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2006

Traffic engineering with OSPF-TE and RSVP-TE: Flooding reduction techniques and evaluation of processing cost

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Traffic engineering with OSPF-TE and RSVP-TE: Flooding reduction techniques and evaluation of processing cost
This paper considers two important aspects related to the control plane of Traffic Engineered IP/MPLS networks: the ``flooding reduction'' mechanisms and the evaluation of processing cost for signaling and routing protocols. The flooding reduction mechanisms are needed toreducetheamountofinformationexchangedbyTrafficEngineeringenabledrouting protocols. Thetrade-offbetweenthe amountofinformation exchanged and the network performance (connection blocking probability) is discussed in the light of specific aspects of OSPF-TE routing protocol and RSVP-TE signaling protocol. Different mechanisms are analyzed and a suggestion isgiven for the best one.The dynamic aspects related to the time needed to distribute the routing and signaling information are considered. Finally, the combined processing cost of routing and signaling is analyzed, and the possible bottlenecks of the architecture are discussed. It is worth mentioning that the discussed results have been derived not only with ...
Stefano Salsano, Alessio Botta, Paola Iovanna, Mar
Added 11 Dec 2010
Updated 11 Dec 2010
Type Journal
Year 2006
Where COMCOM
Authors Stefano Salsano, Alessio Botta, Paola Iovanna, Marco Intermite, Andrea Polidoro
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