Performance modeling of optical-burst switching with fiber delay lines Export

@article{citeulike:3101017, abstract = {We develop analytical models to evaluate the performance of optical-burst switch (OBS) architectures employing fiber delay lines (FDLs) as optical buffers to reduce burst-loss probability. The performance of such architectures cannot be captured accurately using traditional queueing models, since FDLs behave fundamentally differently from conventional electronic buffers. We formulate a Markovian model to evaluate the system performance when the burst-arrival process is Poisson and the burst lengths are exponentially distributed under an idealized model of FDL behavior. The model accurately captures both the balking and deterministic delay properties of FDLs, but the complexity of the model makes it infeasible for solving problems of practical interest. By considering approximations of the model in the regimes of short and long FDLs, we develop relatively simple closed-form expressions that can be used for dimensioning OBS architectures. We also extend the approximate model to include the impact of FDL delay granularity. We present numerical results that validate our modeling approach and demonstrate that significant performance gains in optical-burst switching are achievable when FDLs are employed as optical buffers.}, author = {Lu, Xiaomin and Mark, B. L.}, booktitle = {Communications, IEEE Transactions on}, citeulike-article-id = {3101017}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/TCOMM.2004.838731}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1369630}, doi = {10.1109/TCOMM.2004.838731}, journal = {Communications, IEEE Transactions on}, keywords = {available, balking, channel, fdl, filling, latest, lauc, lauc-vf, markov, modeling, obs, queue, unscheduled, void}, number = {12}, pages = {2175--2183}, posted-at = {2008-08-08 15:34:35}, priority = {0}, title = {Performance modeling of optical-burst switching with fiber delay lines}, url = {http://dx.doi.org/10.1109/TCOMM.2004.838731}, volume = {52}, year = {2004} }

TY - JOUR ID - citeulike:3101017 L3 - citeulike-article-id:3101017 N2 - We develop analytical models to evaluate the performance of optical-burst switch (OBS) architectures employing fiber delay lines (FDLs) as optical buffers to reduce burst-loss probability. The performance of such architectures cannot be captured accurately using traditional queueing models, since FDLs behave fundamentally differently from conventional electronic buffers. We formulate a Markovian model to evaluate the system performance when the burst-arrival process is Poisson and the burst lengths are exponentially distributed under an idealized model of FDL behavior. The model accurately captures both the balking and deterministic delay properties of FDLs, but the complexity of the model makes it infeasible for solving problems of practical interest. By considering approximations of the model in the regimes of short and long FDLs, we develop relatively simple closed-form expressions that can be used for dimensioning OBS architectures. We also extend the approximate model to include the impact of FDL delay granularity. We present numerical results that validate our modeling approach and demonstrate that significant performance gains in optical-burst switching are achievable when FDLs are employed as optical buffers. IS - 12 JF - Communications, IEEE Transactions on EP - 2183 TI - Performance modeling of optical-burst switching with fiber delay lines VL - 52 T2 - Communications, IEEE Transactions on SP - 2175 KW - available KW - balking KW - channel KW - fdl KW - filling KW - latest KW - lauc KW - lauc-vf KW - markov KW - modeling KW - obs KW - queue KW - unscheduled KW - void AU - Lu, Xiaomin AU - Mark, BL PY - 2004/// UR - http://dx.doi.org/10.1109/TCOMM.2004.838731 ER -