Method and system for recovering SIP transaction
US8140895B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2010 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Jul 30, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/40
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for recovering a SIP transaction. The method including monitoring an event related to transaction change; recording information related to the event; and regenerating a transaction by use of the recorded information upon failover. A system is also provided to carry out the steps of the method. Through the present invention, a transaction may be regenerated upon occurrence of failure during the transaction period, thereby enabling transaction-level failover and noticeably reducing the information load needed to recorded compared with the prior art. The present invention not only improves reliability of a SIP-based service but also requires less overhead for transaction recovery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.