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+Network Working Group                              A. Westine
+Request for Comments:  847                         D. Smallberg
+                                                   J. Postel
+                                                   February, 1983
+
+
+                SUMMARY OF SMALLBERG SURVEYS
+   
+This is a summary of the surveys of Telnet, FTP and Mail (SMTP)
+servers conducted by David Smallberg in December 1982 and January
+and February 1983 as reported in RFC 832-843, 845-846.  This memo
+extracts the number of hosts that accepted the connection to
+their server for each of Telnet, FTP, and SMTP, and compares it
+to the total host in the Internet (not counting TACs or ECHOS).
+
+One would not expect the percentage to reach 100, since some
+hosts will be down when the surveys are run, but many hosts are
+for special purposes and don't offer these services.  We estimate
+that 37 hosts or 11 percent are in this catagory and the highest
+percentage one could reasonably expect is 89.
+   
+                                TELNET
+
+      RFC        DATE        ACCEPT        TOTAL        PERCENT
+      ---        ----        ------        -----        -------
+      832      7 Dec 82        83           315            26
+      833     14 Dec 82       103           314            33
+      834     22 Dec 82       102           314            32
+      835     28 Dec 82        95           314            30
+      836      4 Jan 83       151           315            48
+      837     11 Jan 83       171           323            53
+      838     18 Jan 83       172           323            53
+      839     25 Jan 83       182           323            56
+      842      1 Feb 83       183           382            48
+      843      8 Feb 83       187           329            57
+      845     15 Feb 83       176           329            53
+      846     22 Feb 83       190           325            56
+
+                                FTP
+
+      RFC        DATE        ACCEPT        TOTAL        PERCENT
+      ---        ----        ------        -----        -------
+      832      7 Dec 82        70           315            26
+      833     14 Dec 82        90           314            29
+      834     22 Dec 82        80           314            25
+      835     28 Dec 82        80           314            25
+      836      4 Jan 83       132           315            42
+      837     11 Jan 83       153           323            47
+      838     18 Jan 83       159           323            49
+      839     25 Jan 83       165           323            51
+      842      1 Feb 83       170           328            52
+      843      8 Feb 83       174           389            45
+      845     15 Feb 82       169           329            51
+      846     22 Feb 83       181           325            56
+
+
+Page 1
+
+
+                                SMTP
+
+      RFC        DATE        ACCEPT        TOTAL        PERCENT
+      ---        ----        ------        -----        -------
+      832      7 Dec 82        63           315            20
+      833     14 Dec 82        82           314            26
+      834     22 Dec 82        82           314            26
+      835     28 Dec 82        72           314            23
+      836      4 Jan 83       124           315            39
+      837     11 Jan 83       145           323            45
+      838     18 Jan 83       154           323            48
+      839     25 Jan 83       159           323            49
+      842      1 Feb 83       169           328            52
+      843      8 Feb 83       170           329            52
+      845     15 Feb 83       169           329            51
+      846     22 Feb 83       178           325            55
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