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1.发明公开
公开(公告)号：EP2074755A4
公开(公告)日：2012-07-11
申请号：EP07837582
申请日：2007-08-31
申请人： TELCORDIA TECH INC , KDDI CORP
发明人： DUTTA ASHUTOSH , LEE JOHN , DAS SUBIR , LIN JOE , CHIBA TSUNEHIKO , YOKOTA HIDETOSHI , IDOUE AKIRA , MANOUSAKIS KYRIAKOS , GHOSH ABHRAJIT
CPC分类号： H04W8/082 , H04L65/1006 , H04L65/1073 , H04W8/06 , H04W80/04 , H04W80/10
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2.发明公开SYSTEM METHOD AND PROGRAM FOR TELECOM INFRASTRUCTURE VIRTUALIZATION AND MANAGEMENT 审中-公开系统，方法和程序虚拟化和管理电信基础设施
公开(公告)号：EP2609522A4
公开(公告)日：2014-10-29
申请号：EP11820703
申请日：2011-08-26
申请人： TELCORDIA TECH INC , KDDI CORP
发明人： DUTTA ASHUTOSH , MAKAYA CHRISTIAN , CHEE DANA , DAS SUBIR , LIN FUCHUN JOSEPH , KOMORITA SATOSHI , CHIBA TSUNEHIKO , YOKOTA HIDETOSHI , FALCHUK BENJAMIN , ITO MANABU , ALATHURAI SURENDRAN
IPC分类号： G06F15/173 , G06F9/50 , H04L12/24 , H04L12/26 , H04L29/08
CPC分类号： H04L43/0817 , G06F9/5083 , G06F2209/5013 , H04L41/0853 , H04L41/12 , H04L41/5096 , H04L43/10 , H04L67/148
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3.发明公开FLEXIBLE MOBILITY FRAMEWORK FOR HETEROGENEOUS ROAMING IN NEXT GENERATION WIRELESS NETWORKS 有权灵活的移动性新框架异构漫游无线网络下一代
公开(公告)号：EP2111585A4
公开(公告)日：2010-12-08
申请号：EP07853464
申请日：2007-12-21
申请人： TELCORDIA TECH INC , KDDI CORP
发明人： DUTTA ASHUTOSH , LIN FUCHUN JOE , CHIBA TSUNEHIKO , DAS SUBIR , YOKOTA HIDETOSHI , IDOUE AKIRA , CHEE DANA
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公开(公告)号：EP2067297A4
公开(公告)日：2011-01-19
申请号：EP07838134
申请日：2007-09-11
申请人： TELCORDIA TECH INC , KDDI CORP
发明人： DUTTA ASHUTOSH , GHOSH ABHRAJIT , DAS SUBIR , LIN JOE , CHIBA TSUNEHIKO , YOKOTA HIDETOSHI , IDOUE AKIRA , MANOUSAKIS KYRIAKOS , CHEE DANA
CPC分类号： H04W36/0038 , H04L63/0272 , H04L63/164 , H04L65/1016 , H04W12/02 , H04W12/04
摘要： A mechanism by which handoff delay can be minimized while not compromising the IMS/MMD security and also protecting the media if required by certain applications is presented. Methods for mitigating delay during SA re-association and mitigating the IPSec tunnel overhead for signaling and media at the Mobile Node are given. In one embodiment, SA keys can be transferred from the old P-CSCF to new P-CSCF, enabling the establishment of SAs before Mobile Node physically moves to the new subnet in a network. Proactive handover is used. In another embodiment, SA keys are transferred from S-CSCF to new P-CSCF. In this case, the SA keys are transferred to the new P-CSCF by S-CSCF through a context transfer mechanism well in advance so that SAs may be established before Mobile Node physically moves to new subnet. In another embodiment, methods for mitigating IPSec tunnel overhead are presented.
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公开(公告)号：EP2548334A4
公开(公告)日：2015-07-01
申请号：EP11756908
申请日：2011-03-16
申请人： TELCORDIA TECH INC , KDDI CORP
发明人： DUTTA ASHUTOSH , MAKAYA CHRISTIAN , CHEE DANA , DAS SUBIR , LIN FUCHUN JOSEPH , KOMORITA SATOSHI , CHIBA TSUNEHIKO , YOKOTA HIDETOSHI , FALCHUK BENJAMIN , ITO MANABU
CPC分类号： H04L67/16 , H04L63/102 , H04L65/1016 , H04L65/1096 , H04L67/303
摘要： An overlay service network and method for delivering a multimedia service. The overlay service network comprises a user interface for subscribers to request an available service as a requested service, a register server for registering and storing a database of available services, a plurality of service nodes for executing at least one available service and a controller for receiving a request for an available service, searching the register server for the requested service, selecting one or more of the plurality of service nodes to execute the requested service and establishing a chaining sequence between a node requesting the service, the one or more selected execution nodes and a destination node to execute the requested service.
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公开(公告)号：EP2151130A4
公开(公告)日：2012-07-25
申请号：EP08724937
申请日：2008-01-30
申请人： TELCORDIA TECH INC , KDDI CORP
发明人： DUTTA ASHUTOSH , DAS SUBIR , LIN FUNCHUN JOE , CHIBA TSUNEHIKO , YOKOTA HIDETOSHI , CHEE DANA
CPC分类号： H04W8/082 , H04W80/04 , H04W88/182
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公开(公告)号：EP2067364A4
公开(公告)日：2012-07-11
申请号：EP07838064
申请日：2007-09-11
申请人： TELCORDIA TECH INC , KDDI CORP
发明人： DUTTA ASHUTOSH , GHOSH ABHRAJIT , DAS SUBIR , CHEE DANA , MANOUSAKIS KYRIAKOS , LIN JOE , CHIBA TSUNEHIKO , YOKOTA HIDETOSHI , IDOUE AKIRA , LI SHIH-WEI
CPC分类号： H04W36/0038 , H04L65/1016 , H04L65/1083 , H04W12/06 , H04W36/0016 , H04W80/10
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