January NSFNET Usage by Service

Sun Feb 14 00:27:44 UTC 1993

                    NSFNET Traffic Distribution Highlights

                             January 1993

                      Packet Total:  27,459,168,150

                      Byte Total:    5,159,543,112,250

 Service Name       Port  Rank Packet Count % Pkts  Rank   Byte Count  % Byts
 ============       ====  ==== ============ ======  ==== ============= ======
 ftp-data             20     1   6794442500 24.744     1 2412315213850 46.754
 telnet               23     2   4160481250 15.152     4  278336875000  5.395
 nntp                119     3   2440549750  8.888     2  509546469450  9.876
 smtp                 25     4   1827855150  6.657     3  301358808150  5.841
 domain               53     5   1560403900  5.683     5  147486292300  2.859
 ftp                  21     6    555947550  2.025     9   43257755200  0.838
 irc                6667     7    533078650  1.941     8   46335270350  0.898
 icmp                 -1     8    504434200  1.837    11   42369688900  0.821
 vmnet               175     9    372480050  1.356     6  131039759300  2.540
 X0                 6000    10    224638000  0.818    12   41125146500  0.797
 login/who           513    11    191196750  0.696    15   18349453950  0.356
 gopher               70    12    187225100  0.682    10   43238448800  0.838
 (unknown)          1023    13    168644250  0.614    16   18068524050  0.350
 snmp                161    14    145360100  0.529    17   15977569750  0.310
 finger               79    15    133303800  0.485    19   12239523950  0.237
 ntp                 123    16    131845300  0.480    21   10045369250  0.195
 (unknown)           900    17     93107000  0.339     7   48242658350  0.935
 (unknown)          1022    18     89549550  0.326    18   13488986450  0.261
 talk                517    19     87082250  0.317    24    8874658700  0.172
 cmd/syslog          514    20     70356000  0.256    13   26907320900  0.522
 (unknown)          1021    21     63454450  0.231    20   12096609050  0.234
 efs/router          520    22     62584800  0.228    14   18473418700  0.358
 uucp                540    23     51636800  0.188    22    9911015350  0.192
 (unknown)          1020    24     44420550  0.162    23    8890700700  0.172
 ntalk               518    25     33812400  0.123    33    3699164750  0.072
 (unknown)           700    26     22186950  0.081    27    5574766900  0.108
 (unknown)          1019    27     21756550  0.079    28    4366954750  0.085
 bgp                 179    28     19593200  0.071    47    1302786650  0.025
 (unknown)            76    29     18318800  0.067    29    4270222200  0.083
 discard               9    30     17687650  0.064    62     710540000  0.014
 z39.50              210    34     12502550  0.046    36    3522869800  0.068
 shilp/sun-nfs      2049    63      3459700  0.013    61     723197000  0.014
 iso-ip              -80    80      1792600  0.007    56     880551550  0.017
 X1                 6001   102       932950  0.003   116     122755900  0.002
 www                  80   127       511450  0.002   117     122440450  0.002
 X2                 6002   519        53050  0.000   537       6150400  0.000
 X3                 6003   712        14400  0.000   993       1349600  0.000
 prospero            191   729        13000  0.000   453       9253050  0.000

 Ordered by decreasing packet counts, this table includes the top 30
 services and highlights other selected services.

 Information for this report is available only for TCP/UDP port 
 numbers 0-1023, 2049, 6000-6003, 6667, and all Internet Protocols
 (differentiated from TCP/UDP ports by negating the protocol number).

 More detailed information is available for Anonymous FTP from
 NIC.MERIT.EDU (the Merit NIC Services machine) in the file
 "nsf-9301.ports" on the nsfnet/statistics/1993 directory.