6533b7d3fe1ef96bd1261689

RESEARCH PRODUCT

PCP: An End-to end Measurement Based Call Admission Control for Real-Time Services Over IP Networks

Chiara PetrioliGiuseppe BianchiLuigi FrattaAntonio CaponeFlaminio Borgonovo

subject

Core routerVoice over IPEnd-to-end principleNetwork packetComputer sciencebusiness.industryCall Admission ControlAdmission controlTelephonyDifferentiated servicebusinessComputer network

description

Distributed end-to-end measurement based connection admission control mechanisms have been recently proposed. The goal of these schemes is to provide tight QoScon trol on a per connection basis by means of measurements taken by the edge nodes and priority based forwarding procedure at internal nodes. Since the additional flows handling procedures are implemented at the border routers and the forwarding mechanisms are for flows aggregates only, the approach is fully scalable and compatible with the IETF Differentiated Service proposal. The aim of this paper is to propose specific schemes and to investigate the advantages and limits of the approach by analyzing the basic mechanisms and evaluating its performance. As a results, the paper shows that end-to-end measurements taken over a low priority probing packet stream is an effective and robust way to guarantee bandwidth and delay for real-time services characterized by fast traffic dynamics, such as Voice over IP.

yearjournalcountryeditionlanguage
2000-12-15
10.1007/3-540-44554-4_26http://hdl.handle.net/11573/207202