USRE41079E1 - Manual adjacencies alternate routing - Google Patents
Manual adjacencies alternate routing Download PDFInfo
- Publication number
- USRE41079E1 USRE41079E1 US10/644,216 US64421603A USRE41079E US RE41079 E1 USRE41079 E1 US RE41079E1 US 64421603 A US64421603 A US 64421603A US RE41079 E USRE41079 E US RE41079E
- Authority
- US
- United States
- Prior art keywords
- area
- routeing
- mas
- network
- message
- 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 - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/64—Distributing or queueing
- H04Q3/66—Traffic distributors
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13141—Hunting for free outlet, circuit or channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13167—Redundant apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13367—Hierarchical multiplexing, add-drop multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Description
- Area An IS—IS Level 1 routeing subdomain
- ES End System—these systems deliver NPDUs to other systems and receive NPDUs from other systems but do not relay NPDUs
- IS Intermediate System (a node where data may be routed on to another IS or to an End System (ES)
- IS—IS The IS—IS intra-domain routeing protocol (see reference)
- MA Manual Adjacency
- NE Network Element
- NPDU Network Layer Protocol Data Unit
- NSAP Network Service Access Point (layer-3 address)
- OSI Open Systems Interconnection
- SID System ID—Part of the NSAP
- Router An IS running IS—IS
- Level-1—For routeing within an Area
- Level-2—For routeing between Areas
-
- 1. Nodes 1 & 5 are IS—IS routers.
- 2. Nodes 2-4 are non-IS—IS routers.
- 3. MAs are used in nodes 1 & 5, each MA containing the System IDs of nodes 2-4.
- 4. The link between
nodes 2 & 3 is broken. - 5. The routeing for nodes 2-4 is via node 1 due to shortest path routeing in the IS—IS Domain.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/644,216 USRE41079E1 (en) | 1997-07-31 | 2003-08-20 | Manual adjacencies alternate routing |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9716195 | 1997-07-31 | ||
GBGB9716195.4A GB9716195D0 (en) | 1997-07-31 | 1997-07-31 | MA alternate routeing |
US09/040,616 US6278687B1 (en) | 1997-07-31 | 1998-03-18 | MA alternate routeing |
US10/644,216 USRE41079E1 (en) | 1997-07-31 | 2003-08-20 | Manual adjacencies alternate routing |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/040,616 Reissue US6278687B1 (en) | 1997-07-31 | 1998-03-18 | MA alternate routeing |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE41079E1 true USRE41079E1 (en) | 2010-01-19 |
Family
ID=10816766
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/040,616 Ceased US6278687B1 (en) | 1997-07-31 | 1998-03-18 | MA alternate routeing |
US10/644,216 Expired - Lifetime USRE41079E1 (en) | 1997-07-31 | 2003-08-20 | Manual adjacencies alternate routing |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/040,616 Ceased US6278687B1 (en) | 1997-07-31 | 1998-03-18 | MA alternate routeing |
Country Status (8)
Country | Link |
---|---|
US (2) | US6278687B1 (en) |
EP (1) | EP0895431B1 (en) |
JP (1) | JP3905218B2 (en) |
CN (1) | CN1115841C (en) |
AU (1) | AU745768B2 (en) |
DE (1) | DE69819088T2 (en) |
GB (2) | GB9716195D0 (en) |
NO (1) | NO981154L (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002091203A1 (en) * | 2001-05-03 | 2002-11-14 | Nokia Inc. | Method and system for implementing mpls redundancy |
US7155632B2 (en) * | 2002-06-27 | 2006-12-26 | Nokia, Inc. | Method and system for implementing IS-IS protocol redundancy |
