Zyxel-communications 662HW Series Manual de usuario Pagina 484

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 563
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 483
Prestige 662H/HW Series User’s Guide
Appendix F Virtual Circuit Topology 484
Appendix F
Virtual Circuit Topology
ATM is a connection-oriented technology, meaning that it sets up virtual circuits over which
end systems communicate. The terminology for virtual circuits is as follows:
Virtual Channel Logical connections between ATM switches
Virtual Path A bundle of virtual channels
Virtual CircuitA series of virtual paths between circuit end points
Figure 21 Virtual Circuit Topology
Think of a virtual path as a cable that contains a bundle of wires. The cable connects two
points and wires within the cable provide individual circuits between the two points. In an
ATM cell header, a VPI (Virtual Path Identifier) identifies a link formed by a virtual path; a
VCI (Virtual Channel Identifier) identifies a channel within a virtual path.
The VPI and VCI identify a virtual path, that is, termination points between ATM switches. A
series of virtual paths make up a virtual circuit.
Your ISP (Internet Service Provider) should supply you with VPI/VCI numbers.
Vista de pagina 483
1 2 ... 479 480 481 482 483 484 485 486 487 488 489 ... 562 563

Comentarios a estos manuales

Sin comentarios