Brief and clear step by step definition of COS process.
Packet Flow Through the Junos OS CoS Process Overview
Full brochure.
Junos® OS Class of Service Feature Guide for Routing Devices
Brief and clear step by step definition of COS process.
Packet Flow Through the Junos OS CoS Process Overview
Full brochure.
Junos® OS Class of Service Feature Guide for Routing Devices
By the way, few epic black books about network testing/validation methodology from Ixia.
Ixia Black Book - Video over IP
Ixia Black Book - Advanced MPLS
Ixia Black Book - QoS Validation