US 12,010,001 B2
Extending distributed application tracing for network optimizations
Alberto Rodriguez-Natal, Leon (ES); Edward Albert Warnicke, Austin, TX (US); Saswat Praharaj, Pleasanton, CA (US); and Fabio R. Maino, Palo Alto, CA (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Aug. 15, 2023, as Appl. No. 18/234,252.
Claims priority of provisional application 63/407,070, filed on Sep. 15, 2022.
Prior Publication US 2024/0097998 A1, Mar. 21, 2024
Int. Cl. H04L 43/026 (2022.01); H04L 43/10 (2022.01)
CPC H04L 43/026 (2013.01) [H04L 43/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving a Layer-7 (L7) message of an L7 flow associated with a distributed application;
determining that the L7 message includes tracing information;
mapping the tracing information to a marking that is to be included in a Layer-3 (L3) or Layer-4 (L4) packet carrying the L7 message; and
sending the L3 or L4 packet including the marking to an L3 or L4 network element, the L3 or L4 network element configured to utilize the marking to determine a network decision for the L3 or L4 packet.