Towards Flexible Guarantees in Clouds: Adaptive Bandwidth Allocation and Pricing
This text focuses on the problem of bandwidth allocation to users of Cloud data centers. An fascinating approach is to use advance bandwidth reservation. Such systems usually assume all requests demand either bandwidth-guarantee (BG) or time-guarantee (TG), but not each. Hence the solutions are tailored for one kind of requests. A BG request demands guarantee on bandwidth; whereas a TG request demands guarantee on time for transfer of knowledge of specified volume. We tend to outline a replacement model that enables users to not solely submit each sorts of requests, but also specify flexible demands. We have a tendency to traffic congestion the problem of bandwidth allocation with differential pricing, that offers discounts to users based mostly on the pliability in their requests. We have a tendency to propose a two-section, adaptive and flexible bandwidth allocator (A-FBA) that, in one phase admits and allocates minimal bandwidth to dynamically arriving user requests, and in another part, allocates further bandwidth for accepted requests maximizing revenue. The matter formulated in 1st section is -onerous, while the second phase will be solved in polynomial time. We tend to show that, as compared to a ancient deterministic model, the A-FBA not solely will increase the number of accepted requests significantly, however conjointly will therefore by generating higher revenues.
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