Design And Implementation Of The Management Of HQoS Based On Home Gateway

With the advent of the Internet age, the needs of households with Internet access more and more devices, such as: PC, IP telephone, television, game consoles. Home gateway as a family internal network and external WAN interface between the people's convenience, but also brought a lot of entertainment. Purports to more penetration of telecom services to the family, then there must be integration of more features of the home gateway products to appear. Can be said that the family business, diversification, and promote a home gateway product features are continuously enriched. The most important point is that home users of the network to improve service satisfaction, quality of service home gateway is particularly important to ensure that the hot issue. Therefore, only the paper on service quality of the home gateway.Through researching on QoS, design and implementation of the tiered home gateway based on the quality of service management functions, with differentiated service model to achieve service quality. QoS analysis and study of the basic system design model, laying the groundwork for the design of QoS features. Because the gateway system based on Linux operating system implementation, so Linux discussed the mechanism of the flow control tool. New demands for QoS, using a hierarchical QoS technology. With the traditional QoS, there are some differences. The traditional port-based QoS traffic scheduling. A single port can only distinguish between business priorities, can not distinguish between business users and different users. The HQoS physical port can not only distinguish between business priorities, the physical port can be achieved for the distinction between the logic of the user, and user-based logic to provide different QoS strategies, respectively. Hierarchical QoS gateway system design is divided into three, respectively, for the port at all levels and types of message flow for processing. Implementation of hierarchical quality of service also involves some algorithms, the traffic shaping algorithm discussed, congestion avoidance algorithm, and multi-queue scheduling priority data packet classification and forwarding implementation. By the end QoS performance testing, draw valid conclusions of the QoS features.