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《Telecommunications Network Technology》 2009-06
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Realization of IMS Services Local Breakout in EPC Network

EPC will be the bear network of the future Mobile Core Network.As the service control layer,IMS will provide multimedia services for the user.In the roaming cases,local breakout will be used to route the media of the user plane.A roaming architecture supporting local breakout is given in the article.The selection of the S-GW and P-GW is also being analyzed.There are two way for the user to access to the IMS network,each of it is deeply discussed in the paper,and the difference of two scheme is also discussed.At the end of the paper,the problem will be faced when deployed local breakout is being analyzed,and a way to solve the problem is given.
【Fund】: 国家重大专项基金资助项目(2008ZX03004-001)
【CateGory Index】: TN929.5
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