Network Prefix
The fields that make up the Network Prefix part of an ATM address include:
AFI The one-byte AFI identifies the authority allocating the portion of the address
that follows. It defines the structure of the NSAP format. The AFI values
accepted by the ONcore ATM subsystem are as follows:
39 (ATM format of the Domain-Specific Part)
45 (ATM format of the E.164 Initial Domain Identifier)
47 (ATM format of the International Code Designator).
DCC Data Country Code (2 bytes)
Specifies the country in which the address is registered. The codes are
given in ISO-3166.
This value is handled as a bit mask and is not checked by the ATM
subsystem.
DFI Domain-specific Format Identifier (1 byte)
Specifies the structure, semantics, and administrative requirements for the
remainder of the address.
This value is handled as a bit mask and is not checked by the ATM
subsystem.
AA Administrative Authority (3 bytes)
Identifies the organizational entity that allocates addresses for the remainder
of the domain-specific part.
This value is handled as a bit mask and is not checked by the ATM
subsystem.
E-3