Method of multicasting

Hayashi, Masato; Abe, Masahiro; Matsui, Susumu; Bonnet, Christian
US Patent 2003/0031175 A1, 13 February 2003

A method of multicasting data from a sender to first, second and third receivers through a network including first and second routers, the method comprising transmitting a data packet from said sender to said first, second and third receivers, detecting at said first, second and third receivers whether said data packet is properly received, transmitting a first reception information signal from said first receiver to said first router by a first path, transmitting a second reception information signal from said second receiver to said first router by a second path, determining, at said first router, in dependence upon said first and second reception information signals, whether said first and second receivers require re-transmission of said data packet and, if so, transmitting information relating to said first and second detection information signals to said second router, determining, at said second router, whether said third receiver requires re-transmission of said data packet and, if not, instructing said first router to re-transmit said data packet to said first and second receivers.


Type:
Brevet
Date:
2003-02-13
Department:
Systèmes de Communication
Eurecom Ref:
5658
Copyright:
© EURECOM. Personal use of this material is permitted. The definitive version of this paper was published in US Patent 2003/0031175 A1, 13 February 2003 and is available at :

PERMALINK : https://www.eurecom.fr/publication/5658