System and method for distributing a map of content available at multiple receivers
US8214427B2 · kind B2 · utility
1Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2009 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | May 14, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/1868
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention concerns a content server device and a content receiver device, and a method at said devices for sending content in a robust mode. In particular the invention concerns a method at a peer to peer client to receive content from a server, the method comprising the steps of receiving content from a server in a multicast mode, indicating to the server the content that has been correctly received, receiving from the server in a multicast mode a content availability map indicating the content available at each peer and requesting the missing content from the peer indicated in the content availability map.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.