A Label space reduction algorithm for P2MP LSPs using asymmetric tunnels

The aim of traffic engineering is to optimise network resource utilization. Although several works on minimizing network resource utilization have been published, few works have focused on LSR label space. This paper proposes an algorithm that uses MPLS label stack features in order to reduce the nu...

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Detalhes bibliográficos
Autores: Solano Donado, Fernando, Fabregat Gesa, Ramon, Donoso Meisel, Yezid, Marzo i Lázaro, Josep Lluís
Formato: artículo
Fecha de publicación:2005
País:España
Recursos:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/2329
Acesso em linha:http://hdl.handle.net/10256/2329
Access Level:acceso abierto
Palavra-chave:MPLS (Norma)
Telecomunicació -- Tràfic
MPLS standard
Telecommunication -- Traffic
Descrição
Resumo:The aim of traffic engineering is to optimise network resource utilization. Although several works on minimizing network resource utilization have been published, few works have focused on LSR label space. This paper proposes an algorithm that uses MPLS label stack features in order to reduce the number of labels used in LSPs forwarding. Some tunnelling methods and their MPLS implementation drawbacks are also discussed. The algorithm described sets up the NHLFE tables in each LSR, creating asymmetric tunnels when possible. Experimental results show that the algorithm achieves a large reduction factor in the label space. The work presented here applies for both types of connections: P2MP and P2P