US 9,814,008 B2
Methods, systems, and computer readable media for receiving a clock synchronization message
Marius Pavel Nistor, Bucharest (RO)
Assigned to IXIA, Calabasas, CA (US)
Filed by Ixia, Calabasas, CA (US)
Filed on Dec. 16, 2014, as Appl. No. 14/572,746.
Claims priority of application No. 14-00985 (RO), filed on Dec. 15, 2014.
Prior Publication US 2016/0174178 A1, Jun. 16, 2016
Int. Cl. H04W 56/00 (2009.01); H04L 29/08 (2006.01); H04L 29/06 (2006.01); H04L 12/26 (2006.01); H04L 12/24 (2006.01)
CPC H04W 56/0015 (2013.01) [H04L 63/00 (2013.01); H04L 67/10 (2013.01); H04L 41/5038 (2013.01); H04L 41/5067 (2013.01); H04L 43/087 (2013.01); H04L 43/0858 (2013.01); H04L 43/50 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method for receiving a clock synchronization message, the method comprising:
at a first node configured to operate on a protected side of a firewall device:
sending, via the firewall device and to a second node configured to operate on a non-protected side of the firewall device, a clock lease message indicating an amount of time for clock synchronization, wherein the clock lease message triggers the firewall device to allow clock synchronization messages from the second node to the first node to traverse the firewall for the amount of time indicated in the clock lease message while discarding other messages from the second node that are directed to the first node; and
receiving, via the firewall device and from the second node, a clock synchronization message, wherein the clock synchronization message traverses the firewall during the amount of time for clock synchronization indicated in the clock lease message.