On the Early Release of Burst-Control Packets in Optical Burst-Switched Networks
In Optical Burst-Switched networks, the so-called Burst-Control Packet is sent a given offset-time ahead of the optical data burst to advertise the imminent burst arrival, and reserve a time-slot at each intermediate node to allocate it. This work proposes a methodology to estimate the number of packets to arrive in a given amount of time, in order to make it possible to send the BCP packet straightafter the first packet arrival and reduce the latency experienced during the burst-assembly process.
The following studies the impact of a wrong guess in terms of over-reservation of resources and waiting-time at the assembler, providing a detailed characterisation of their probability density functions. Additionally, a case example in a scenario with non-homogeneous Poisson arrivals is analysed and it is shown how to choose the appropriate burst-assembly algorithm values to never exceed a given over-reservation amount.
KeywordsIntermediate Node Packet Arrival Burst Size Optical Burst Switching Data Burst
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- 1.Brackett, C.: Dense Wavelength Division Multiplexing networks: Principles and applications. IEEE JSAC 8(6), 948–964 (1990)Google Scholar
- 2.Turner, J.: Terabit burst switching. J. High Speed Networks 8, 3–16 (1999)Google Scholar
- 3.Verma, S., Chaskar, H., Ravikanth, R.: Optical Burst Switching: A viable solution for Terabit IP backbone. IEEE Network, 48–53 (November/December 2000)Google Scholar
- 4.Qiao, C., Yoo, M.: Optical Burst Switching (OBS) – A new paradigm for an optical Internet. J. High Speed Networks 8, 69–84 (1999)Google Scholar
- 5.Chen, Y., Qiao, C., Yu, X.: Optical Burst Switching: A new area in optical networking research. IEEE Network, 16–23 (May/June 2004)Google Scholar
- 6.Yoo, M., Qiao, C.: Just-Enough Time (JET): A high-speed protocol for bursty traffic in optical networks. In: Proc. IEEE/LEOS Conf. Tech. Global Info. Infrastructure, pp. 26–27 (1997)Google Scholar
- 7.Karagiannis, T., Molle, M., Faloutsos, M., Broido, A.: A nonstationary Poisson view of Internet traffic. In: IEEE INFOCOM (2004)Google Scholar
- 8.Haga, P., Diriczi, K., Vattay, G., Csabai, I.: Understanding packet pair separation beyond the fluid model: The key role of traffic. In: IEEE INFOCOM (2006)Google Scholar