Patent ID: 8451817
Filing Date: 2013-05-28
Classification: H04L

Abstract:
1. A network device comprising: a duplicate packet map (DPM), wherein said DPM comprises said first DPM field is designated as a previous time interval field, said second DPM field is designated as a current time interval field, said previous time interval field corresponds to a previous time interval, said current time interval field corresponds to a current time interval, said previous time interval occurs before said current time interval, said previous time interval is substantially equal in duration to said current time interval, and said previous time interval is distinct from said current time interval; a packet summary value (PSV) generator, wherein said DPM is coupled to said PSV generator, said PSV generator is configured to, responsive to receiving a packet, said DPM is configured to receive said PSV; and a DPM bank, wherein said DPM bank is configured to store a plurality of DPMs, said plurality of DPMs comprises said DPM, and said DPM bank further comprises