IPv6 over MPLS网络的QoS研究——6PE管理子系统的设计与实现.docx

北京邮电大学硕士研究生学位论文IPV6 北京邮电大学硕士研究生学位论文IPV6 MPLS网络中的QoS研究——6PE管理了系统的设计与实现 Research of QoS in IPV6 oVer MPLS Ne帆ork ——Design and Implementation of 6PE management subsystem AB STRACT With the wide eXtension of Int咖et and the increasing of Application based on Intemet，IP networks are experiencing transIIlissions f如m single data netwofks to multi．service netwofI(s．The rising application of voice and multimedia aU have smct demands with me t啪smission parameters of network bandwidth、 delay and i itterbut the traditional Intemet which provides only best．e肋rt seⅣice could not satis囟this request．Meanwhile， IPV6 protocol is superior to IPV4 on address management，security aIld mobility management．These advantages insure IPv6’s core position in Next Generation Network(NGN)．How to solve the QoS problem in IPv6 environment is the key issue impacting the development of NGN and dght me key research contents of the CNGI-QoS project． No、M main version of IP in use is IPv4，and it is impossible to update to IPv6 in one night．So，mere will be a transition network舶m IPv4 to IPv6．And some techniques are needed to support this network． Fortunatelymany n娟vork experts do a lot of researches in this domain． As a popular techn0109y about IPV6 oVer MPLS，6PE has been supported by many equipment manufactures．This thesis studies how to provide OoS management for 6PE network． This thesis，which focuses on MPLS Dif璐erv support mechanisms and 6PE technology，giVes a short reView of basic IP QoS mechanisms， IPV6 protoc01，MPLS tectlIlology and imegration techn0109y of IPV6 and MPLS．A solution to provide end．to．end differentiated services for 6PE network(6PE．Dif|瞎erv solution)is introduced，wim the integration of MPLS Difjfserv support mechanisms and 6PE techn0109y．And the principle of 6PE。Dif硌erv is elaborated in details．Based on 6PE．Dif璐erv solution，CNGI QoS management system is expanded to support QoS management for both the IPv6 networks and 6PE rletworks．The extensiOn of the system is known as the 6PE ma