Telnet and FTP implementation schedule change

　　(RFC559, NIC18482). Therefore the changeover is reformulated as　follows.

　　New Telnet implementations are to be ready 1 Jan 74 (as before), but　are to use ICP socket 23 (decimal). That is the server Telnet will　listen on socket 23, and user Telnet programs will connect to socket　23. It will also be useful for the user program to let the user　optionally select the server socket, as many user Telnet programs　currently do. It will also be useful for implementers to consider a　server Telnet program capable of dealing with both protocols as MIT-DMCG has done (RFC559). This will provide an opportunity for　testing and debugging the new programs in a way that does not　interfere with normal use.

　　During January we will survey the technical liaisons to determine the　status of the Telnet implementations. As soon as we determine that　the Telnet implementations have reached a point where the changeover　can be made without disruption of user services the technical　liaisons will be notified.　In light of this change in the Telnet implementation schedule, the　FTP schedule is also modified. New FTP implementations are to be　ready by 1 Feb 74 (as before), but will continue to use ICP socket 21　(decimal) until we can determine that a changeover is appropriate.

　　References

　　Telnet Protocol NIC 18639

　　File Transfer Protocol NIC 17759

　　[This RFCwas put into machine readable form for entry ]

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