Abstract
In this study we present the architecture for use in high-performance switching networks with support quality of service (QoS) guarantees. Quality of services guarantees in terms of delay, through-put and loss rate can be provided by using mechanism's support like scheduling and buffer management at switching architecture in packet switching networks. Our architecture is based on a new data structure for the scheduling and memories management which is the circular linked list and the pipeline for the active queues elements. In addition to being very fast, the architecture also scales very well to a large number of priority levels and to large queue size. We give a detailed description of the block that support QoS guarantees. However our proposed architecture is composed of three parts: input controller, backplane and output controller. And we give the corresponding algorithms and the corresponding implementation of this architecture.
Highlights
The growth of the Internet requires design and development of high-speed IP routers that forward exponentially increasing volume of traffic and provide quality of service (QoS) guarantees at the same time
In order to bridge the gap between the increase of computing power and the explosion of bandwidth demand, parallelism has been introduced into the routers design
From the viewpoint of the degree of the parallelism, the routers have evolved into the fourth generation
Summary
The growth of the Internet requires design and development of high-speed IP routers that forward exponentially increasing volume of traffic and provide QoS guarantees at the same time. Bhagwan proposed a Design of a high-speed packet switch for fine-grained quality of service guarantees[4]. Routers As a matter of fact, both buffer management and packet at the network edges classify packets into predefined scheduling mechanisms have effects on almost all the service classes based on the demand requirements and performance metrics (Fig. 1). To satisfy these characteristics of the associated application.
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