Traffic grooming for WDM rings using optical burst transport
Stanford Univ., CA, USA;IEEE/OSA Journal of Lightwave Technology - J LIGHTWAVE TECHNOL 04/2005; 24(1):3 pp. Vol. 5-. DOI:10.1109/JLT.2005.861139 ISBN: 1-55752-783-0 In proceeding of: Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC, Volume: 6
Source: IEEE Xplore
ABSTRACT For WDM rings, we propose a sub-lambda traffic grooming scheme, which we term optical burst transport (OBT). To demonstrate its scalability and performance, we investigate the operational issues, and discuss an OBT prototype implementation.
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ABSTRACT: This paper presents the Poisson Pareto burst process (PPBP) as a simple but accurate model for Internet traffic. It presents formulae relating the parameters of the PPBP to measurable traffic statistics, and describes a technique for fitting the PPBP to a given traffic stream. The PPBP is shown to accurately predict the queueing performance of a sample trace of aggregated Internet traffic. We predict that in few years, natural growth and statistical multiplexing will lead to an efficient optical Internet.Proceedings - IEEE INFOCOM 03/2003;
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ABSTRACT: We present an ac-coupled scheme for burst-mode optical receivers optimized for 8B/10B line code. The cutoff frequencies of the ac-coupled circuits are carefully adjusted to achieve fast response with minimal distortion to the 8B/10B signal spectrum. The proposed scheme is simple and technically feasible due to its adaptability to well-established continuous-mode components. The burst-mode penalty of the ac-coupled receiver is also investigated using numerical analysis. The numerical results are compared with measured data and good agreement is observed.IEEE Photonics Technology Letters 08/2004; · 2.04 Impact Factor
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ABSTRACT: Network arrivals are often modeled as Poisson processes for analytic simplicity, even though a number of traffic studies have shown that packet interarrivals are not exponentially distributed. We evaluate 24 wide area traces, investigating a number of wide area TCP arrival processes (session and connection arrivals, FTP data connection arrivals within FTP sessions, and TELNET packet arrivals) to determine the error introduced by modeling them using Poisson processes. We find that user-initiated TCP session arrivals, such as remote-login and file-transfer, are well-modeled as Poisson processes with fixed hourly rates, but that other connection arrivals deviate considerably from Poisson; that modeling TELNET packet interarrivals as exponential grievously underestimates the burstiness of TELNET traffic, but using the empirical Tcplib interarrivals preserves burstiness over many time scales; and that FTP data connection arrivals within FTP sessions come bunched into “connection bursts”, the largest of which are so large that they completely dominate FTP data traffic. Finally, we offer some results regarding how our findings relate to the possible self-similarity of wide area trafficIEEE/ACM Transactions on Networking 07/1995; 3(3):226-244. · 2.01 Impact Factor
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