4  30Network Service Types

4.1  Data

(a)  The Network shall be engineered to carry [unicast] datagrams between Sites, and for Sites to accept such [unicast] datagrams as necessary to operate the [open shortest path first "OSPF"] routing protocol.

4.2  Video traffic

(a)  Traffic identifiable by the standard QoS classification scheme as being video traffic shall be marked with an agreed [differentiated services code point "DSCP"] and the Network shall be engineered to carry such video traffic.

4.3  Voice traffic

(a)  The Network shall be engineered to carry voice traffic on an "any to any" Site basis.

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30  The service type descriptions are illustrative only.  Descriptions which reflect the services required by the Authority will need to be developed by the Authority's technical experts.