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RFC 530: Report on the Survey Project

  • A.K. Bhushan
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Page 1: .. - Received at NIC July 3, 1973 1737 5 ~ JU L 1 1973 Ne tv.o r k \!orking Group Abhay 8hushan Requ e s t Fa r Comr.ie n t s # 530 t·i1 T Proj ec t r · ~AC HIC # 17375 22 June 1973 Updates: RFC A REPORT 308, 523 Or! TilE SURVEY PROJECT postel The purpose of this paper is 1) · to report on the status of the SliHVEY project and current data, 2) to l n f o rrn the ARPAi~ET cor, lr,lUnityof the services VJe offer related to this project, 3) to report on our future plans, and 4) to ask for suggestions and Imp rov er.ie n t s • I. THE STATUS OF TI!E SURVEY PRO GRM·j The SURVEY program is in operation again as man v of you r.iav have noticed. \:e are surveying at 20-minute intervals nU\1 (vie were surveying at 15-~inute intervals before). The SUnV EY p r o g r ar.i a t t ernp t s to do a cornp l e t e rep Cl n l t l o l connection protocol) to the LOGGER socket (socket 1) of each host 1 isted in the survey table. lie currently survey all the known "SERVER" I to s t s on the i \RPAilET. It is easy for us to add and delete hosts f r om this table. The previous version of the SURVEY progra r:1 ~as abortin~ in the m l d d l e of lep, but nov. we a t t emp t to complete ICP (v. l t h a 5 second time-out ror each of the connections after receiving the server socket number "S" on the ICP connection). This latter change wa s r.iad e as rnan y II0STs do no t p r ov i de for either time-outsv or queu i ng of the ilCP c omrnan d s (RFC IS). Consequen t 1 y, l n cor.ip l e t e ICPs v.e r e tying up HOST connection resources. Please let me know if our 5-second t l rne-iou t is too srna l l and if you are encountering p r o b l er.rs "lith SURVEY. The survey p r o g r arn records date, t l me , status, and response t lme for each host (the re s pon s e t lr .ie is currently averaged, and da t e and t lr.ie are only recorded for the .f i r s t survey in a block of ~G surveys). \Ie are in the process of modifying the SCRVEY recordin6 pr:ocedures to record all the data for each inuiviJual survey test in a stanJarJ ~SCI I for mat suitable for transmission to the [j,"T :\COt·1PUTER (CCA) vrhe r e vie are storing the SllRVEY data. This database at the CCA-D ATACOI·:PUTER is accessible via p r o g r arns in our !;UDDLE subsystem. A future memo vii 11 e x p l a in the use of the DATACOI·1PLTER database and faci 1 it ies to access it. The response t l rne measurement is the tine taken to e s t ab l ish the full-duplex TELf ;ET connections. It is not the tine taken to r; e t the pro ••• o t r.ie s s a g e , or lo r;gin ~~ in. The latter rie a s u r e s of response t lrue are r.io r e rae an i n g f u l to the u s e r but our rnea s u r e for r e s non s o t lr.ie represents a l owe r bound for tile ' "true" response
Page 2: PAGE 2 t l r.ie • It should be noted that our r e s p on s c t l me rnea s u r l n g procedure h a s a l t e r e d slightly (prev iously vie v.e r e me a s u r i n g the t l r.ie taken to get the server socket n urnb c r "S" on the lep connection>. It should also be noted that the response ti me me a s u r e r.ie n t is val iJ only when the I !ost state is "log zer available". J I. I ,! ET \ J0 r,K S TAT U SSE RV ICE 0 tJ SOC l( ET 1:; \I e 0 f fer a net\"10 r k s tat u sse r vic eon soc k e t 15 ( dec i n:a 1 > for comrnun i c a t i n g the results of the "last'! .o r t he no s t recent survey. To use this service, just l Cf' to HOST 70 socket 15. The SLRGIV p r c g r art v. l l l t r an sr.i i t data in the f o l l ow i rig f o rma t : mo nth, day, yea r , h 0 u r s , r;l j 11 u t e s host,status,response-ti~e ho s t s s t a t us , r e s pon s e t l me .' .. . . . . . . . r -1 An e x ar.ip l e of the data t r an sm l t t e d is given b e l ow ; ilconnection to host dr .icg socket 15 cor.ip 1 e ted. OG,J5,1973,14,44 001 ·,5,013 002,5,031 003,1,200 004,5,015 UUG,5;011 007,3,20U 008,1,2JO 009,5,002 010,3,200 011,S,U03 013,5,01G 014,5,002 015,5,014 OiG,5,u;;1 023,3,011 031,1,2JO 032,5,U14 035,5,015 UG5,5,uJ8 OGG,5,J1u Ull9,5,J2u 07u,5,J09 u74,5,u11 07/),5,002 08G,3,2JU
