[ih] X.25

[John R. Levine]

On Thu, 2 Oct 2025, Lyndon Nerenberg (VE7TFX/VE6BBM) wrote:
>> I was a long time uucp user and I do not ever recall running
>> into anyone who used it over X.25.
>>
>> This web page says that the widely used Taylor uucp
>> had an 'x' protocol for X.25 but also says it doesn't work:
>
> Berkeley (I think?) added the 'f' protocol for use over X.25 via
> PADs.  It encoded 8-bit traffic into 7-bit values, used xon/xoff
> flow control, and probably had a few other quirks I forget.  And
> it was certainly used, at least in Canada.

That makes sense.  In the U.S. a great deal of uucp traffic was routed 
through Bell Labs which could sort of ignore its phone bills, and much of 
the rest in local clusters that were free or at least untimed phone calls. 
In Canada, you had to pay the phone bills so X.25 was cheaper.

Regards,
John Levine, johnl at taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly