SIGMETRICS '97 Proceedings of the 1997 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Explicit window adaptation: a method to enhance TCP performance
IEEE/ACM Transactions on Networking (TON)
Dynamic core provisioning for quantitative differentiated services
IEEE/ACM Transactions on Networking (TON)
Courtesy Piggybacking: Supporting Differentiated Services in Multihop Mobile Ad Hoc Networks
IEEE Transactions on Mobile Computing
On the performance of early packet discard
IEEE Journal on Selected Areas in Communications
Packet loss performance of selective cell discard schemes in ATM switches
IEEE Journal on Selected Areas in Communications
Analysis of discarding policies in high-speed networks
IEEE Journal on Selected Areas in Communications
Dynamics of TCP traffic over ATM networks
IEEE Journal on Selected Areas in Communications
IEEE Network: The Magazine of Global Internetworking
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The Internet was initially designed for non real-time data communications, and hence does not provide any Quality of Service (QoS) guarantees. Differentiated Services (DiffServ) is being developed by IETF to provide QoS guarantees by carrying priority information in the packet headers. ATM is expected to coexist with DiffServ in the core of the next generation Internet. In this paper, we propose the Prioritized Early Packet Discard (PEPD) scheme which takes into account the priority of packets during discarding of cells in an ATM switch. We developed a Markov chain model of PEPD, and verified the accuracy of the model with simulation results. Results confirm that the proposed PEPD scheme provides QoS to end applications by providing differential treatment to packets of different priorities.