Internet Assigned Numbers Authority

                                                 RObust Header Compression (ROHC) Profile Identifiers

   Created
           2001-04-23

   Last Updated
           2023-02-03

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   Registry included below

     * Profile Identifiers

Profile Identifiers

   Registration Procedure(s)

 Specification Required

   Expert(s)

 Unassigned

   Reference
           [RFC5795]

   Note

 There appears to be further breakdown:

 In the 8 LSBs, the range 0 to 127 is reserved for IETF standard-track
 specifications; the range 128 to 254 is available for other specifications
 that meet this requirement (such as Informational RFCs). The LSB value 255
 is reserved for future extensibility of the present specification.

   Available Formats
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   Profile Identifier         Usage          Reference
         0x0000       ROHC uncompressed      [RFC5795]
         0xnn00       Reserved
         0x0001       ROHC RTP               [RFC3095]
         0x0101       ROHCv2 RTP             [RFC5225]
         0xnn01       Reserved
         0x0002       ROHC UDP               [RFC3095]
         0x0102       ROHCv2 UDP             [RFC5225]
         0xnn02       Reserved
         0x0003       ROHC ESP               [RFC3095]
         0x0103       ROHCv2 ESP             [RFC5225]
         0xnn03       Reserved
         0x0004       ROHC IP                [RFC3843]
         0x0104       ROHCv2 IP              [RFC5225]
         0xnn04       Reserved
         0x0005       ROHC LLA               [RFC4362]
         0x0105       ROHC LLA with R-mode   [RFC3408]
         0xnn05       Reserved
         0x0006       ROHC TCP               [RFC6846]
         0xnn06       Reserved
         0x0007       ROHC RTP/UDP-Lite      [RFC4019]
         0x0107       ROHCv2 RTP/UDP-Lite    [RFC5225]
         0xnn07       Reserved
         0x0008       ROHC UDP-Lite          [RFC4019]
         0x0108       ROHCv2 UDP-Lite        [RFC5225]
         0xnn08       Reserved
     0x0009-0xnn7F    To be Assigned by IANA
     0xnn80-0xnnFE    To be Assigned by IANA
         0xnnFF       Reserved

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