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    • 6. 发明申请
    • POLICY BASED CRYPTOGRAPHIC KEY DISTRIBUTION FOR NETWORK GROUP ENCRYPTION
    • 网络组加密的基于策略的CRYPTOGRAPHIC关键分配
    • US20160344711A1
    • 2016-11-24
    • US14717681
    • 2015-05-20
    • ALCATEL-LUCENT CANADA, INC.
    • Mohammad Reza RokuiRajesh Kumar PaidaCarl Rajsic
    • H04L29/06
    • H04L63/061H04L9/0833H04L9/0891H04L63/062H04L63/065H04L63/0853
    • Various embodiments include a method for managing a group of devices in communication with each other and sharing a set of keys. The method may include opening a secure channel with each of two devices from the group; providing the set of keys to the two devices from the group, wherein the set of keys include an encryption and an authentication key; indicating to the two devices to begin using the set of keys; and performing an audit process including verifying that nodes within a key group have the same copy of encryption and authentication keys. Embodiments of the method may include synchronization, active/standby redundancy and the ability to manage the network when some nodes perform the data encryption and some node do not, do, or when both encrypted and non-encrypted tunnels and services can work together.
    • 各种实施例包括用于管理彼此通信并共享一组密钥的一组设备的方法。 该方法可以包括从组中的两个设备中的每一个打开安全通道; 向组中的两个设备提供该组密钥,其中该组密钥包括加密和认证密钥; 指示两台设备开始使用该组密钥; 并且执行审核过程,包括验证密钥组中的节点具有相同的加密和认证密钥副本。 该方法的实施例可以包括同步,主动/备用冗余以及当一些节点执行数据加密时管理网络的能力,并且某些节点没有,或者当加密和非加密隧道和服务都可以一起工作时。
    • 9. 发明申请
    • MINIMIZING NETWORK BANDWIDTH FOR TDM CES
    • 最小化TDM CES的网络带宽
    • US20160094441A1
    • 2016-03-31
    • US14501721
    • 2014-09-30
    • ALCATEL-LUCENT CANADA INC.
    • Kin Yee WongChad V. Mccarthy
    • H04L12/721H04L12/911H04L12/723H04J3/06
    • H04L45/68H04J3/0632H04J3/14H04L47/25H04L47/283
    • A method and system are provided for reducing bandwidth usage in TDM CES systems. When a transmitting router receives a signal that the status of the access circuit is other than “normal”, and that therefore any TDM data arriving over the access circuit is not valid, the transmitting router signals a receiving router at the far end of a TDM Pseudowire that no packets for the TDM Pseudowire will be sent, and does not send any packets over the TDM Pseudowire, not even packets with empty payloads. When the receiving router receives such a signal, it starts to generate its own packets for placing in its jitter buffer. Valid packets already within the jitter buffer are played out to the access port, but once this runs out dummy packets placed in the jitter buffer by the router are played out. In this way, the jitter buffer maintains its fill level even when no packets are being sent across the TDM Pseudowire. Only when the transmitting router receives notification that the status of its access circuit has returned to normal does the transmitting router signal the receiving router that status has returned to normal, and begins sending packets once again. The method and system thereby reduce the bandwidth usage in TDM CES systems by refraining from needlessly sending meaningless packets over the TDM-Pseudowire.
    • 提供了一种减少TDM CES系统带宽使用的方法和系统。 当发送路由器接收到访问电路的状态不是“正常”的信号,并且因此通过接入电路到达的任何TDM数据无效时,发送路由器向TDM的远端的接收路由器发信号 伪线将不会发送TDM伪线的数据包,并且不会通过TDM伪线发送任何数据包,甚至不带有空载荷的数据包。 当接收路由器接收到这样的信号时,它开始产生自己的数据包,放置在其抖动缓冲区中。 已经在抖动缓冲区内的有效数据包被发送到接入端口,但是一旦这样的话,就会播放路由器放在抖动缓冲器中的虚拟数据包。 这样,即使没有在TDM伪线上发送数据包,抖动缓冲器仍保持其填充级别。 只有当发送路由器接收到其访问电路的状态恢复正常的通知时,发送路由器才会向状态已恢复正常的接收路由器发出信号,并再次开始发送数据包。 该方法和系统通过避免在TDM-Pseudowire上不必要地发送无意义的分组来减少TDM CES系统中的带宽使用。