DE68929095D1 - Virtueller unterverbindungsschalter und seine verwendung in einem vermittlunsnetzwerk - Google Patents

Virtueller unterverbindungsschalter und seine verwendung in einem vermittlunsnetzwerk

Info

Publication number
DE68929095D1
DE68929095D1 DE68929095T DE68929095T DE68929095D1 DE 68929095 D1 DE68929095 D1 DE 68929095D1 DE 68929095 T DE68929095 T DE 68929095T DE 68929095 T DE68929095 T DE 68929095T DE 68929095 D1 DE68929095 D1 DE 68929095D1
Authority
DE
Germany
Prior art keywords
switching network
connector switch
virtual connector
virtual
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
DE68929095T
Other languages
English (en)
Other versions
DE68929095T2 (de
Inventor
Daniel Upp
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.)
Transwitch Corp
Original Assignee
Transwitch Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23084883&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68929095(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Transwitch Corp filed Critical Transwitch Corp
Publication of DE68929095D1 publication Critical patent/DE68929095D1/de
Application granted granted Critical
Publication of DE68929095T2 publication Critical patent/DE68929095T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0623—Synchronous multiplexing systems, e.g. synchronous digital hierarchy/synchronous optical network (SDH/SONET), synchronisation with a pointer process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1611—Synchronous digital hierarchy [SDH] or SONET

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Time-Division Multiplex Systems (AREA)
DE68929095T 1988-12-09 1989-12-05 Virtueller unterverbindungsschalter und seine verwendung in einem vermittlunsnetzwerk Expired - Fee Related DE68929095T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/283,178 US4998242A (en) 1988-12-09 1988-12-09 Virtual tributary cross connect switch and switch network utilizing the same
PCT/US1989/005491 WO1990006660A1 (en) 1988-12-09 1989-12-05 Virtual tributary cross connect switch and switch network utilizing the same

Publications (2)

Publication Number Publication Date
DE68929095D1 true DE68929095D1 (de) 1999-12-09
DE68929095T2 DE68929095T2 (de) 2000-06-08

Family

ID=23084883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68929095T Expired - Fee Related DE68929095T2 (de) 1988-12-09 1989-12-05 Virtueller unterverbindungsschalter und seine verwendung in einem vermittlunsnetzwerk

Country Status (7)

Country Link
US (1) US4998242A (de)
EP (1) EP0447461B1 (de)
JP (1) JPH04502389A (de)
AU (1) AU4804290A (de)
CA (1) CA2004840C (de)
DE (1) DE68929095T2 (de)
WO (1) WO1990006660A1 (de)

