Titlebook: Stateless Core: A Scalable Approach for Quality of Service in the Internet; Winning Thesis of th Ion Stoica Book 2004 Springer-Verlag Berli

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Judicious

2 Background,rnet: those maintaining the stateless property of the original Internet (e.g., Differentiated Services), and those requiring a new stateful architecture (e.g., Integrated Services). While stateful solutions can provide more powerful and flexible services such as per flow guaranteed services, and can

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3 Overview,s the ones implemented by a stateful network using a stateless core network architecture. In this chapter, we give an overview of our solution and present a perspective of how this solution compares to the two most prominent solutions proposed in the literature to provide better services in the Inte

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4 Providing Flow Protection in SCORE,esirable enhancements of today’s best-effort service. If deployed, flow protection would allow diverse end-to-end congestion control schemes to seamlessly coexist in the Internet, and protect well behaved traffic against malicious or ill-behaved traffic.

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6 Providing Relative Service Differentiation in SCORE,ndent Resource Accounting (LIRA), that provides relative service differentiation. Unlike traditional services, such as the Guaranteed service, that are defined on a per flow basis, large spatial granularity services are defined over a large number of destinations. A simple example would be to guaran

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7 Making SCORE More Robust and Scalable,less scalable and robust than the stateless solutions. The scalability of the SCORE architecture suffers from the fact that the network core cannot transcend trust boundaries, such as the boundary between two competing Internet Service Providers (ISPs). As a result, the high-speed routers on these b

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A Performance Bounds for CSFQ, fixed, (2) there is no buffering and therefore the drop probability is given by Eq. (4.2), and (3) when a packet arrives, a fraction of that packet equal to the flow’s forwarding probability is transmitted. The proof is based on two intermediate results given in Lemmas 1 and 2, respectively. Lemma