![]() The buffers should ideally be large enough to accommodate packets that are in queue but fast enough not to hold packets in queue longer than necessary. Introduction All routers require buffers to store packets during times of delay in the network. By having a buffer size that can hold at least fourteen packets, we illustrate that this results in reduced power consumption by the router and enhanced network performance.ฤก. We propose and use a model to illustrate buffer size that is optimal for access networks. ![]() In this paper, we use OPNET simulations to study buffer size in access networks, independent of network capacity, to come up with an optimal buffer size for the network. This results in large buffers that require a lot of power and board space, and are a challenge to router manufactures. Manufacturers use the rule of thumb to assign network buffer to routers, which increases buffer size linearly with an increase in network capacity. Network performance and router energy consumption is determined by the technologies employed to build the routers. Therefore, buffer size plays a big role in router design. Routers require buffers to hold packets in times of delay. ![]() Enhancing network performance and reducing energy consumption by the routers are two very important design challenges faced by router manufacturers today.
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