📄 rfc619.txt
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14 CMU 74.8 68.9 135 165
15 AMES 210.3 117.2 40 75
16 AMST 316.7 135.0 38 86
17 MTRT 77.7 51.7 130 151
18 RADT 23.4 23.9 142 202
19 NBST 92.2 39.5 125 169
20 ETAT 25.4 22.8 110 111
21 LLL - 3.7 - 185
22 ISI 361.9 299.2 107 130
23 USCT 298.1 190.6 60 68
24 GWCT 10.5 7.3 144 122
25 DOCT 5.5 4.2 236 187
26 SDAT 13.3 19.7 149 177
27 BELV 0.9 0.9 196 285
28 ARPT 55.4 58.3 78 95
29 ABRD 1.3 0.7 183 271
30 BBNT 40.8 6.4 75 159
31 CCAT 177.7 76.3 83 119
32 XROX 56.8 75.3 79 69
33 FNWT 2.3 1.4 347 165
34 LBL 1.2 0.9 384 305
35 UCSD 11.9 24.0 237 157
36 HAWT 27.5 5.0 654 458
37 RMLT 10.4 11.0 122 97
40 NCCT - 140.1 - 1263
41 NSAT 0.6 1.6 1022 918
42 LONT - 17.3 - 855
43 TYMT - 1.6 - 160
44 MIT2 - 3.9 - 83
45 MOFF - 0.2 - 219
46 RUTT - 14.7 - 153
47 WPAT - 0.5 - 282
Naylor & Opderbeck [Page 10]
RFC 619 Mean Round-Trip Times in the ARPANET March 1974
Table 4 Mean Round Trip Delay to the Three Most Favorite Sites
#MESSAGES/MINUTE MEAN ROUND TRIP DELAY
FROM SITE TO SITE AUGUST DECEMBER AUGUST DECEMBER
1 UCLA 1 RAND 10.8 9.4 57 92
26 SDAT 5.6 5.9 157 191
22 ISI 3.1 3.1 99 146
2 SRI 12 RADT 16.6 19.5 142 163
17 MTRT 21.9 18.7 140 161
2 SRI 266.1 17.5 14 69
3 UCSB 2 SRI 8.1 17.8 72 68
22 ISI 18.1 17.0 75 86
14 CMU 16.6 11.8 140 152
4 UTAH 4 UTAH 3.5 13.5 136 27
22 ISI 3.7 4.8 131 165
5 BBN 4.2 4.1 168 204
5 BBN 40 NCCT - 81.4 - 105
5 BBN 12.5 19.7 102 37
9 HARV 0.5 9.2 22 37
6 MIT 6 MIT 40.6 24.0 81 85
23 USCT 9.8 13.9 150 173
9 HARV 1.7 12.0 63 88
7 RAND 1 UCLA 12.5 10.4 54 96
16 AMST 0.8 2.6 99 190
40 NCCT - 2.5 - 1941
8 SDC 40 NCCT - 2.2 - 2217
1 UCLA 0.2 0.2 110 136
8 SDC 0.01 0.01 93 13
9 HARV 9 HARV 7.6 50.5 49 21
2 MIT 1.6 11.9 62 85
5 BBN 1.6 9.5 56 37
10 LL 40 NCCT - 2.2 - 1420
10 LL 1.5 1.8 238 135
24 GWCT 0.04 0.6 146 80
11 STAN 14 CMU 3.0 7.0 215 207
4 UTAH 0.2 5.5 117 117
6 MIT 6.5 5.0 186 225
Naylor & Opderbeck [Page 11]
RFC 619 Mean Round-Trip Times in the ARPANET March 1974
12 ILL 22 ISI 13.3 20.3 146 142
15 AMES 0.8 14.6 109 135
35 UCSD 6.7 6.5 192 269
13 CASE 40 NCCT - 2.2 - 1744
1 UCLA 0.2 0.2 296 400
2 SRI 7.1 0.01 163 316
14 CMU 14 CMU 13.8 23.4 129 94
3 UCSB 13.8 9.2 153 166
11 STAN 3.2 5.1 193 209
15 AMES 16 AMST 205.0 65.8 15 34
12 ILL 1.2 19.6 115 120
31 CCAT 3.2 4.6 174 230
16 AMST 15 AMES 176.8 74.3 13 28
22 ISI 63.6 33.2 50 69
32 XROX 13.3 17.4 41 60
17 MTRT 22 ISI 26.3 27.5 115 118
2 SRI 23.8 20.3 137 155
5 BBN 3.5 4.2 179 133
