Method and apparatus for recovering from a signalling failure in a switched connection data transmission network
US6490245B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2001 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Jul 31, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/563
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of re-establishing a communications connection in a network element, a network element and a switched connection communications network are provided. The communications connection is re-established after a failure occurs affecting the communications connection. The network element is a network element in a switched connection communications network over which the communications connection is provisioned in a source-to-destination bearer path. The bearer path includes a cross-connection in the first-mentioned network element. The cross-connection is associated with the communications connection prior to the failure at a time when the communications connection is provisioned. The method includes the steps of: (a) delaying release of the cross-connection following the failure and (b) during the delayed release, determining whether the cross-connection remains operable notwithstanding the failure and, if so, re-associating the operable cross-connection with the communications connection to thereby re-establish same over at least that portion of the bearer path which includes the cross-connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.