Apparatus, method and system for an intermediate reliability protocol for network message transmission and reception
US6411621B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1998 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Aug 21, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus, method and system are provided for an intermediate reliability protocol for network message transmission and reception, and are particularly suited for real time applications, such as internet telephony. The preferred system embodiment includes a plurality of servers, connected to each other over a plurality of networks, such as over two ethernets. A first server, when operative, includes program instructions to transmit a message. A second server, which is coupled to the first server over the networks, when operative, includes program instructions to receive the message. Under typical circumstances, the received message will be delivered locally on the second server, to a designated local process. Under other circumstances, the second server will resynchronize to the received message, dropping stored messages and avoiding further delay in message delivery. For such resynchronization, when the received message has a sequence number which is out of sequence, the second server has further instructions, first, to determine whether a reset bit is set and, when the reset bit is set, to resynchronize to the received message; second, to determine whether the first server is …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.