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    • 29. 发明授权
    • Negotiating power between power sourcing equipment and powerable devices
    • 电源设备和电源设备之间的谈判能力
    • US08266463B2
    • 2012-09-11
    • US12054176
    • 2008-03-24
    • Premkumar JonnalaNorman W. FinnQiang WuRuchir M. Dave
    • Premkumar JonnalaNorman W. FinnQiang WuRuchir M. Dave
    • G06F1/00
    • G06F1/26G06F1/28
    • The present invention provides a power negotiation protocol that enables PDs and PSEs to negotiate the amount of inline power that a PD consumes and the corresponding PSE provides. This power negotiation allows the PDs provide fine-grained power consumption level to PSEs, and the PSEs are able to manage inline power efficiently using the negotiation protocol of the present invention. The PDs can ask the PSEs for more power when needed rather than having to constantly reserve the maximum amount of power they can consume at all times. Similarly, the PDs can release reservation of excess power when their respective power requirements decrease. The PSEs can limit the amount of power that can be consumed by the PD, thereby providing the ability for an administrator to control how much power a given PD can consume.
    • 本发明提供了一种功率协商协议,其使PD和PSE能够协商PD消耗的对等功率量和相应的PSE提供的功率。 该功率协商允许PD为PSE提供细粒度的功耗级别,并且PSE能够使用本发明的协商协议有效地管理在线功率。 PD可以在需要时向PSE询问更多的功率,而不必一直保留他们可以随时消耗的最大功率。 类似地,当它们各自的功率需求降低时,PD可以释放多余功率的预留。 PSE可以限制PD可以消耗的功率量,从而提供管理员控制给定PD可以消耗多少功率的能力。