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<p>This part of ISO/IEC 9314 specifies the Station Management (SMT) for the Fibre Distributed Data</p>
<p>Interface (FDDI).</p>
<p>FDDI provides a high bandwidth (100 megabits per second) general purpose interconnection among</p>
<p>computers and peripheral equipment using optical fibre as the transmission medium in a ring</p>
<p>configuration. FDDI can be configured to support a sustained transfer rate of approximately</p>
<p>80 megabits (10 megabytes) per second. The use of dual attachment stations with dual MACs allows</p>
<p>these rates to be doubled under the circumstance of a fault-free FDDI ring.</p>
<p>FDDI establishes the connection among many stations (nodes) distributed over distances of several</p>
<p>kilometres in extent. Default values for FDDI were calculated on the basis of 1 000 physical</p>
<p>connections and a total fibre path length of 200 km.</p>
<p>The FDDI consists of</p>
<p>a) A Physical Layer (PL), which provides the medium, connectors, optical bypassing,</p>
<p>and driver/receiver requirements. PL also defines encode/decode and clock</p>
<p>requirements as required for framing the data for transmission on the medium or to</p>
<p>the higher layers of the FDDI. For the purposes of this part of ISO/IEC 9314,</p>
<p>references to the PL are made in terms of the Physical Layer protocol (PHY) and the</p>
<p>Physical Layer Media Dependent (PMD) entities which are the upper and lower</p>
<p>sublayers of PL, respectively.</p>
<p>b) A Data Link Layer (DLL) which controls the accessing of the medium and the</p>
<p>generation and verification of frame check sequences to assure the proper delivery</p>
<p>of valid data to the higher layers. DLL also concerns itself with the generation and</p>
<p>recognition of device addresses and the peer-to-peer associations within the FDDI</p>
<p>network. For the purposes of this part of ISO/IEC 9314, references to the DLL are</p>
<p>made in terms of the Media Access Control (MAC) entity which is the lowest</p>
<p>sublayer of DLL.</p>
<p>c) A Station Management (SMT) standard, this part of ISO/IEC 9314, which provides</p>
<p>the control necessary at the station (node) level to manage the processes underway</p>
<p>in the various FDDI layers such that a station may work cooperatively as a part of</p>
<p>an FDDI network. SMT shall provide services such as connection management,</p>
<p>station insertion and removal, station initialization, configuration management, fault</p>
<p>isolation and recovery, communications protocol for external authority, scheduling</p>
<p>policies, and collection of statistics.</p>
<p>The definition of SMT as contained herein includes the set of services that it provides for, and receives</p>
<p>from, the other entities that are contained within a node. Within SMT resides both knowledge of the</p>
<p>uniqueness of this node and the current network structure to the extent that this node's function is</p>
<p>affected.</p>
<p>The set of International Standards for FDDI, ISO/IEC 9314, specifies the interfaces, functions and</p>
<p>operations necessary to insure interoperability between conforming FDDI implementations. This part</p>
<p>of ISO/IEC 9314 is a functional description. Conforming implementations may employ any design</p>
<p>technique which does not violate interoperability.</p>
Reģistrācijas numurs (WIID)
26229
Darbības sfēra
<p>This part of ISO/IEC 9314 specifies the Station Management (SMT) for the Fibre Distributed Data</p>
<p>Interface (FDDI).</p>
<p>FDDI provides a high bandwidth (100 megabits per second) general purpose interconnection among</p>
<p>computers and peripheral equipment using optical fibre as the transmission medium in a ring</p>
<p>configuration. FDDI can be configured to support a sustained transfer rate of approximately</p>
<p>80 megabits (10 megabytes) per second. The use of dual attachment stations with dual MACs allows</p>
<p>these rates to be doubled under the circumstance of a fault-free FDDI ring.</p>
<p>FDDI establishes the connection among many stations (nodes) distributed over distances of several</p>
<p>kilometres in extent. Default values for FDDI were calculated on the basis of 1 000 physical</p>
<p>connections and a total fibre path length of 200 km.</p>
<p>The FDDI consists of</p>
<p>a) A Physical Layer (PL), which provides the medium, connectors, optical bypassing,</p>
<p>and driver/receiver requirements. PL also defines encode/decode and clock</p>
<p>requirements as required for framing the data for transmission on the medium or to</p>
<p>the higher layers of the FDDI. For the purposes of this part of ISO/IEC 9314,</p>
<p>references to the PL are made in terms of the Physical Layer protocol (PHY) and the</p>
<p>Physical Layer Media Dependent (PMD) entities which are the upper and lower</p>
<p>sublayers of PL, respectively.</p>
<p>b) A Data Link Layer (DLL) which controls the accessing of the medium and the</p>
<p>generation and verification of frame check sequences to assure the proper delivery</p>
<p>of valid data to the higher layers. DLL also concerns itself with the generation and</p>
<p>recognition of device addresses and the peer-to-peer associations within the FDDI</p>
<p>network. For the purposes of this part of ISO/IEC 9314, references to the DLL are</p>
<p>made in terms of the Media Access Control (MAC) entity which is the lowest</p>
<p>sublayer of DLL.</p>
<p>c) A Station Management (SMT) standard, this part of ISO/IEC 9314, which provides</p>
<p>the control necessary at the station (node) level to manage the processes underway</p>
<p>in the various FDDI layers such that a station may work cooperatively as a part of</p>
<p>an FDDI network. SMT shall provide services such as connection management,</p>
<p>station insertion and removal, station initialization, configuration management, fault</p>
<p>isolation and recovery, communications protocol for external authority, scheduling</p>
<p>policies, and collection of statistics.</p>
<p>The definition of SMT as contained herein includes the set of services that it provides for, and receives</p>
<p>from, the other entities that are contained within a node. Within SMT resides both knowledge of the</p>
<p>uniqueness of this node and the current network structure to the extent that this node's function is</p>
<p>affected.</p>
<p>The set of International Standards for FDDI, ISO/IEC 9314, specifies the interfaces, functions and</p>
<p>operations necessary to insure interoperability between conforming FDDI implementations. This part</p>
<p>of ISO/IEC 9314 is a functional description. Conforming implementations may employ any design</p>
<p>technique which does not violate interoperability.</p>
