专利名称：Network monitoring system with built-in
monitoring data gathering
发明人：Richard C. Walker,Bharadwaj Amrutur,Peter
Mottishaw,C. Steven Joiner,Larry A.Chesler,Ian Hardcastle
申请号：US09816605申请日：20010323
公开号：US20010039580A1公开日：20011108
摘要：The network monitoring system comprises a network router with built-inmonitoring data gathering. The network router includes channels through which datapass in packets. Each of the packets includes a packet header. The network routeradditionally includes a header copier and a packet generator. The header copiergenerates a header copy from the packet header of at least some of the packets. Thepacket generator receives the header copies and forms monitoring data packets fromthem. Each monitoring data packet additionally represents temporal data relating to theheader copies included in it. A method of obtaining performance data relating to a datatransmission network that includes a node passes data through the node in packets. Eachof the packets includes a packet header. At least some of the packet headers are copiedto obtain respective header copies as monitoring data from which monitoring datapackets are formed. The monitoring data packets additionally represent temporal datarelating to the header copies included in them. The monitoring data packets aretransmitted and the performance data are generated from the monitoring data
contained in the monitoring data packets.
申请人：WALKER RICHARD C.,AMRUTUR BHARADWAJ,MOTTISHAW PETER,JOINER C.STEVEN,CHESLER LARRY A.,HARDCASTLE IAN
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