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Equal-Cost Multipath (ECMP) routing has been widely adopted to perform load balancing. With ECMP, a router can maintain multiple next hops for a destination IP prefix. The most common method used by such routers is to split traffic with per-flow basis evenly among those next hops. This approach, although simple, cannot achieve optimal load balancing. In this paper we study the optimal configuration...
The practical limitations and challenges of radio frequency (RF) based communication networks have become increasingly apparent over the past decade, leading researchers to seek new hybrid communication approaches. One promising strategy that has been the subject of considerable interest is the augmentation of RF technology by Free Space Optics (FSO), using the strength of each communication technology...
The NoC synthesis defined as the generation of a Network On Chip (NoC) architecture optimized for a specific application subject to various constraints, is a very important step in ASIC design methodologies. In this work we will present a new NoC synthesis method based on linear programming. We will apply our algorithm on multimedia coregraphs like 263 enc MP3 dec, MPEG4 and H.264. We reduce the complexity...
Free space optical networks have emerged as a viable technology for broadband wireless backbone networks. In this paper, we investigate the challenging problem of joint topology design and load balancing in FSO networks. We consider FSO link characteristics, cost constraints, traffic characteristics, traffic demand, and QoS requirements in the formulation, along with various objective functions including...
In this paper, we propose to apply multipath routing in optical networks for the emerging high-performance applications with extremely high bandwidth requirements, typically larger than the capacity of one wavelength. To this end, we present a novel Multipath lightpath Provisioning mechanism and derive an optimal solution by an ILP (Integer Linear Programming) approach, with differential delay and...
We present an integer linear programming (ILP) method that optimizes generalized prefix Ling adders in terms of area, delay, and power. The contribution is listed in the following. (1) We devise an ILP formulation based on logical effort models so that we can use ILP solver, CPLEX, to produce minimum power solutions with given structural, area and timing constraints. The formulation allows the adjustment...
We present a multi-path computation algorithm to find a set of paths for the given demand and use Integer Linear Programming (ILP) approach to derive an optimal solution to maximize the achievable bandwidth and minimize the required memory size. We discuss the applicability of the proposed methods in multi-domain settings and present three application schemes in a multi-homing environment. Numerical...
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