Arrangements for monitoring or testing packet switching networks

HELECTRICITY H04Electric communication H04LTRANSMISSION OF DIGITAL INFORMATION

H04L43/00Arrangements for monitoring or testing packet switching networks

H04L43/02involving a reduction of monitoring data H04L43/022using sampling of monitoring data H04L43/024using adaptive sampling H04L43/026using flow generation H04L43/028using filtering H04L43/04Processing of captured monitoring data H04L43/045for graphical visualization of monitoring data H04L43/06Report generation H04L43/062for traffic related reporting H04L43/065for device related reporting H04L43/067for time frame related reporting H04L43/08Monitoring based on specific metrics H04L43/0805Availability H04L43/0811Connectivity H04L43/0817functioning H04L43/0823Errors H04L43/0829Packet loss H04L43/0835One way packet loss H04L43/0841Round trip packet loss H04L43/0847Transmission error H04L43/0852Delays H04L43/0858One way delays H04L43/0864Round trip delays H04L43/087Jitter H04L43/0876Network utilization H04L43/0882Utilization of link capacity H04L43/0888Throughput H04L43/0894Packet rate H04L43/10using active monitoring H04L43/103with adaptive polling H04L43/106by adding timestamps to packets H04L43/12using dedicated network monitoring probes H04L43/14using software H04L43/16using threshold monitoring H04L43/18using protocol analyzers H04L43/50Testing arrangements