Packet timing measurement
US8537697B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2010 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Jul 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J3/0641
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for performing packet time measurements. In one embodiment, the method comprises transmitting a packet in the network from a sender to a receiver through a plurality of devices; creating a plurality of packets by copying the packet at each of the plurality of devices as the packet is being transmitted through the plurality of devices, including adding a time stamp to each packet in the plurality of packets, wherein time stamps of plurality of packets are generated with data from time stamp engines synchronized to a global clock; sending the plurality of packets with their time stamps to a tool; and performing analysis on the plurality of packets using the tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.