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    Security optimization for IMS/MMD architecture
    5.
    发明授权
    Security optimization for IMS/MMD architecture 有权
    IMS / MMD架构的安全优化

    公开(公告)号：US09025771B2

    公开(公告)日：2015-05-05

    申请号：US11900619

    申请日：2007-09-11

    申请人： Ashutosh Dutta ,  Abhrajit Ghosh ,  Subir Das ,  Fuchun Joesph Lin ,  Kyriakos Manousakis ,  Dana Chee ,  Tsunehiko Chiba ,  Hidetoshi Yokota ,  Akira Idoue

    发明人： Ashutosh Dutta ,  Abhrajit Ghosh ,  Subir Das ,  Fuchun Joesph Lin ,  Kyriakos Manousakis ,  Dana Chee ,  Tsunehiko Chiba ,  Hidetoshi Yokota ,  Akira Idoue

    IPC分类号： H04K1/00 ,  H04W36/00 ,  H04L29/06

    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.

    摘要翻译： 呈现切换延迟最小化的机制，同时不影响IMS / MMD安全性，并且在某些应用需要时还可以保护媒体。 给出了在SA重新关联过程中减轻延迟并减轻移动节点上用于信令和媒体的IPSec隧道开销的方法。 在一个实施例中，SA密钥可以从旧的P-CSCF传送到新的P-CSCF，使得能够在移动节点物理移动到网络中的新子网之前建立SA。 使用主动切换。 在另一实施例中，SA密钥从S-CSCF传送到新的P-CSCF。 在这种情况下，SA密钥由S-CSCF通过上下文传送机制预先传送到新的P-CSCF，以便SA可以在移动节点物理移动到新的子网之前被建立。 在另一个实施例中，提出了用于减轻IPSec隧道开销的方法。

    Security optimization for IMS/MMD architecture
    7.
    发明申请
    Security optimization for IMS/MMD architecture 有权
    IMS / MMD架构的安全优化

    公开(公告)号：US20080072310A1

    公开(公告)日：2008-03-20

    申请号：US11900619

    申请日：2007-09-11

    申请人： Ashutosh Dutta ,  Abhrajit Ghosh ,  Subir Das ,  Joesph Lin ,  Kyriakos Manousakis ,  Dana Chee ,  Tsunehiko Chiba ,  Hidetoshi Yokota ,  Akira Idoue

    发明人： Ashutosh Dutta ,  Abhrajit Ghosh ,  Subir Das ,  Joesph Lin ,  Kyriakos Manousakis ,  Dana Chee ,  Tsunehiko Chiba ,  Hidetoshi Yokota ,  Akira Idoue

    IPC分类号： H04L9/00

    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.

    摘要翻译： 呈现切换延迟最小化的机制，同时不影响IMS / MMD安全性，并且在某些应用需要时还可以保护媒体。 给出了在SA重新关联过程中减轻延迟并减轻移动节点上用于信令和媒体的IPSec隧道开销的方法。 在一个实施例中，SA密钥可以从旧的P-CSCF传送到新的P-CSCF，使得能够在移动节点物理移动到网络中的新子网之前建立SA。 使用主动切换。 在另一实施例中，SA密钥从S-CSCF传送到新的P-CSCF。 在这种情况下，SA密钥由S-CSCF通过上下文传送机制预先传送到新的P-CSCF，以便SA可以在移动节点物理移动到新的子网之前被建立。 在另一个实施例中，提出了用于减轻IPSec隧道开销的方法。

    System and method for evaluating multiple connectivity options
    9.
    发明授权
    System and method for evaluating multiple connectivity options 有权
    用于评估多个连接选项的系统和方法

    公开(公告)号：US08868791B2

    公开(公告)日：2014-10-21

    申请号：US12541555

    申请日：2009-08-14

    申请人： David Famolari ,  Kyriakos Manousakis ,  Kaustubh Sinkar

    发明人： David Famolari ,  Kyriakos Manousakis ,  Kaustubh Sinkar

    IPC分类号： G06F15/16 ,  H04L29/06 ,  H04W48/18 ,  H04W88/06 ,  H04W48/16

    CPC分类号： H04W48/18 ,  H04L69/18 ,  H04W48/16 ,  H04W88/06

    摘要： This present application relates to, among other things, novel techniques to evaluate and qualify multiple networking options. A device contains multiple network connectivity options, including but not limited to various wireless and wired technologies such as Wi-Fi, 3G, WiMAX, LTE, Ethernet, Bluetooth, UWB, WHDMI, etc. Each connectivity option can be evaluation and pre-qualified prior to the user selecting that mode of communication. This evaluation process takes into account both lower-layer information such as signal strength, bit error rates, SNR, interference, etc. but also network-layer information such as IP connectivity, and end-to-end path performance.

    摘要翻译： 本申请尤其涉及评估和限定多个联网选项的新颖技术。 设备包含多种网络连接选项，包括但不限于Wi-Fi，3G，WiMAX，LTE，以太网，蓝牙，UWB，WHDMI等各种无线和有线技术。每个连接选项都可以进行评估和预先认证 在用户选择该通信模式之前。 该评估过程考虑了诸如信号强度，误码率，SNR，干扰等低层信息，还考虑了诸如IP连接性和端到端路径性能的网络层信息。

    Pre-evaluation of multiple network access points
    10.
    发明授权
    Pre-evaluation of multiple network access points 有权
    预先评估多个网络接入点

    公开(公告)号：US08345599B2

    公开(公告)日：2013-01-01

    申请号：US12569719

    申请日：2009-09-29

    申请人： David Famolari ,  Kyriakos Manousakis ,  Kaustubh Sinkar

    发明人： David Famolari ,  Kyriakos Manousakis ,  Kaustubh Sinkar

    IPC分类号： H04W4/00

    CPC分类号： H04W48/17 ,  H04W24/06 ,  H04W80/04

    摘要： The present application describes, inter alia, novel techniques to perform pre-evaluations of multiple Wi-Fi Access Points (AP) and Access Networks (AN). A pre-evaluation determines whether or not an AP is connected to the Internet and measures the path performance that the AN, via that particular AP, can offer between the mobile device and a pre-specified Internet host. In addition, the invention also discloses methods to determine whether the AN requires a user to actively authenticate themselves through a redirect log-on page.

    摘要翻译： 本申请尤其描述了用于执行多个Wi-Fi接入点（AP）和接入网络（AN）的预评估的新技术。 预评估确定AP是否连接到因特网并且测量通过该特定AP可以在移动设备和预先指定的因特网主机之间提供的AN的路径性能。 此外，本发明还公开了确定AN是否要求用户通过重定向登录页面主动认证自身的方法。