The PDP-10 has networking as well. The H316/516 supports the IMP (interface message processor) used for ARPAnet.

Network was only implemented on systems that were in active development past the mid 1970s, when commercial networking stacks like TCP/IP, DECnet, SNA, BNA, etc emerged. There's an early DECnet implementation for PDP-8 RTS, but that OS was not widely used. Later Interdata 32b systems offered remote job entry (via HASP) and remote printing and terminal service via Pennet, but I can't find any documentation on it. (In any case, SimH doesn't support the post-Interdata P-E systems.) Later HP 3000s had Ethernet; perhaps Dave Bryan will be adding it in some future release.

A number of systems of the early 70s (including the CDC 6600 and the XDS Sigma) had one-off interfaces to ARPAnet, using specialized IMPs, but the implementations are lost.

If new simulators are written targeting more modern computers, then networking is likely to be included. For example, any Alpha simulator would have to include Ethernet support.

/Bob

On 3/12/2016 5:45 AM, [email protected] wrote:
Message: 2
Date: Fri, 11 Mar 2016 20:41:24 -0500
From: "Bill Cunningham"<[email protected]>
To:<[email protected]>
Subject: [Simh] networking support
Message-ID: <018F1E9A1A6A4831B0BED761F38CCD17@acer684c9a655d>
Content-Type: text/plain; charset="iso-8859-1"

     Are there any plans by the developers and maintainers to add networking 
support to any of the simulators that do not have it? AFAIK pdp11 and vax are 
the only two that have networking support.

Bill
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