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    • 16. 发明公开
    • MECHANISM FOR PROVIDING QUALITY OF SERVICE IN A NETWORK UTILIZING PRIORITY AND RESERVED BANDWIDTH PROTOCOLS
    • 机理提供服务质量在网络按优先保留的带宽使用和协议
    • EP1546903A1
    • 2005-06-29
    • EP03751947.7
    • 2003-09-03
    • Thomson Licensing S.A.
    • STAHL, Thomas, AnthonyIZZAT, Izzat, HekmatNEWBERRY, Thomas, Patrick
    • G06F15/16
    • H04L67/322H04L29/06H04L47/10H04L47/13H04L47/2408H04L47/2441H04L47/6215H04L47/70H04L47/724H04L47/805H04L47/822H04L69/329
    • An apparatus for providing reserved connections between end stations, in a network, such as the Internet (504), capable of providing prioritized communications, comprises a switch in packet communication with end stations. The switch detects and forwards packets that contain prioritized data for priority processing, and packets that include requests for reserved connections according to a given reservation protocol. Output queues associated with egress ports of the switch correspond to different priorities associated with received priority packets. An additional output queue is associated with reserved connection data packets. In response to a reserved connection request, the switch determines if sufficient bandwidth exists in the switch to establish a reserved path within the network, and if so, allocates the bandwidth for the reserved connection. In response to each received packet, the switch determines whether the packet is associated with the reserved connection and forwards those packets to the additional output queue on the egress port associated with the reserved connection path for transport to the intended destination.
    • 用于提供在网络中能够提供优先化通信的终端站之间保留的连接,:诸如因特网,一种装置,包括:在分组通信用终端站的开关。 交换机检测和转发报文做了包含用于优先级处理优先级的数据,并且分组确实包括用于雅丁给定预留协议保留的连接的请求。 与开关的输出端口相关联的输出队列对应于与接收到的优先级的分组相关联的不同优先级。 附加输出队列与保留的连接的数据分组相关联。 响应于保留的连接请求时,如果bestimmt在开关中存在足够的带宽切换到网络内建立一个保留的路径,所以如果,分配的宽度和用于保留的连接。 响应于每个接收的分组,则开关确定性地雷该分组是否与所述保留的连接相关联,并且这些分组转发到具有用于传输到所述预期目的地所保留的连接路径相关联的输出端口上的额外的输出队列中。