Terms and Acronyms for CoS with DiffServ for IPv6
classifier
A method of reading a sequence of bits in a packet header or label and determining the packet’s forwarding class.
class of service
A set of forwarding class parameters that define different treatment for different traffic flows.
Differentiated Services (DiffServ)
A standards-based method of associating CoS parameters with traffic flows and their forwarding classes.
Differentiated Services code point (DSCP)
Values for a 6-bit field defined for IPv4 and IPv6 packet headers that can be used to enforce CoS distinctions in routers.