MIL-STD-188-176
Network
Connection
B
A
C
D
FIGURE 5. Point-to-Point Communications.
4.2.7.2 Point-to-multipoint communications . The ATM Forum's UNI specification supports unidirectional point-to- multipoint communications. A point-to-multipoint connection is a connection from a "root" node to multiple "leaf" nodes. Point-
to-multipoint connection shall provide unidirectional communications from the "root" Party "A" to "leaf" parties "B"
and "C," as shown in Figure 6. The bandwidth received by parties "B" and "C" may be different from the bandwidth transmitted by party "A." The connections are established, modified, or
released in one of three ways: (1) the "root" party may request the action, (2) either "leaf" party may request the action, or (3) an authorized nonassociated party (party D) may request the
action. The requester is allowed to specify which called parties are required to agree to be part of the connection before the connection can be executed.
4.3 Interworking . ATM networks support interworking between ATM end systems and non-ATM end systems. ATM networks shall interwork with other ATM networks and non-ATM networks (see 5.5.2). When interworking with non-ATM end systems and networks, interconnection shall be via AAs (see 5.5.1). AAs
include service-specific protocols to support non-ATM end systems and networks. Interworking with specific non-ATM end systems and networks is described in section 5.5.
4.4 ATM network management . ATM network management processes operation, administration, and maintenance data groups into five common management application functions:
a. Fault management
b. Configuration management
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