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JP2723699B2 (ja) * 1991-07-31 1998-03-09 日本電気株式会社 Ｔｕ−３ポインター付替処理方式
JP2571655B2 (ja) * 1991-11-27 1997-01-16 インターナショナル・ビジネス・マシーンズ・コーポレイション プロトコル変換機構、交換ネットワーク及びコンピュータ・システム
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FI95854C (fi) 1992-04-23 1996-03-25 Nokia Telecommunications Oy Menetelmä sekä digitaalinen ristikytkentäarkkitehtuuri SDH-signaalien ristikytkentää varten
US5872780A (en) * 1992-05-21 1999-02-16 Alcatel Network Systems, Inc. Sonet data transfer protocol between facility interfaces and cross-connect
FI91698C (fi) * 1992-07-01 1994-07-25 Nokia Telecommunications Oy Menetelmä synkronisessa digitaalisessa tietoliikennejärjestelmässä käytettävän signaalin vastaanottamiseksi
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US5345441A (en) * 1992-10-20 1994-09-06 At&T Bell Laboratories Hierarchical path hunt for multirate connections
US5351236A (en) * 1992-10-20 1994-09-27 At&T Bell Laboratories Multirate, sonet-ready, switching arrangement
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US5784377A (en) * 1993-03-09 1998-07-21 Hubbell Incorporated Integrated digital loop carrier system with virtual tributary mapper circuit
GB9400057D0 (en) * 1994-01-05 1994-03-02 Plessey Telecomm Telecommunications system
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US5923653A (en) * 1995-04-21 1999-07-13 Tektronix, Inc. SONET/SDH receiver processor
US5828670A (en) * 1995-06-06 1998-10-27 Symmetricom, Inc. Distribution of synchronization in a synchronous optical environment
US5638379A (en) * 1995-06-06 1997-06-10 Symmetricom, Inc. Encoding system for distribution of synchronization
US5535219A (en) * 1995-06-14 1996-07-09 National Semiconductor Corp. Sonet/SDH pointer calculation circuit
KR0151908B1 (ko) * 1995-12-21 1998-11-02 양승택 동기식 디지틀 회선분배 장치
KR0161759B1 (ko) * 1995-12-23 1998-12-01 양승택 종속 유니트(tu) 신호의 교차연결장치
KR0168922B1 (ko) * 1995-12-26 1999-02-01 양승택 다수의 특정용도 집적회로를 구비한 시스템에서의 장애 위치 탐색 장치
US5808920A (en) * 1996-03-19 1998-09-15 Digital Lightwave, Inc. Communications line test apparatus with an improved graphical user interface
US5974052A (en) * 1996-05-10 1999-10-26 U.S.T.N. Services Frame relay access device and method for transporting SS7 information between signaling points
US6456596B2 (en) 1996-07-23 2002-09-24 Marconi Communications Limited Synchronous transmission systems
IL134615A (en) 1998-06-19 2004-03-28 Juniper Networks Inc Quality of service facility in a device for performing ip forwarding and atm switching
JP2000106565A (ja) * 1998-07-31 2000-04-11 Nec Eng Ltd バス接続拡張方式におけるネットワーク同期および無瞬断クロック切替方式
US6587470B1 (en) 1999-03-22 2003-07-01 Cisco Technology, Inc. Flexible cross-connect with data plane
US6865181B1 (en) 1999-03-22 2005-03-08 Cisco Technology, Inc. Method and apparatus for routing telecommunications signals
US7924706B1 (en) 1999-03-22 2011-04-12 Cisco Technology, Inc. Method and apparatus for controlling the operation of a flexible cross-connect system
US7002986B1 (en) * 1999-07-08 2006-02-21 Nortel Networks Limited Mapping arbitrary signals into SONET
US6356550B1 (en) * 1999-07-30 2002-03-12 Mayan Networks Corporation Flexible time division multiplexed bus using sonet formatting
IL131461A0 (en) * 1999-08-18 2001-01-28 Eci Telecom Ltd Inter-chip port and method for supporting high rate data streams in sdh and sonet transport networks
US6847644B1 (en) 2000-02-23 2005-01-25 Cypress Semiconductor Corp. Hybrid data transport scheme over optical networks
US6999479B1 (en) 2000-02-23 2006-02-14 Cypress Semiconductor Corp. Hybrid data transport scheme over optical networks
US6778561B1 (en) 2000-02-23 2004-08-17 Cypress Semiconductor Corp. Hybrid data transport scheme over optical networks
US7006525B1 (en) * 2000-02-23 2006-02-28 Cypress Semiconductor Corp. Hybrid data transport scheme over optical networks
US6771663B1 (en) 2000-02-23 2004-08-03 Cypress Semiconductor Corp. Hybrid data transport scheme over optical networks
US6973084B1 (en) 2000-02-23 2005-12-06 Cypress Semiconductor Corp. Hybrid data transport scheme over optical networks
