Circuit emulation service over an internet protocol network
US6870837B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1999 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Aug 19, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/6481
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention establishes a circuit emulation service (CES) over an internet protocol (IP) network based on properties of the IP network. The CES emulates a circuit from a local interworking function to a remote interworking function. Data that is received at a constant bit rate at the local interworking function is encapsulated into a number of IP packets configured according to the CES. The IP packets are transported from the local interworking function to the remote interworking function according to the CES. In one embodiment, each IP packet also includes data segments for simultaneously encapsulating multiple constant bit rate circuits. In another embodiment, each data segment includes a separate CES circuit header.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.