IMP
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... This paper is concerned with the preliminary software design of the
Host IMP interface. Its main purpose is on the one hand to define
functions that will be implemented, and on the other hand to provide
...
...
* can eventually insure a control transmission procedure with the
IMP (See Questions).
...
... III-1. Why is there not a simple control procedure between the HOST and
the IMP? What happens if a message, issued from the HOST,
reaches the IMP ...
... IMP? What happens if a message, issued from the HOST,
reaches the IMP with an error due to the transmission?
From the BBN specifications it appears that this error will be
...
... +--------------+ +------------+ |/| V | V
o----| | | | |/| +------+------+
| Output |-->| Output |-->|/|-->| | |-->IMP
. . .| | | | |/| | |
| | | | |/| | | |
...
... |_ _ _ _ _ _ _ | |_ _ _ _ _ _ | |/| | _ _ _| _ _ _|
o----| | | | |/| | | |
| Input |<--| Input |<--|/|<--| |<--IMP
. . .| | | | |/| | | |
| | | | |/| | |
...