US6920113B1 (en) 2000-03-28 2005-07-19 Telsima Inc. Transport of iscochronous and bursty data on a sonet ring
US7085293B2 (en) * 2000-03-28 2006-08-01 Telsima Inc. Scaleable transport of TDM channels in a synchronous frame
US7161944B1 (en) * 2000-05-31 2007-01-09 Cisco Technology, Inc. Method and system for optimized routing and protection of VT traffic in SONET networks
US20050135259A1 (en) * 2000-06-05 2005-06-23 Sami Yazdi Hand-held electronic tester for telecommunications networks
US7035204B1 (en) 2000-07-26 2006-04-25 Cicso Technology, Inc. Method and apparatus for rerouting telecommunications signals
US6804731B1 (en) * 2000-08-11 2004-10-12 Paion Company, Limited System, method and article of manufacture for storing an incoming datagram in switch matrix in a switch fabric chipset system
US6731631B1 (en) * 2000-08-11 2004-05-04 Paion Company, Limited System, method and article of manufacture for updating a switching table in a switch fabric chipset system
US6724759B1 (en) 2000-08-11 2004-04-20 Paion Company, Limited System, method and article of manufacture for transferring a packet from a port controller to a switch fabric in a switch fabric chipset system
US7054310B1 (en) * 2000-09-14 2006-05-30 Ciena Corporation Methods and apparatuses for providing multiple services from any slot in a SONET system having multiple slots
US20020059408A1 (en) * 2000-11-02 2002-05-16 Krishna Pattabhiraman Dynamic traffic management on a shared medium
DE10064988A1 (de) * 2000-12-23 2002-06-27 Alcatel Sa Netzwerkeinrichtung und Verfahren zur Laufzeitkompensation von Datenpaketen
US7227844B1 (en) * 2001-02-21 2007-06-05 Cisco Technology, Inc. Non-standard concatenation mapping for payloads
US20020194363A1 (en) * 2001-06-14 2002-12-19 Cypress Semiconductor Corp. Programmable protocol processing engine for network packet devices
US20020191621A1 (en) * 2001-06-14 2002-12-19 Cypress Semiconductor Corp. Programmable protocol processing engine for network packet devices
US20030048813A1 (en) * 2001-09-05 2003-03-13 Optix Networks Inc. Method for mapping and multiplexing constant bit rate signals into an optical transport network frame
US20040076166A1 (en) * 2002-10-21 2004-04-22 Patenaude Jean-Marc Guy Multi-service packet network interface
US7567581B2 (en) * 2002-10-21 2009-07-28 Broadcom Corporation Multi-service channelized SONET mapper framer
US7733900B2 (en) * 2002-10-21 2010-06-08 Broadcom Corporation Multi-service ethernet-over-sonet silicon platform
EP1414173B1 (de) * 2002-10-23 2012-08-01 Broadcom Corporation Sonetrahmen für verschiedene kanalisierte Dienste
US7177328B2 (en) * 2002-11-27 2007-02-13 Transwitch Corporation Cross-connect switch for synchronous network
US7492760B1 (en) 2003-03-31 2009-02-17 Pmc-Sierra, Inc. Memory egress self selection architecture
US7430202B2 (en) * 2003-08-06 2008-09-30 Lsi Corporation System and method of tributary time-space switching
US7042913B2 (en) * 2003-09-30 2006-05-09 Nortel Networks Limited Method and system for writing data to memory elements
US7352780B1 (en) * 2004-12-30 2008-04-01 Ciena Corporation Signaling byte resiliency
US8064467B2 (en) * 2005-02-04 2011-11-22 Level 3 Communications, Llc Systems and methods for network routing in a multiple backbone network architecture
CA2595788C (en) * 2005-02-04 2013-06-25 Level 3 Communications, Inc. Ethernet-based systems and methods for improved network routing
US9426092B2 (en) * 2006-02-03 2016-08-23 Level 3 Communications Llc System and method for switching traffic through a network

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US4719624A (en) * 1986-05-16 1988-01-12 Bell Communications Research, Inc. Multilevel multiplexing
US4855999A (en) * 1987-11-10 1989-08-08 Bell Communications Research, Inc. DTDM multiplexer with cross-point switch

Also Published As

Publication number Publication date
CA2004840C (en) 1996-07-02
WO1990006660A1 (en) 1990-06-14
JPH04502389A (ja) 1992-04-23
US4998242A (en) 1991-03-05
EP0447461B1 (de) 1999-11-03
CA2004840A1 (en) 1990-06-09
EP0447461A4 (en) 1993-04-07
EP0447461A1 (de) 1991-09-25
DE68929095T2 (de) 2000-06-08
AU4804290A (en) 1990-06-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee