142396 A HK 142396A HK 142396 A HK142396 A HK 142396A
Authority
HK
Hong Kong
Prior art keywords
line
contention
bus
data
synchronous
Prior art date
Application number
HK142396A
Other languages
English (en)
Inventor
Alan Clark
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 HK142396A publication Critical patent/HK142396A/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
    • H04L12/6418—Hybrid transport
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0028—Local loop
    • H04J2203/0039—Topology
    • H04J2203/0044—Bus, e.g. DQDB
    • 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
    • H04L2012/5609—Topology
    • H04L2012/5613—Bus (including DQDB)
    • 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
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6432—Topology
    • H04L2012/6435—Bus
    • 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
    • H04L12/6418—Hybrid transport
    • H04L2012/6445—Admission control
    • H04L2012/6448—Medium Access Control [MAC]
    • 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
    • H04L12/6418—Hybrid transport
    • H04L2012/6464—Priority
HK142396A 1989-06-02 1996-08-01 Hybrid data communications system HK142396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898912768A GB8912768D0 (en) 1989-06-02 1989-06-02 Hybrid data communication system

Publications (1)

Publication Number Publication Date
HK142396A true HK142396A (en) 1996-08-09

Family

ID=10657809

Family Applications (1)

Application Number Title Priority Date Filing Date
HK142396A HK142396A (en) 1989-06-02 1996-08-01 Hybrid data communications system

Country Status (7)

Country Link
EP (1) EP0474698B1 (de)
JP (1) JPH0716201B2 (de)
AT (1) ATE127301T1 (de)
DE (1) DE69022050T2 (de)
GB (1) GB8912768D0 (de)
HK (1) HK142396A (de)
WO (1) WO1990015493A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664775B1 (fr) * 1990-07-10 1992-09-18 Alcatel Business Systems Systeme de communication numerique pour installation telephonique a integration de services.
ZA931077B (en) * 1992-03-05 1994-01-04 Qualcomm Inc Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system
GB2266033B (en) * 1992-03-09 1995-07-12 Racal Datacom Ltd Communications bus and controller
DE4304187B4 (de) * 1993-02-12 2005-11-10 Tenovis Gmbh & Co. Kg Verfahren zur Beschleunigung des Zugriffswettbewerbs für an ein Bussystem angeschlossene Stationen in Kommunikations-Vermittlungsanlagen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593282A (en) * 1983-04-14 1986-06-03 At&T Information Systems Inc. Network protocol for integrating synchronous and asynchronous traffic on a common serial data bus
GB2166320B (en) * 1984-10-25 1988-10-12 Stc Plc Packet switching system

Also Published As

Publication number Publication date
EP0474698A1 (de) 1992-03-18
WO1990015493A1 (en) 1990-12-13
JPH0716201B2 (ja) 1995-02-22
ATE127301T1 (de) 1995-09-15
EP0474698B1 (de) 1995-08-30
DE69022050T2 (de) 1996-02-01
DE69022050D1 (de) 1995-10-05
GB8912768D0 (en) 1989-07-19
JPH04505993A (ja) 1992-10-15

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Legal Events

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