Adding QoS protection in order to enhance MPLS QoS routing
In this paper, a method for enhancing current QoS routing methods by means of QoS protection is presented. In an MPLS network, the segments (links) to be protected are predefined and an LSP request involves, apart from establishing a working path, creating a specific type of backup path (local, reve...
| Autores: | , , , |
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| Formato: | artículo |
| Fecha de publicación: | 2003 |
| 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:10256/2229 |
| Acesso em linha: | http://hdl.handle.net/10256/2229 |
| Access Level: | acceso abierto |
| Palavra-chave: | Commutació de paquets (Transmissió de dades) MPLS (Norma) Ordinadors, Xarxes d' -- Mesures de seguretat Protocols de xarxes d'ordinadors Telecomunicació -- Sistemes de commutació Packet switching (Data transmission) Computer network protocols Computer networks -- Security measures MPLS standard Telecommunication -- Switching systems |
| Resumo: | In this paper, a method for enhancing current QoS routing methods by means of QoS protection is presented. In an MPLS network, the segments (links) to be protected are predefined and an LSP request involves, apart from establishing a working path, creating a specific type of backup path (local, reverse or global). Different QoS parameters, such as network load balancing, resource optimization and minimization of LSP request rejection should be considered. QoS protection is defined as a function of QoS parameters, such as packet loss, restoration time, and resource optimization. A framework to add QoS protection to many of the current QoS routing algorithms is introduced. A backup decision module to select the most suitable protection method is formulated and different case studies are analyzed |
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