Patent ID: 7649845
Filing Date: 2010-01-19
Classification: H04L

Abstract:
1. A method comprising: receiving time-stamped packets from at least two sources at a destination of a network; calculating a transit time for each of the time-stamped packets received from the corresponding source at the destination; determining if the transit time for at least one of the time-stamped packets exceeds a threshold transit time for a source-destination pair associated with the at least one of the time-stamped packets, the threshold transit time stored in a table of a router of the destination, the table including a plurality of entries each including a source-destination pair and a threshold transit time; and detecting, at the destination, a hot spot and a location of the hot spot in the network remote to the destination and the at least two sources if at least one of the time-stamped packets from the at least two sources exceeds the corresponding threshold transit time, based on the location of the at least two sources and the corresponding transit times.