Resolving the fairness issue in bus-based optical access networks

@article{citeulike:2382225, abstract = {Packet-based optical access ring is becoming a promising solution in metropolitan networks. Its performance depends mainly on how optical resource sharing takes place among the different competing access nodes. This network architecture has mostly been explored with regard to synchronous transmission (i.e., slotted WDM ring). However, in this article we focus on the performance of asynchronous transmission-based networks with variable packet sizes. We investigate the fairness issue that is likely to arise between upstream and downstream nodes sharing a common data channel. Furthermore, we show that sharing the channel's available bandwidth fairly but arbitrarily between access nodes, as in slotted WDM rings, does not resolve the fairness problem in asynchronous systems. In this regard, we exhibit the inherent limitations of the token bucket access rate-based algorithm once applied to asynchronous transmission bus-based networks. To alleviate the aforementioned problem, we devise a new strategy called traffic control architecture using remote descriptors (TCARD). The proposed solution is based on a preventive mechanism to grant access to the shared resource. As illustrated in the article, the proposed solution alleviates performance degradation and resource underutilization while achieving fairness among bus nodes.}, author = {Bouabdallah, N. and Dotaro, E. and Ciavaglia, L. and Le Sauze, N. and Pujolle, G. }, booktitle = {Communications Magazine, IEEE}, citeulike-article-id = {2382225}, doi = {10.1109/MCOM.2004.1362545}, journal = {Communications Magazine, IEEE}, keywords = {algorithm, architecture, bucket, bus, control, dborn, descriptors, distribution, dual, ethernet, limitations, network, optical, packet, remote, ring, size, tcard, token, traffic, using}, number = {11}, pages = {S12--S18}, posted-at = {2008-02-14 18:27:07}, priority = {0}, title = {Resolving the fairness issue in bus-based optical access networks}, url = {http://dx.doi.org/10.1109/MCOM.2004.1362545}, volume = {42}, year = {2004} }

TY - JOUR ID - citeulike:2382225 L3 - citeulike-article-id:2382225 TI - Resolving the fairness issue in bus-based optical access networks T2 - Communications Magazine, IEEE JF - Communications Magazine, IEEE VL - 42 IS - 11 SP - S12 EP - S18 N2 - Packet-based optical access ring is becoming a promising solution in metropolitan networks. Its performance depends mainly on how optical resource sharing takes place among the different competing access nodes. This network architecture has mostly been explored with regard to synchronous transmission (i.e., slotted WDM ring). However, in this article we focus on the performance of asynchronous transmission-based networks with variable packet sizes. We investigate the fairness issue that is likely to arise between upstream and downstream nodes sharing a common data channel. Furthermore, we show that sharing the channel's available bandwidth fairly but arbitrarily between access nodes, as in slotted WDM rings, does not resolve the fairness problem in asynchronous systems. In this regard, we exhibit the inherent limitations of the token bucket access rate-based algorithm once applied to asynchronous transmission bus-based networks. To alleviate the aforementioned problem, we devise a new strategy called traffic control architecture using remote descriptors (TCARD). The proposed solution is based on a preventive mechanism to grant access to the shared resource. As illustrated in the article, the proposed solution alleviates performance degradation and resource underutilization while achieving fairness among bus nodes. KW - algorithm KW - architecture KW - bucket KW - bus KW - control KW - dborn KW - descriptors KW - distribution KW - dual KW - ethernet KW - limitations KW - network KW - optical KW - packet KW - remote KW - ring KW - size KW - tcard KW - token KW - traffic KW - using AU - Bouabdallah, N AU - Dotaro, E AU - Ciavaglia, L AU - Le Sauze, N AU - Pujolle, G PY - 2004/// UR - http://dx.doi.org/10.1109/MCOM.2004.1362545 ER -