256 - transport link 166 - transport network 44 paging 203, 233, 261 network service interface 74-87, 94, 109, 112, parameter set 383 114 , 206, 207, 217 peer 206, 358 - specification 204 pending state 343, 407 - transform 241 permanent association 168 perspective mode 97-98 - network function 74-101, 222 physical media 38-39, 74, 76, 78, 221 - platform 74-101, 222, 226 - connection 95, 193 notation 201 - connection endpoint 38, 79-80, 85-86, notification 210, 306, 388, 391 numbering plan 182, 188 - network 151 physical network 20, 21, 31, 38-39, 74-101, object (see service object) 107, 219-220 Object Management Group 3, 12 physical node 21, 42, 75-101, 219 OFFER 390 physical subnetwork 223 open box 221 Plain Old Telephony System 40, 137, 160 open system 10 Plesiochronous Digital Hierarchy 38, 154-155, Open Systems Interconnection 5, 28, 46, 80, 97 operation 27, 29, 89-97, 129, 337-338, 380, point code 257 point-to-multipoint connection 198 - class 129, 388, 391 polling 131 - classification system 129, 286, 343, 389-390 port 121, 369 - handling 91-92, 280-282, 387, 414, 423-424 - object 414 - identifier 117, 284, 313-314 - state 401 - name 383 - symbol 127, 369 - property 282, 379, 392, 396 postcondition 342-343, 400, 404, 414 - specification 282, 284, 299, 381, 386, precondition 342-343, 400, 404, 414 396-397, 411 - synchronization 92, 393 Index primitive service 96-97, 128, 366 reactive state 341, 344, 406 - behaviour 339, 341, 345, 350, 398 Real-Time Object-Oriented Modeling 6, 100 - behaviour specification 339 receive 123 - identifier 128, 313-314 - operation 132 - specification 374, 386 reference point 212, 215-216, 237, 256, 258, - state 388 - state space 335 - identifier 265 primitive service access - specification 259 - operation 426 Refuse 390 - protocol 199 registration 203, 260 primitive service relation 21, 85, 90-99, Reject 390 366-367 relation symbols 365 - handling 427 relaying 143, 255 - identifier 91, 313-314, 340, 424 - chain 302, 307 - prefix 340, 383 - chain configuration 307 primitive type 11