RSVP Object Encapsulation Format

  Every RSVP object encapsulated in an RSVP message consists of a 32-bit word header and the object's contents as described above:

       0             1             2             3
+-------------+-------------+-------------+-------------+
|       Length (bytes)      |  Class-Num  |   C-Type    |
+-------------+-------------+-------------+-------------+
.                   (Object Contents)                   .
+-------------+-------------+-------------+-------------+

Length:

16 bits
Contains the total length of the object including the object's header, measured in bytes. Objects must be aligned to 32-bit words.

Class-Num:

8 bits
The class number is used to identify the class of an object. The following classes are currently defined:

• 1 = SESSION
• 3 = RSVP_HOP
• 4 = INTEGRITY
• 5 = TIME VALUES
• 6 = ERROR_SPEC
• 7 = SCOPE
• 8 = STYLE
• 9 = FLOWSPEC
• 10 = FILTER_SPEC
• 11 = SENDER_TEMPLATE
• 12 = SENDER_TSPEC
• 13 = ADSPEC
• 14 = POLICY_DATA
• 15 = RESV_CONFIRM

Object Contents:

The body of an object corresponding to the class number.