High performance TCP in ANSNET
ACM SIGCOMM Computer Communication Review
SIGCOMM '95 Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
Why is the internet traffic bursty in short time scales?
SIGMETRICS '05 Proceedings of the 2005 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Optimal configuration of Energy-Efficient Ethernet
Computer Networks: The International Journal of Computer and Telecommunications Networking
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There is widespread debate regarding the nature of TCP traffic in today's Internet - while some researchers have shown that it exhibits long-range dependent (LRD) properties, others argue that it can be modelled as a Poisson process due to the high degree of traffic aggregation that exists in the core. In this paper, we investigate the nature of TCP traffic as the Internet core moves towards an all-optical packet switched network with very limited buffering (few tens of KiloBytes) capability. In particular, we show that the bottleneck link buffers have a large influence on the aggregate TCP arrival process: large buffers can induce synchronisation amongst TCP flows, thus creating significant burstiness (equivalently LRD), but as buffers become smaller, the TCP aggregate can be well approximated as a Poisson process. Our work has major impact on the design and analysis of future high-speed optical packet switched networks with very small buffers.