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2. 发明公开

EP1802051A2 Local and remote switching in a communications network 审中-公开
标题翻译：通信网络中的本地和远程交换
公开(公告)号：EP1802051A2
公开(公告)日：2007-06-27
申请号：EP06124606.2
申请日：2006-11-22
申请人： McData Corporation
发明人： Palacharla Subbarao , Chamdani, Joseph I. , Fang Yu
IPC分类号： H04L12/56
CPC分类号： H04L45/00 , H04L45/583 , H04L49/45
摘要： A method, system or switch device, the switch device including an ASIC creating a switching system within the switch device, the ASIC including an ingress packet processor, an egress packet assembly device, a transmit control device and a routing device; whereby the ingress packet processor is disposed to receive a data packet, the routing device is adapted to route the data packet from the ingress packet processor to the egress packet assembly device and the transmit control device is disposed to control the routing of the routing device; the switch device further including an ingress port communicating with the ASIC and being connectable to one or more external computer network devices, the ingress port being a substantially standard switch port; an egress port communicating with the ASIC and being connectable to one or more external computer network devices, the egress port being a substantially standard switch port; and, an extender port, the extender port being connectable to another extender port in loopback fashion and being connectable to a corresponding extender port of a discrete switch device, whereby the extender port operates on a discrete protocol from the standard ports; whereby the ASIC is adapted to provide for alternatively transmitting a data packet locally to the egress port and remotely through the extender port.
摘要翻译：一种方法，系统或交换设备，所述交换设备包括在所述交换设备内创建交换系统的ASIC，所述ASIC包括入口分组处理器，出口分组组装设备，传输控制设备和路由设备; 由此入口分组处理器设置为接收数据分组，路由设备适于将来自入口分组处理器的数据分组路由到出口分组组装设备，并且发送控制设备设置为控制路由设备的路由; 所述交换设备还包括与所述ASIC通信并且可连接到一个或多个外部计算机网络设备的入口端口，所述入口端口是基本上标准的交换端口; 出口端口，与ASIC通信并可连接到一个或多个外部计算机网络设备，出口端口是基本上标准的交换机端口; 和扩展器端口，扩展器端口可以环回方式连接到另一个扩展器端口，并可连接到分立交换机设备的相应扩展器端口，由此扩展器端口以离散协议从标准端口操作; 由此ASIC适于提供交替地将数据分组本地地传输到出口端口并且通过扩展器端口远程地提供。

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