Abstract
In the Internet, the exponential growth of user traffic is driving routers to run at increasing bit-rates and have a very large number of ports. Traditional routers consist of line cards and centralized switching fabrics. However, in such a router, the centralized switching fabric is becoming the bottleneck for its limited ports and complicated scheduling algorithms. Interconnection networks, such as 3-D Torus topology, have been applied to routers. They show excellent scalability and fault tolerance. Unfortunately its scalability is limited in practice. In this paper, we propose a novel architecture called Cellular Router (CR) and give a simple discussion of this architecture. We introduce a load-balanced semiminimal routing algorithm (LBSR) for CRs. This algorithm makes use of path diversity and shows high throughput on tornado and random traffic patterns. We also discuss some other aspects of this algorithm, such as dropping ratio, effects of queue length and speedup.
This work was supported in part by grants 863-2005AA112132 and 973-2003CB314801.
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Yue, Z., Zhao, Y., Wu, J., Zhang, X. (2006). LBSR: A Load-Balanced Semiminimal Routing Algorithm in Cellular Routers. In: Chong, I., Kawahara, K. (eds) Information Networking. Advances in Data Communications and Wireless Networks. ICOIN 2006. Lecture Notes in Computer Science, vol 3961. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11919568_42
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DOI: https://doi.org/10.1007/11919568_42
Publisher Name: Springer, Berlin, Heidelberg
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