Abstract: For the next generation telecommunications network, the CCITT has been developing the BISDN standards that will provide a new network service infrastructure. For the next generation high- speed customer premises network the ANSI X3T9.5 working group has begun to define a new standard, the FDDI follow-on LAN (FFOL). The compatibility between these two standards should benefit users. In order to analyze the interworking scenarios between FFOL and BISDN, this paper defines three possible FFOL architecture models that are synthesized from existing FFOL proposals. This paper also identifies key functions for seamless integration between FFOL and BISDN. !13
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