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    • 27. 发明申请
    • MESSAGE COMPRESSION METHODS AND APPARATUS
    • 信息压缩方法和装置
    • WO2008046096A2
    • 2008-04-17
    • PCT/US2007/081360
    • 2007-10-15
    • QUALCOMM IncorporatedTSIRTSIS, GeorgePARK, VincentSOLIMAN, Hesham
    • TSIRTSIS, GeorgePARK, VincentSOLIMAN, Hesham
    • H04W28/06H04L69/04H04W80/04
    • Methods and apparatus for compressing messages used to support mobile communications are described. After transmission of a first mobile IP message which may be a conventional mobile IP message, a compressed mobile IP message is transmitted. The compressed message includes a new "compressed message" indicator and information which is to replace information in the previous message or to be added to the previous message to construct a new message. In some embodiments, the compressed message includes a mask field, e.g., a sequence of bits, each bit corresponding to one field of a standard registration request message or binding update message. If the mask flag bit corresponding to a field is set, it indicates that the compressed message includes information to replace the content in the corresponding field of the previous message or to be added to the previous message as a field corresponding to the asserted bit.
    • 描述了用于压缩用于支持移动通信的消息的方法和设备。 在传输可能是常规移动IP消息的第一移动IP消息之后,发送压缩的移动IP消息。 压缩的消息包括新的“压缩消息” 指示符和信息,用于替换先前消息中的信息或将其添加到先前消息中以构建新消息。 在一些实施例中,压缩消息包括掩码字段,例如比特序列,每个比特对应于标准注册请求消息或绑定更新消息的一个字段。 如果对应于一个字段的掩码标志位被设置,则它表示压缩的消息包括用于替换前一个消息的相应字段中的内容或者将被添加到前一个消息中的信息作为与所声明的位相对应的字段的信息。 / p>
    • 29. 发明申请
    • METHOD AND APPARATUS FOR PROVIDING AUTHENTICATION, AUTHORIZATION AND ACCOUNTING ROAMING NODES
    • 提供认证,授权和会计通知的方法和装置
    • WO2004036823A1
    • 2004-04-29
    • PCT/US2003/032498
    • 2003-10-14
    • FLARION TECHNOLOGIES, INC.O'NEILL, AlanVANDERVEEN, MichaelaTSIRTSIS, GeorgePARK, Vincent
    • O'NEILL, AlanVANDERVEEN, MichaelaTSIRTSIS, GeorgePARK, Vincent
    • H04L9/00
    • H04W12/06H04L63/061H04L63/08H04L63/0869H04L63/0892H04W12/04
    • The invention proposes an integrated process of authorizing and securing at layer 2 (L2) followed by layer 3 (L3). The L3 process treats the wireless link as any normal IP access link, and the L3 authorisation provides L3 processing, but also includes the L2 terminal authentication identifiers so that the L2 security parameters can also be returned. This means that the wireless link and the IP layer are not secured until after the L3 authorisation has completed and therefore the first IP messages that trigger authorisation are sent insecurely. This invention also provides methods to avoid these insecure messages presenting any opportunities to an attack. This inventions include methods to enable L3 before L2 authorisation when a user is roaming in a foreign network (480). These enable different types of AAA servers (450) in the foreign domain (480) to work with different types of AAA servers (460) in the home domain (470) to provide dynamic assignment of foreign mobility agents and the associated security associations between home and foreign mobility agents, as well a temporary account in the foreign domain (480). These methods apply both to standard MIP as well as Nested MIP, and to different types of Mobile Node apparatus and a range of user, host and terminal authentication models.
    • 本发明提出了在层2(L2)和层3(L3)之间授权和保护的综合过程。 L3过程将无线链路视为任何正常的IP接入链路,L3授权提供L3处理,但也包括L2终端认证标识符,从而也可以返回L2安全参数。 这意味着在L3授权完成之后,无线链路和IP层不被保护,因此触发授权的第一个IP消息被不安全地发送。 本发明还提供了避免这些不安全的消息呈现攻击机会的方法。 本发明包括当用户在外部网络漫游时在L2授权之前启用L3的方法(480)。 这些使得国外域(480)中的不同类型的AAA服务器(450)能够与归属域(470)中的不同类型的AAA服务器(460)一起工作,以提供外部移动代理的动态分配以及家庭之间的相关联的安全关联 和国外移动代理,以及外国的临时帐户(480)。 这些方法既适用于标准MIP以及嵌套MIP,也适用于不同类型的移动节点设备和一系列用户,主机和终端认证模型。