8.146 PGW FQDN
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
The PGW FQDN IE shall contain an FQDN representing the PGW Set or PGW. It shall be encoded as shown in Figure 8.146-1.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 to 2 |
Type = 215 (decimal) |
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3 to 4 |
Length = n |
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5 |
Spare |
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6 to m |
FQDN |
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(m+1) to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.146-1: PGW FQDN
FQDN encoding shall be identical to the encoding of a FQDN within a DNS message of clause 3.1 of IETF RFC 1035 [27] but excluding the trailing zero byte.
NOTE: The FQDN field in the IE is not encoded as a dotted string as commonly used in DNS master zone files.