Tuesday, March 16, 2010

the Third Generation of mobile system


The advantage of the Third Generation of mobile system(3G) is that the network providers could make full use of the edge-cutting technologies to provide a wide range of applications for subscribers.These north face jackets are your best choice!With the interaction between mobile network and the Internet grows constantly at a high speed,how to provide an efficient Quality of Service(QoS) guarantee scheme between IP(Internet Protocol) network and UMTS (Universal Mobile Telecommunication System) has already become a focus in the field of end-to-end QoS.I want a pair of cheap nike shoes.This paper firstly presents the QoS schemes in the IP network,mainly the Integrated Services(IntServ) and the Differentiated Services(DiffServ) proposed by IETF(Internet Engineering Task Force),and does the comparison between them.I like chi pink dazzle. Meanwhile,the QoS architecture of UMTS is also analyzed in this paper,especially the QoS management functionality,the traffic classes and the QoS negotiation process in it.
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