18 RADT 2 SRI 17.7 21.7 139 156
1 UCLA 0.4 2.3 265 181
40 NCCT - 2.3 - 1618
19 NBST 2 SRI 14.1 12.1 132 163
22 ISI 29.6 11.8 100 117
5 BBN 21.6 9.6 71 97
20 ETAT 22 ISI 11.9 11.3 106 107
24 GWCT 5.0 5.9 99 107
40 NCCT - 2.2 - 1602
21 LLL 5 BBN - 2.9 - 183
40 NCCT - 2.2 - 1847
4 UTAH - 0.5 - 71
22 ISI 28 ARPT 26.0 38.3 106 104
23 USCT 69.0 32.7 80 92
16 AMST 62.0 28.5 53 87
23 USCT 23 USCT 160.9 119.2 19 23
22 ISI 69.2 34.1 78 91
6 MIT 12.9 19.6 135 150
Naylor & Opderbeck [Page 12]
RFC 619 Mean Round-Trip Times in the ARPANET March 1974
24 GWCT 20 ETAT 6.6 10.8 93 91
40 NCCT - 2.1 - 1978
10 LL 0.03 0.5 359 115
25 DOCT 40 NCCT - 2.3 - 2091
22 ISI 1.0 1.6 220 118
15 AMES 1.9 1.2 167 198
26 SDAT 22 ISI 2.9 8.7 154 138
1 UCLA 5.9 6.0 169 209
2 SRI 1.0 4.4 182 184
27 BELV 40 NCCT - 2.2 - 1553
1 UCLA 0.1 0.2 405 517
22 ISI - 0.01 - 325
28 ARPT 22 ISI 27.4 41.6 106 101
28 ARPT 19.2 13.7 20 35
2 SRI 3.3 3.3 139 157
29 ABRD 40 NCCT - 2.2 - 1461
1 UCLA 0.2 0.2 439 562
9 HARV - 0.01 - 112
30 BBNT 5 BBN 24.2 5.1 36 64
40 NCCT - 2.1 - 1327
22 ISI 4.2 1.1 170 217
31 CCAT 31 CCAT 81.9 28.2 15 31
22 ISI 31.3 23.3 156 171
5 BBN 7.8 7.3 45 42
32 XROX 32 XROX 20.2 36.4 19 15
16 AMST 10.5 13.3 69 93
14 CMU 2.5 3.0 193 251
33 FNWT 40 NCCT - 2.2 - 2210
9 HARV 0.01 0.3 208 194
7 RAND 0.3 0.3 96 171
34 LBL 40 NCCT - 2.4 - 1814
41 NSAT - 0.2 - 1674
1 UCLA 0.1 0.2 295 478
35 UCSD 12 ILL 6.0 7.5 220 260
16 AMST 1.7 4.9 120 172
40 NCCT - 2.0 - 2183
Naylor & Opderbeck [Page 13]
RFC 619 Mean Round-Trip Times in the ARPANET March 1974
36 HAWT 36 HAWT 0.04 1.6 17 26
22 ISI 5.1 1.0 600 623
15 AMES 2.5 0.8 551 590
37 RMLT 22 ISI 7.5 9.0 68 67
40 NCCT - 2.2 - 1918
28 ARPT - 1.0 - 63
40 NCCT 5 BBN - 41.2 - 33
40 NCCT - 6.6 - 433
22 ISI - 3.2 - 151
41 NSAT 40 NCCT - 2.2 - 2308
2 SRI 0.01 0.4 1046 1002
3 UCSB 0.01 0.2 1169 1018
42 LONT 22 ISI - 6.1 - 837
2 SRI - 3.7 - 884
4 UTAH - 2.2 - 921
43 TYMT 40 NCCT - 2.6 - 1859
2 SRI - 0.5 - 79
3 UCSB - 0.2 - 74
44 MIT2 44 MIT2 - 2.8 - 18
40 NCCT - 2.3 - 1664
1 UCLA - 0.2 - 589
46 MOFF 40 NCCT - 2.2 - 2091
1 UCLA - 0.2 - 447
46 RUTT 9 HARV - 4.3 - 38
5 BBN - 3.5 - 93
22 ISI - 2.9 - 172
47 WPAT 40 NCCT - 2.2 - 1643
3 UCSB - 0.2 - 301
1 UCLA - 0.2 - 671
[ This RFC was put into machine readable form for entry ]
[ into the online RFC archives by Alex McKenzie with ]
[ support from GTE, formerly BBN Corp. 12/99 ]
Naylor & Opderbeck [Page 14]
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