Method of virtual circuit reconnection without loss of call session
US6456626B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1998 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Dec 21, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/5627
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a data communications network in which virtual circuits and encapsulated virtual circuits may be established to carry calls from source terminals to destination terminals through network interfaces, information describing each virtual circuit is returned to, and stored at, the source. Should a virtual circuit or an encapsulated virtual circuit be interrupted, the destination holds the call open while the source requests reestablishment of the virtual circuit or encapsulated virtual circuit, by providing the stored description thereof through an alternate network interface. Upon reestablishment of the virtual circuit or encapsulated virtual circuit, the call proceeds with, or without, loss of data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.