US7580394B2 (en) * | 2002-11-27 | 2009-08-25 | Nokia Corporation | System and method for collision-free transmission scheduling in a network |
US7707307B2 (en) * | 2003-01-09 | 2010-04-27 | Cisco Technology, Inc. | Method and apparatus for constructing a backup route in a data communications network |
US7466661B1 (en) | 2003-09-22 | 2008-12-16 | Cisco Technology, Inc. | Method and apparatus for establishing adjacency for a restarting router during convergence |
US7428213B2 (en) * | 2003-11-21 | 2008-09-23 | Cisco Technology, Inc. | Method and apparatus for determining network routing information based on shared risk link group information |
US7366099B2 (en) | 2003-12-01 | 2008-04-29 | Cisco Technology, Inc. | Method and apparatus for synchronizing a data communications network |
US7864712B2 (en) * | 2007-07-20 | 2011-01-04 | Cisco Technology, Inc. | Preventing loops in networks operating different protocols to provide loop-free topology |
US8774010B2 (en) | 2010-11-02 | 2014-07-08 | Cisco Technology, Inc. | System and method for providing proactive fault monitoring in a network environment |
US8559341B2 (en) | 2010-11-08 | 2013-10-15 | Cisco Technology, Inc. | System and method for providing a loop free topology in a network environment |
US8982733B2 (en) | 2011-03-04 | 2015-03-17 | Cisco Technology, Inc. | System and method for managing topology changes in a network environment |
US8670326B1 (en) | 2011-03-31 | 2014-03-11 | Cisco Technology, Inc. | System and method for probing multiple paths in a network environment |
US8724517B1 (en) | 2011-06-02 | 2014-05-13 | Cisco Technology, Inc. | System and method for managing network traffic disruption |
US8830875B1 (en) | 2011-06-15 | 2014-09-09 | Cisco Technology, Inc. | System and method for providing a loop free topology in a network environment |
US9450846B1 (en) | 2012-10-17 | 2016-09-20 | Cisco Technology, Inc. | System and method for tracking packets in a network environment |
CN113315698B (en) * | 2021-05-25 | 2022-07-05 | 中国电子科技集团公司第二十九研究所 | Task-based sensor networking message routing method |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251205A (en) * | 1990-09-04 | 1993-10-05 | Digital Equipment Corporation | Multiple protocol routing |
US5262906A (en) * | 1992-06-19 | 1993-11-16 | Alcatel Network Systems, Inc. | Message routing for SONET telecommunications maintenance network |
EP0645905A2 (en) | 1993-09-24 | 1995-03-29 | Nec Corporation | Sonet Ring subnetwork management method |
US5550805A (en) | 1994-02-14 | 1996-08-27 | Hitachi, Ltd. | Failure restoration method in a mesh network |
GB2301991A (en) | 1995-06-06 | 1996-12-18 | Plessey Telecomm | Preventing closed timing loops in SDH network synchronisation |
US5590118A (en) * | 1994-08-23 | 1996-12-31 | Alcatel N.V. | Method for rerouting a data stream |
WO1997024901A1 (en) | 1995-12-29 | 1997-07-10 | Mci Communications Corporation | Restoration systems for an optical telecommunications network |
US5678178A (en) * | 1992-06-30 | 1997-10-14 | Nokia Telecommunications Oy | SDH network having dynamic allocation of transmission capacity |
US6055226A (en) * | 1996-08-09 | 2000-04-25 | Alcatel | Method to signal a failure in a mixed PDH/SDH network in order to enable the latter to provide a service such as a protection mechanism |
US6195425B1 (en) * | 1996-11-21 | 2001-02-27 | Bell Atlantic Network Services, Inc. | Telecommunications system with wide area internetwork control |
-
1997
- 1997-07-31 GB GBGB9716195.4A patent/GB9716195D0/en active Pending
-
1998
- 1998-03-12 DE DE69819088T patent/DE69819088T2/en not_active Expired - Lifetime
- 1998-03-12 EP EP98301875A patent/EP0895431B1/en not_active Expired - Lifetime
