Localizing a remote event timestamp from a network device...

Details Localizing a remote event timestamp from a network device... Localizing a remote event timestamp from a network device...

2005-01-28

2009-02-24

Wang, Liangche A (Department: 2453)

Electrical computers and digital processing systems: multicomput

Multicomputer synchronizing

C709S200000, C709S223000, C709S224000, C709S228000

Reexamination Certificate

active

07496686

ABSTRACT:
A timestamp localization method and device includes two processors with independent clocks connected to a communication network. Two messages are exchanged between the processors. First a request message is sent with a transmit timestamp. Second, a reply message is sent back with receive, originate, transmit and remote timestamps. Then the remote timestamp is converted to a local timestamp using an algorithm and the timestamps from the reply message.

REFERENCES:
patent: 6587875 (2003-07-01), Ogus
patent: 6687752 (2004-02-01), Falco et al.
patent: 6954818 (2005-10-01), Kent
patent: 2003/0220105 (2003-11-01), Daigremont et al.
patent: 2006/0153182 (2006-07-01), Lockridge et al.
D. Mills, Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI, pp. 1-18.

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