QoS Solution to NGN IP Carrying Network of Petro China

In order to optimize and manage the network resources,this document presents the core network and access network QoS several means to solve the problem.And approved the backbone layer,the convergence layer and the network access layer three different levels to the different technical means to achieve NGN bearer network QoS strategy that final adoption in the business side of access,network QoS strategy side of the core network business services quality assurance.