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http://dx.doi.org/10.3745/KIPSTC.2008.15-C.4.253

A Resource Reservation Method with Available Resource Migration between RSVP-Capable Routers to Improve the Resource Utilization  

Kim, Tae-Joon (공주대학교 정보통신공학부)
Publication Information
The KIPS Transactions:PartC / v.15C, no.4, 2008 , pp. 253-262 More about this Journal
Abstract
Providing Quality-of-Service (QoS) guarantee requires the reservation of resource needed to accommodate the traffic flow of service for which resource reservation protocol (RSVP) was introduced. However, if any RSVP-capable router on the path fails to accommodate the traffic flow due to lack of resource, the flow is not allowed no matter how much surplus resources other routers on the path have. In order to solve this problem, this paper proposes a resource reservation method with available resource migration between RSVP-capable routers in which the routers use the recently developed latency optimized fair queuing scheduler. The results of the simulation applying the proposed method to an evaluation network show that it may yield the gain of up to 165% compared to that in the original one in terms of the number of admitted flows.
Keywords
RSVP-capable router; Resource reservation; Resource utilization; Scheduler; RSVP;
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