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专利名称：Network monitoring system with built-in
monitoring data gathering
发明人：Walker, Richard C.,Amrutur,
Bharadwaj,Mottishaw, Peter,Joiner, C.Steven,Chesler, Larry A.,Hardcastle, Ian
申请号：EP01110258.9申请日：20010425公开号：EP1152570A3公开日：20030122
专利附图：
摘要：The network monitoring system (100, 200, 300) comprises a network router
(102, 202, 302) with built-in monitoring data gathering. The network router includeschannels (e.g., CH1) through which data pass in packets. Each of the packets includes apacket header. The network router additionally includes a header copier (150, 262) and apacket generator (1, 2). The header copier generates a header copy from the packetheader of at least some of the packets. The packet generator receives the header copiesand forms monitoring data packets from them. Each monitoring data packet additionallyrepresents temporal data relating to the header copies included in it. A method ofobtaining performance data relating to a data transmission network (e.g., 220) thatincludes a node (e.g., 202) passes (402) data through the node in packets. Each of thepackets includes a packet header. At least some of the packet headers are copied (404)to obtain respective header copies as monitoring data from which monitoring datapackets are formed (406). The monitoring data packets additionally represent temporaldata relating to the header copies included in them. The monitoring data packets aretransmitted (408) and the performance data are generated (410) from the monitoringdata contained in the monitoring data packets.
申请人：Agilent Technologies, Inc. (a Delaware corporation)
地址：395 Page Mill Road Palo Alto, CA 94303 US
国籍：US
代理机构：Liesegang, Eva
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