Apparatus for providing QoS of VoIP traffic on IP router and forwarding method therefor

Abstract

An apparatus for providing quality of service (QoS) of voice over IP (VoIP) traffic on IP routers and a forwarding method therefor are provided. The VoIP quality of QoS providing apparatus in an Internet protocol (IP) network containing data traffic and providing VoIP service includes: a softswitch which performs a VoIP call coordination function in the IP network and transmits VoIP call connection information in a multicast transmission method; and a router which provides QoS in forwarding a VoIP packet, by using the information received from the softswitch. With the VoIP QoS service providing apparatus, reliable multicast transmission method is enabled in providing VoIP connection information to each router, and when a softswitch additionally processes related functions, the load to the system is reduced. Since in the router, VoIP QoS flow and QoS information are added to a flow table for performing packet forwarding, VoIP packet recognition and QoS providing are enabled. In addition, flow management for providing QoS in a variety of shapes in the similar manner can be provided.

Dependencies are inferred from the claim text.