Format of selected RSVP messages

For each RSVP message type, there is a set of rules for the permissible choice of object types. The rules for selected RSVP messages is given here, using the in Backus-Naur form:

PATH Messages

<Path Message> ::=          <Common Header> [ <INTEGRITY> ]
                                     <SESSION> <RSVP_HOP>
                                     <TIME_VALUES>
                                   [ <POLICY_DATA> ... ]
                                   [ <sender descriptor> ]

<sender descriptor> ::=     <SENDER_TEMPLATE> <SENDER_TSPEC>
                                   [ <ADSPEC> ]

RESV Messages

<Resv Message> ::=          <Common Header> [ <INTEGRITY> ]
                                     <SESSION>  <RSVP_HOP>
                                     <TIME_VALUES>
                                   [ <RESV_CONFIRM> ]  [ <SCOPE> ]
                                   [ <POLICY_DATA> ... ]
                                     <STYLE> <flow descriptor list>

<flow descriptor list> ::=  <empty> |
                            <flow descriptor list> <flow descriptor>