Abstract
This paper proposes an optimal routing scheme for routing Label Switched Path (LSP) setup in the MultiProtocol Label Switching (MPLS) domain. Resource ReserVation Protocol - Traffic Engineering (RSVP-TE) and Label Distribution Protocol (LDP) used for LSP setup usually use constraint based or source based routing in the MPLS domain to provide Quality of Service (QoS). In this paper we investigate the use of Rate Controlled Service (RCS) disciplines in Integrated Service networks which have been used for providing end to end delay and delay jitter bounds. We have incorporated this property of RCS disciplines in MPLS Label Switching Routers (LSR) and also proposed a routing algorithm for providing Guaranteed QoS in MPLS networks.
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