Abstract: How to provide end-to-end QoS in IPv6 over MPLS network? This paper proposes a 6PE-DiffServ solution.This solution deploys 6PE approach in IPv6 over MPLS networks and provides differentiated service for the transition network from IPv4 to IPv6，by deploying unified DiffServ policy and using BB-6PE（Bandwidth Broker for 6PE network）.The feasibility and effectiveness of 6PE-DiffServ solution has been verified in CNGI-QoS test bed.

摘要： 如何在IPv6 over MPLS网络中提供端到端的服务质量？针对这个问题介绍了一个6PE-DiffServ解决方案（6PE，IPv6 Provider Edge Routers）。该方案使用6PE技术进行组网，通过统一的DiffServ策略的部署和BB-6PE（Bandwidth Broker for 6PE network）的集中管理，给由IPv4向IPv6过渡的网络提供DiffServ服务。6PE-DiffServ方案的可行性和有效性在CNGI-QoS实验网中得到了验证。