Relation between diff-serv blocks

Code-

points

Traffic

conditioning

functions

Service of

subset B

Service

Network

service

Customer

service

Mechanisms

Mechanism

Service of

subset A

PHB 3

PHB 2

PHB

group

PHB 4

PHB

class A

Structure

in RFC2474

(+ PHB classes)

PHB

class B

PHB 1

M1

M2

M3

M4

M5

M6

M7

M8

M9

Traffic

conditioning

functions

C1

C2

C3

C4

C5

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