Mar 22, 2011 - 
Blueprint (CCIE R&S), Certification, Networking, Rough notes (will be updated) 
No Comments
Blueprint (CCIE R&S), Certification, Networking, Rough notes (will be updated) No Comments QoS – DiffServ
Terminology;
- Behaviour Aggregate (BA): A collection of packets with the same DSCP crossing a link in a particular direction
- Differantiated Services Code Points (DSCP): A value in the IP header used to select a QoS treatment for a packet
- Per-hop behaviour (PHB): The externally observable forwarding behaviour (QoS traetment) applied at a DiffServ-compliant node to a DiffServ BA