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Solution Requirements Must have opaque semantics for QOS bits on either side of AS boundary Want to announce a service NOT a packet marking On Link across boundary may administratively configure marking Want to be able to have distinct logical links for each QOS class OR multiplex QOS classes across one link Want to have minimal changes to protocol for ease of deployment NOT BGPv5 No change to protocol HA semantics or features Must be able to preserve existing MPBGP features and add service (class) |