Operator directed routing of connections in a digital communications network
Abstract
A virtual circuit whose path across a network is specified by a human operator (hereinafter operator directed route or ODR VC) is established by manually provisioning a preferred path for the connection, including a source node, destination node, and intermediate nodes or subnetworks therebetween. The source node creates a call setup message which is signalled along the preferred path, whereby the intermediate nodes along the preferred path establish the bearer channel cross-connects. The operator also specifies a re-routing scheme for the ODR VC in the event the preferred path is blocked or a link subsequently fails. The re-routing scheme includes one of (a) the preferred path only; (b) at least one manually provisioned alternate path; and (c) any available path. The ODR VC provides the benefit of a permanent virtual circuit (PVC) in terms of the ability to consciously route a connection with the benefit of a soft permanent virtual circuit (SPVC) or switched virtual circuit (SVC) in terms of the capability to efficiently re-route connections by the network as opposed to a central management authority.

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Projected expiry passed 28 May 2019, 7.3 years ago.
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1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0798945A2 | Cites | European Patent Office (EPO) | X | Search report | 1-18 |
| WO9716005A1 | Cites | World Intellectual Property Organization (WIPO) | X | Search report | 1-18 |
| SCOTT J M ET AL: "THE ATM FORUM'S PRIVATE NETWORK/NETWORK INTERFACE", BT TECHNOLOGY JOURNAL, BT LABORATORIES, GB, VOL. 16, NR. 2, PAGE(S) 37-46, ISSN: 1358-3948, XP000750517 | Non-patent | – | – | Search report | – |
| BLACK U: "ATM, Volume II Signaling in broadband networks", ATM: SIGNALING IN BROADBAND NETWORKS, PRENTICE HALL SERIES IN ADVANCED COMMUNICATIONS TECHNOLOGIES, UPPER SADDLE RIVER, NJ: PRENTICE HALL, US, VOL. VOL. 2, PAGE(S) 159-179, ISBN: 0-13-571837-6, XP002080340 | Non-patent | – | – | Search report | – |
| GREMMELMAIER U ET AL: "PERFORMANCE EVALUATION OF THE PNNI ROUTING PROTOCOL USING AN EMULATION TOOL", ISS '97. WORLD TELECOMMUNICATIONS CONGRESS. (INTERNATIONAL SWITCHING SYMPOSIUM). GLOBAL NETWORK EVOLUTION: CONVERGENCE OR COLLISION? TORONTO, SEPT. 21 - 26, 1997, ISS. WORLD TELECOMMUNICATIONS CONGRESS. (INTERNATIONAL SWITCHING SYMPOSIUM), TORONTO, P, XP000720545 | Non-patent | – | – | Search report | – |
9 members in 6 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 2239032 | Canada | A | |
| 2239032 | Canada | A | |
| 2239032 | Canada | – | |
| 2239032 | – | – | – |
| CA19982239032 | – | – | – |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| CA2239032A1 | Canada | A1 | |
| EP0961518A2 | European Patent Office (EPO) | A2 | |
| EP0961518A3This record | European Patent Office (EPO) | A3 | |
| US6697329B1 | United States of America | B1 | |
| EP0961518B1 | European Patent Office (EPO) | B1 | |
| AT413785T | Austria | T | |
| ATE413785T1 | Austria | T1 | |
| DE69939856D1 | Germany | D1 | |
| ES2320186T3 | Spain | T3 |
65 legal events, as 8 offices reported them to INPADOC
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Numbers
- Publication
- 0961518
- Publication, DOCDB
- 0961518
- Publication, EPODOC
- EP0961518
- Application
- 99109317
- Application, DOCDB
- 99109317
- Application, EPODOC
- EP19990109317
Titles3
- German
- Von einer Bedienungsperson durchgeführte Verbindungssteuerung (Routing) in einem digitalen Kommunikationsnetz
- English
- Operator directed routing of connections in a digital communications network
- French
- Routage de connexions dans un réseau de communication digital dirigé par un operateur
Classification
- CPC, 10
- H04L45/28
- H04L45/10
- H04L45/22
- H04L2012/562
- H04L2012/5621
- H04L2012/5627
- H04L2012/563
- H04Q11/0478
- H04L43/0811
- Y04S40/00
- IPC, 2
- H04L45 28
- H04Q11 04
Designated states2
- Contracting states, 1
- Sweden
- Extension states, 1
- Slovenia