标准号:ONORM ENV 41802-1-1993
中文标准名称:信息系统互连.X.25协议中继.综述和子网络的独立要求
英文标准名称:Information Systems Interconnection - X.25 Protocol Relaying - General overview and subnetwork independent requirements
发布日期:1993/2/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This Functional Standard is applicable to lnterworking units concerned with the use of ISO8208 (X.25 Packet Level Protocol). An RCp.q relay provides the means for a system on onesubnetwork to communicate with a system, or make use of facilities, on anothersubnetwork.The current 'Directory of Profiles and ISPs' contained in ISO TR 10000-2 identifies a limitednumber of subnetworks to which X.25 protocol relaying is applicable. The subnetworksidentified by ISO TR 10000-2 are:.? 1 lnl Permanent access to a PSDN:? 2 In Leased (Permanent! Service digital data circuit:? 4111 ISDN circuit-switched bearer service via B-channel with semi-permanentaccess:? 42 In ISDN packet-switched bearer service via D-channel: and? 5n Local Area Networks.
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