With the presentation of background and objectives of IP QoS research, the IP QoS technologies are analyzed on the respects of user traffic control and network service management, and the current status of and problems existed in the research are discussed.

This thesis provides an IP QoS model of converged enterprise/campus network, and expatiates its principles, relevant operation of classifying,queue scheduling,congestion avoiding,priority mapping and policy consistence.

In this paper, we rethink the IP QoS problem from the view of road networks, and put forward that we need an appropriate and statistical IP QoS which can be provided by Internet.

Effect of service quality on customer loyalty of sportswear brands;

Builds up valid mechanism of professional moral construction,improve medical service quality;

The manners of manager and their service quality in digital library;