GB2386274A - Non-BLSR protected layer 2/3 channel provisioning - Google Patents

Non-BLSR protected layer 2/3 channel provisioning

Info

Publication number
GB2386274A
GB2386274A GB0314525A GB0314525A GB2386274A GB 2386274 A GB2386274 A GB 2386274A GB 0314525 A GB0314525 A GB 0314525A GB 0314525 A GB0314525 A GB 0314525A GB 2386274 A GB2386274 A GB 2386274A
Authority
GB
United Kingdom
Prior art keywords
blsr
protected layer
channel
layer
channel provisioning
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
GB0314525A
Other versions
GB0314525D0 (en
GB2386274B (en
Inventor
Siegfried Luft
Gerald Neufeld
David Stiles
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.)
Redback Networks Inc
Original Assignee
Redback Networks Inc
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 Redback Networks Inc filed Critical Redback Networks Inc
Publication of GB0314525D0 publication Critical patent/GB0314525D0/en
Publication of GB2386274A publication Critical patent/GB2386274A/en
Application granted granted Critical
Publication of GB2386274B publication Critical patent/GB2386274B/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
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
    • H04L47/724—Admission control; Resource allocation using reservation actions during connection setup at intermediate nodes, e.g. resource reservation protocol [RSVP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H04J3/085—Intermediate station arrangements, e.g. for branching, for tapping-off for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks
    • 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
    • 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
    • H04L12/437—Ring fault isolation or reconfiguration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/15—Flow control; Congestion control in relation to multipoint traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
    • H04L47/726—Reserving resources in multiple paths to be used simultaneously
    • H04L47/728—Reserving resources in multiple paths to be used simultaneously for backup paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/74—Admission control; Resource allocation measures in reaction to resource unavailability
    • H04L47/746—Reaction triggered by a failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/82—Miscellaneous aspects
    • H04L47/825—Involving tunnels, e.g. MPLS
    • 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
    • H04J2203/0042—Ring
    • 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
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • 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
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery
    • 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
    • H04J2203/0073—Services, e.g. multimedia, GOS, QOS
    • H04J2203/0082—Interaction of SDH with non-ATM protocols
    • 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
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2212/00—Encapsulation of packets

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)

Abstract

A method and apparatus for a non-BLSR protected layer 2/3 channel (323) comprises allocating a segment of bandwidth of an optical ring as a non-bidirectional line switched ring (BLSR) protected layer 2/3 channel (323) and transmitting a set of layer 2/3 time division multiplexed (TDM) traffic (353, 357) on the segment of bandwidth.
GB0314525A 2000-12-30 2001-12-20 Non-BLSR protected layer 2/3 channel provisioning Expired - Fee Related GB2386274B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25876100P 2000-12-30 2000-12-30
US88730201A 2001-06-22 2001-06-22
PCT/US2001/049822 WO2002054633A1 (en) 2000-12-30 2001-12-20 Non-blsr protected layer 2/3 channel provisioning

Publications (3)

Publication Number Publication Date
GB0314525D0 GB0314525D0 (en) 2003-07-30
GB2386274A true GB2386274A (en) 2003-09-10
GB2386274B GB2386274B (en) 2004-07-14

Family

ID=26946857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0314525A Expired - Fee Related GB2386274B (en) 2000-12-30 2001-12-20 Non-BLSR protected layer 2/3 channel provisioning

Country Status (2)

Country Link
GB (1) GB2386274B (en)
WO (1) WO2002054633A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7209436B1 (en) 2000-12-30 2007-04-24 Redback Networks Inc. Method and apparatus for variable rate pipes
US6975589B2 (en) 2000-12-30 2005-12-13 Redback Networks Inc. Method and apparatus for a hybrid variable rate pipe
US7016300B2 (en) 2000-12-30 2006-03-21 Redback Networks Inc. Protection mechanism for an optical ring
CN103036610B (en) * 2012-12-11 2015-08-19 上海交通大学 A kind of system for chain type energy storage communication implementation method with redundancy and system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537393A (en) * 1994-03-17 1996-07-16 Fujitsu Limited BLSR network having path-AIS generation function
US5719858A (en) * 1995-07-31 1998-02-17 Paradyne Corporation Time-division multiple-access method for packet transmission on shared synchronous serial buses
US5933258A (en) * 1995-09-06 1999-08-03 Northern Telecom Optical communication system
US5986783A (en) * 1997-02-10 1999-11-16 Optical Networks, Inc. Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
US6009075A (en) * 1996-03-29 1999-12-28 Dsc Communications Corporation Transport interface for performing protection switching of telecommunications traffic
US6163527A (en) * 1997-04-15 2000-12-19 Alcatel Method and apparatus for an optical bi-directional line switched ring data communications system
US6249510B1 (en) * 1998-09-10 2001-06-19 Lucent Technologies Inc. Signal protection system for bi-direction ring network

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537393A (en) * 1994-03-17 1996-07-16 Fujitsu Limited BLSR network having path-AIS generation function
US5719858A (en) * 1995-07-31 1998-02-17 Paradyne Corporation Time-division multiple-access method for packet transmission on shared synchronous serial buses
US5933258A (en) * 1995-09-06 1999-08-03 Northern Telecom Optical communication system
US6009075A (en) * 1996-03-29 1999-12-28 Dsc Communications Corporation Transport interface for performing protection switching of telecommunications traffic
US5986783A (en) * 1997-02-10 1999-11-16 Optical Networks, Inc. Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
US6163527A (en) * 1997-04-15 2000-12-19 Alcatel Method and apparatus for an optical bi-directional line switched ring data communications system
US6249510B1 (en) * 1998-09-10 2001-06-19 Lucent Technologies Inc. Signal protection system for bi-direction ring network

Also Published As

Publication number Publication date
WO2002054633A1 (en) 2002-07-11
GB0314525D0 (en) 2003-07-30
GB2386274B (en) 2004-07-14

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Legal Events

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

Effective date: 20071220