- 1998-03-13 GB GB9805249A patent/GB2328113B/en not_active Expired - Fee Related
- 1998-03-16 NO NO981154A patent/NO981154L/en unknown
- 1998-03-18 US US09/040,616 patent/US6278687B1/en not_active Ceased
- 1998-03-19 AU AU59390/98A patent/AU745768B2/en not_active Ceased
- 1998-03-19 JP JP11263598A patent/JP3905218B2/en not_active Expired - Fee Related
- 1998-04-16 CN CN98106691A patent/CN1115841C/en not_active Expired - Fee Related
-
2003
- 2003-08-20 US US10/644,216 patent/USRE41079E1/en not_active Expired - Lifetime
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251205A (en) * | 1990-09-04 | 1993-10-05 | Digital Equipment Corporation | Multiple protocol routing |
US5430727A (en) * | 1990-09-04 | 1995-07-04 | Digital Equipment Corporation | Multiple protocol routing |
US5262906A (en) * | 1992-06-19 | 1993-11-16 | Alcatel Network Systems, Inc. | Message routing for SONET telecommunications maintenance network |
US5678178A (en) * | 1992-06-30 | 1997-10-14 | Nokia Telecommunications Oy | SDH network having dynamic allocation of transmission capacity |
EP0645905A2 (en) | 1993-09-24 | 1995-03-29 | Nec Corporation | Sonet Ring subnetwork management method |
US5550805A (en) | 1994-02-14 | 1996-08-27 | Hitachi, Ltd. | Failure restoration method in a mesh network |
US5590118A (en) * | 1994-08-23 | 1996-12-31 | Alcatel N.V. | Method for rerouting a data stream |
GB2301991A (en) | 1995-06-06 | 1996-12-18 | Plessey Telecomm | Preventing closed timing loops in SDH network synchronisation |
WO1997024901A1 (en) | 1995-12-29 | 1997-07-10 | Mci Communications Corporation | Restoration systems for an optical telecommunications network |
US6055226A (en) * | 1996-08-09 | 2000-04-25 | Alcatel | Method to signal a failure in a mixed PDH/SDH network in order to enable the latter to provide a service such as a protection mechanism |
US6195425B1 (en) * | 1996-11-21 | 2001-02-27 | Bell Atlantic Network Services, Inc. | Telecommunications system with wide area internetwork control |
Also Published As
Publication number | Publication date |
---|---|
CN1207625A (en) | 1999-02-10 |
GB9716195D0 (en) | 1997-10-08 |
US6278687B1 (en) | 2001-08-21 |
EP0895431A2 (en) | 1999-02-03 |
JPH1168853A (en) | 1999-03-09 |
EP0895431A3 (en) | 2000-10-18 |
GB9805249D0 (en) | 1998-05-06 |
DE69819088T2 (en) | 2004-05-19 |
EP0895431B1 (en) | 2003-10-22 |
GB2328113A (en) | 1999-02-10 |
AU745768B2 (en) | 2002-03-28 |
GB2328113B (en) | 2002-05-29 |
CN1115841C (en) | 2003-07-23 |
JP3905218B2 (en) | 2007-04-18 |
AU5939098A (en) | 1999-02-11 |
DE69819088D1 (en) | 2003-11-27 |
NO981154L (en) | 1999-02-01 |
NO981154D0 (en) | 1998-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: MARCONI UK INTELLECTUAL PROPERTY LTD., ENGLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARCONI COMMUNICATIONS LTD;REEL/FRAME:015549/0737 Effective date: 20040610 |
|
AS | Assignment |
Owner name: M(DGP1) LTD, UNITED KINGDOM Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARCONI UK INTELLECTUAL PROPERTY LTD.;REEL/FRAME:018635/0425 Effective date: 20051223 Owner name: M(DGP1) LTD,UNITED KINGDOM Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARCONI UK INTELLECTUAL PROPERTY LTD.;REEL/FRAME:018635/0425 Effective date: 20051223 Owner name: ERICSSON AB, SWEDEN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:M(DGP1) LTD;REEL/FRAME:018797/0607 Effective date: 20060101 Owner name: ERICSSON AB,SWEDEN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:M(DGP1) LTD;REEL/FRAME:018797/0607 Effective date: 20060101 |
|
CC | Certificate of correction | ||
FPAY | Fee payment |
Year of fee payment: 12 |