The IETF's RFC2597 describes a Differentiated Services Per-Hop-Behavior (PHB) Group called Assured Forwarding (AF). Quoting from the RFC, 'The AF PHB group provides delivery of IP packets in four independently forwarded AF classes. Within each AF class, an IP packet can be assigned one of three different levels of drop precedence.' The AFRelatedServices association describes the precedence of the individual AF drop-related Services within an AF IP packet-forwarding class. |
Qualifiers:Version ( "2.6.0" ) Association |
Parameters (local in grey) |
| Max ( 1 ) Key CIM_AFService REF AFLowerDropPrecedence ; The AFService with a lower drop precedence (ie, lower probability of dropping packets). | Key CIM_AFService REF AFHigherDropPrecedence ; An AFService at the same IP packet-forwarding class level, but at a higher drop precedence. |
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