Understanding multicast and QoS in UP routers

Popoviciu, Ciprian
July 2007
Broadcast Engineering;Jul2007, Vol. 49 Issue 7, p52
Trade Publication
The article discusses the technology of multicasting and QoS (quality of service) in Internet protocol (IP) routers. Multicast enables IP network to identify the host interested in a given traffic and to figure out how and where to optimally replicate the traffic. Multicast-enabled routers has several functions, like learning about listeners and packet replication. IP routers use the integrated service (IntServ) and differentiated service (DiffServ) architectures to provide quality of service.


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