دانلود رایگان مقاله اطلاعات زمان تاخیر کم مقرون به صرفه و مرکز معماری شبکه

ABSTRACT

This paper presents the design, analysis, and implementation of a novel data center network architecture, named NovaCube. Based on regular Torus topology, NovaCube is constructed by adding a number of most beneficial jump-over links, which offers many distinct advantages and practical benefits. Moreover, in order to enable NovaCube to achieve its maximum theoretical performance, a probabilistic oblivious routing algorithm PORA is carefully designed. PORA is a both deadlock and livelock free routing algorithm, which achieves near-optimal performance in terms of average routing path length with better load balancing thus leading to higher throughput. Theoretical derivation and mathematical analysis together with extensive simulations further prove the good performance of NovaCube and PORA.

9. Conclusion

In this paper, we proposed a novel data center architecture named NovaCube, and presented its design and key properties. As a switchless architecture, NovaCube’s cost-effectiveness is highlighted with regard to its energy consumption and infrastructure cost. As proved, NovaCube is also superior to other candidate architectures in terms of network diameter, throughput, average path length, bisection bandwidth, path diversity and fault tolerance. Further- more, the specially designed probabilistic weighted oblivious rout- ing algorithm PORA helps NovaCube achieve near-optimal average path length with better load balancing which can result in a better throughput. Moreover, PORA is also free of livelock and deadlock. The simulation results further prove the good performance of No- vaCube.