Abstract:

In order to improve the management system and operational efficiency of IP QoS（Quality of Service） strategy. SLA(Service Level Agreem) parameters are designed based on the SLS(Service Level Specification); describes the strategies; design strategy is stored in the directory server and policy management tool (PMT: Policy Management Tool). Policy Management tools policy setting process is completed the user's network quality of service policy setting function, policy management tools to achieve policy query program on the strategies of network or user to query the warehouse storage strategy functions.Technical development of network quality of service has certain practical significance.

Key words: differentiated service, quality of service（QoS）, policy-based network management（PBNM）, lightweight irectory access protocol(LDAP）