QoS provisioning using a clearing house architecture
Chen-Nee Chuah
Subramanian, L.
Katz, R.H.
Joseph, A.D.
Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA;
This paper appears in: Quality of Service, 2000. IWQOS. 2000 Eighth International Workshop on
Publication Date: 2000
On page(s): 115-124
Meeting Date: 06/05/2000 - 06/07/2000
Location: Pittsburgh, PA, USA
ISBN: 0-7803-6266-7
References Cited: 31
INSPEC Accession Number: 6670657
Digital Object Identifier: 10.1109/IWQOS.2000.847944
Current Version Published: 2002-08-06
Abstract
We have designed a clearing house (CH) architecture that
facilitates resource reservations over multiple network domains, and
performs local admission control. Two key ideas employed in this design
to make the CH scalable to a large user base are hierarchy and
aggregation. In our model, we assume the network is composed of various
basic routing domains which can be aggregated to form logical domains.
This introduces a hierarchical tree of logical domains and a distributed
CH architecture is associated with each logical domain to maintain the
intra-domain aggregate reservations. The parent CH in the logical tree
maintains the inter-domain reservation requests. Call setup time is
reduced by performing advanced reservations based on statistical
estimates of the call traffic across various links. We explore, with
simulations, the efficiency of the CH-architecture in terms of resource
utilization, call rejections and reservation setup time
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