Network Working Group Marc Seriff Request for Comments 308 MIT-DMCG NIC 9259 13 MARCH 1972 References: RFC 254 ARPANET HOST AVAILABILITY DATA
Briefly, the SURVEY program works as follows: At 15-minute
Each test results in the assignment of one of the following
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There are, in addition, two other shortcomings of which we are
To get availability information from DMCG, you must first follow
SUMMARY.OF.SURVEYS - summarizes most recent information.
HISTORY.OF. <host name> - gives a detailed recent history of the given host. This generates a lot of output, so use it sparingly.
ACTIVE.HOSTS - lists those hosts who accepted a connection at least once during the last 24 hours.
BEST.SURVEY - lists the best of the recent surveys.
LONGTERM SUMMARY.OF.SURVEYS - summarizes all past
information. This was used to generate
the table on the next page.
LONGTERM HISTORY.OF <host name> - gives a summary of
past history of the given host. It
does not generate as much output as the
HISTORY command.
LONGTERM ACTIVE.HOSTS - lists those hosts who accepted a connection at least once since December 13, 1971.
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For help in accessing SURVEY data and comments on improving the
Marc Seriff
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[ This RFC was put into machine readable form for entry ]
[ into the online RFC archives by BBN Corp. under the ] [ direction of Alex McKenzie. 12/96 ]
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