US 12,081,529 B2
System and method for adaptive encryption for SD-WAN
Ali Sajassi, San Ramon, CA (US); Pradeep Kumar Kathail, Los Altos, CA (US); and Samir Thoria, Saratoga, CA (US)
Assigned to CISCO TECHNOLOGY, INC., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Jul. 15, 2022, as Appl. No. 17/812,901.
Prior Publication US 2024/0022548 A1, Jan. 18, 2024
Int. Cl. H04L 29/06 (2006.01); H04L 9/40 (2022.01); H04L 45/00 (2022.01)
CPC H04L 63/0435 (2013.01) [H04L 45/22 (2013.01); H04L 63/029 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
one or more processors; and
one or more computer-readable non-transitory storage media comprising instructions that, when executed by the one or more processors, cause one or more components of the system to perform operations comprising:
identifying an encrypted conversational flow;
determining whether a duration of the encrypted conversational flow exceeds a threshold;
selecting a header-less tunnel for the encrypted conversational flow when the duration is more than the threshold; and
transmitting the encrypted conversational flow to an egress router over the selected header-less tunnel.