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    • 21. 发明授权
    • Hierarchical energy optimization for datacenter networks
    • 数据中心网络的分层能量优化
    • US08700928B2
    • 2014-04-15
    • US13819267
    • 2012-05-21
    • Nirwan AnsariYan Zhang
    • Nirwan AnsariYan Zhang
    • G06F1/00G06F1/26G06F1/32G06F15/173H04L12/28
    • G06F1/32G06F1/26G06F1/3203G06F1/3278G06F1/3287Y02D10/157Y02D10/171
    • Technologies are presented for power optimization of datacenter networks in a hierarchical perspective. In some examples, a two-level power optimization model may be established to reduce the power consumption of datacenter networks by switching off network switches and links while still guaranteeing full connectivity and maximum link utilization. The model may be implemented by solving a capacitated constraint multi-commodity flow (CMCF) problem employing simple heuristic techniques. A power status of network switches may be determined according to a network traffic matrix and the CMCF optimization determined at core-level and at pod-level. A complementary process to provision whole network connectivity and to meet quality of service (QoS) goals may also be performed.
    • 针对数据中心网络的功能优化技术进行了分层分析。 在一些示例中,可以建立两级功率优化模型,以通过关闭网络交换机和链路来减少数据中心网络的功耗,同时仍然保证完全连接和最大链路利用率。 该模型可以通过使用简单的启发式技术来求解容许约束多商品流(CMCF)问题来实现。 网络交换机的电源状态可以根据网络流量矩阵确定,CMCF优化在核心级别和pod级确定。 也可以执行提供整个网络连接和满足服务质量(QoS)目标的补充过程。
    • 23. 发明授权
    • Method and apparatus for transmitting data
    • 用于传输数据的方法和装置
    • US08611264B2
    • 2013-12-17
    • US11968531
    • 2008-01-02
    • Yan Zhang
    • Yan Zhang
    • G08C17/00
    • H04W52/0216H04W72/005Y02D70/00
    • A method for transmitting data includes: acquiring a Multicast and Broadcast Service Mapping Information Element (MBS_MAP_IE) and MBS data corresponding to the MBS_MAP_IE; wherein the MBS_MAP_IE carries a parameter for indicating the frame position of the next MBS_MAP_IE; setting a sleep duration according to the parameter for indicating the frame position of the next MBS_MAP_IE; and acquiring the next MBS_MAP_IE and MBS data corresponding to the next MBS_MAP_IE when the sleep duration expires. By applying the present invention, it is unnecessary for a mobile terminal to receive an MBS mapping message, so that the sleep duration of the mobile terminal is increased and thus the power consumption of the mobile terminal is reduced.
    • 一种用于发送数据的方法包括:获取与MBS_MAP_IE对应的多播和广播服务映射信息元素(MBS_MAP_IE)和MBS数据; 其中所述MBS_MAP_IE携带用于指示下一MBS_MAP_IE的帧位置的参数; 根据用于指示下一个MBS_MAP_IE的帧位置的参数来设置睡眠持续时间; 并且当睡眠持续时间到期时,获取对应于下一个MBS_MAP_IE的下一个MBS_MAP_IE和MBS数据。 通过应用本发明,移动终端无需接收MBS映射消息,使得移动终端的睡眠持续时间增加,从而降低了移动终端的功耗。