Page 3: PAGE 3 133,1,200 134,5,QUG 138,4,200 198,5,007 -1 COflllECT 10[1$ ABORTED CLOSED [3 Y F0 r\ E I GI~ H0 ST The l iost number is in de c l ma l , the response t l rie is In tenths or seconJs, and tile status co de isas described be l ow : Code 5 - IC? to socket 1 successfullY completed, logger availa~le. 'Co d e 4 - ICP t i ru e d-r ou t (20 ' s e con d s L, lo~ger not res ponding. Code 3 - ICP aborted by foreign l.o s t , logger rejecting. Code 2 - flo reset response f r or .i f o r e izn lio s t , (15 sec tir.lc-out) ncp not rcspondin [;. Code 1 - Fo r e l g n host DEAD status returned by IflP Host dead or disconnected. Code 0 - Ilo t surveyed or ' un de t e rra l ne d , All t ran s m iss ion i sin s tan dar J 8 - bit netVJO r k AS C I I b y t e s • A response tir.le of 200 (20 seconds) is sent for all other status -- except 5 (logger available). The entire survey data is for the time recorded on the first 1 ine (the survey usually takes only a co u p 1e 0 f r, r l nut e s ), and s h 0 u 1d beg 0 0 d to VJ i t h i n 20m i nut e s (1 0 ml nu t e s average). The above service is designeJ ~ore ·for use by programs but can also be used directly by human users. Other hosts on the A HP1\fJ [T r,I a y per i 0 J i c a l l y colle c t the sur v e yin f 0 rr .1 a t ion fro m u s anJ store and display the l n f o rma t l on as t he y please. They can also Jisplay to their user's the latest host availability l n f o rr.ia t l on w i t hou t actually doing the survey t her.ise l v e s , III. ACCE:';SIIIG SUI\VEY D/\T'\ Vii' TilE Ir:ET\:RK" PROGRAf·l To use the I;ET~:RI~ p r og r am connect to (via fCP) socket 1 of host 70 (i.e., login), and login by typing "I o a t n <host no>initials CI\." (e • .~., login 70akb <CR)>. After you are l og g e d in and receive the ";" o r or.ip t , invoke f!ET\Ir.K by typing "r 'ETl;RK <cn>" «Cr<> = Carriage Return). You Vii 11 get the ri e s s axe "Ile two r k cor .iman d s available, and the "Q" p r omo t f r ort CALICO fJETlmK. i ·JoYJ type any of tile f o l l ov.Ln g comr.ian d s and expect to receive t ype ou t of tile f o rm shown be l ov. :r (comments are in parenthesis)
Page 4: PAGE 4 "L/\ST lI.SLRV,I:l 1. OISPLJ\Ylr~G TilE RESULTS OF TilE QSURVey (you type " s u r v <CR)II) SUHVEY TAKEIJ AT 14:44:51 Ot~ 06/05/73 n: ---HOST--- ---rr--- ----STATUS----- OCT DEC uc 1 a -umc 1 001 Logger available sri-arc 2 002 Logger available ucs b-r.to d Zf 003 003 l .o s t disconnected u.tah-10 I~ uO 4 Logger available I.l i t -rnu 1 tic DOG OOG Logger available rand-rcc 7 007 Lo g ge r not r e s pon d i n g suc-auept ILl G08 l .o s t disconnected harv-10 11 009 Lor,her available 11 - G7 12 01U Logger not responding su-ai 13 all Log ger available case-10 15 013 Lo~ger available Cf,1U- OCC 16 014 Logger available i 11 i ac . 17 015 Logger available ar.ie s G7 20 01G Logger availabler usc-44 27 023 Logger available cca 37 031 ho s t disconnected p ar c -ma xc 40 032 Logger available ucsJ-cc 43 035 l.o g ge r ava i 1abl e uc1a-ccn 101 JGS Lo~ger available sri-ai 102 JGt) Logger avaiiable bbn-tenexa 105 uG9 Logger available rn i tr dmc g 10C 07J Logger available l'-tx2 112 074 Log ~er available emu -lOa 1 t 11G 078 Logger available usc-isi 12G OSG Logger not responding bbn-tenexb 205 133 Host disconnected mit-ai 20G 134 Log~er available l'-tsp 212 133 Logger rejecting r.l i t -m l 30G 198 Logger available 2. DISPLAYlr :G THE CURREr:r SLl~r:;\RY QSUl.1r.la ry. of. su rv e y s (you type sun <CR») 14 Surveys from 10:23:37 on OC/05/73 to 14:44:51 on ---I-;OST--- ---J--- -~~-UP- -RESP OCT DEC ucl a-rime lJJl Ou1 U9 3 ~~ 01.25 sri-arc 002 002 ' 07 9 ~~ 02.37 uc s b-r .io.I 75 aU3 DO) o2 ~ ~ ~ 00.'67 utah-10 OU .. 004 o7~;~ 01.43 ' ..rod t vmu l tic uu o uuli 100 ~ ~ G1.10 ranJ-rcc 007 uLl7 00 U ~. 00 '. I) 0 OC/05/73
Page 5: PAGE 5-, sde-a<.lept J10 008 000 ~~ 00.80 harv-10 011 009 1 J a~~ 00.19 ll-G7 012 U10 oor~ 1~.17 su-ai 013 all 100';.; 00.34 ease-10 015 013 100 % 01. 53 emu-ee 01G U14 o93 ~~ 00.22 i 11 i ae 017 015 U71 ~~ 01. 34 ames-G7 020 u1G 'J79~~ 02.39 u.se- 44 027 023 osnG UO.97 eea 037 031 o2 9?~ 02.15 pa r c-ruax c 040 032 1 OJ ~~ u1.3 Ll ues<.l-ee 043 035 o71 ~~ 01.57 uela-een 101 LlGS U9 3:~ uo.35 sri-ai 102 JuG 093 :; 00.99 bbn-tenexa 105 lJG9 100% 01.92 mi t -Jmeg lOG 070 100 ~6 00.38 * ll-tx2 112 074 07~% 01.08 emu-10alt 11G 073 08 G~~ 00.24 use-isi 12G 036 043 ;~ 11.32 bbn-tenexb 205 133 f)uO~~ OJ.OO r.i l t - a i 20G 134 10 O~; aO.G3 ll-tsp r.l it -roll 212 138 30G 193 00 0 ~~ 1\)0 ~; 00.00 00.G7 *1-11 T-[)! ·iCG \.'as really up 100 ~~ as it eOr.lpleted 14 surveys at "20 ninute intervals be tvze e n 1023 and 1444. 3. D I SPU\Y I rJG TilE LOi!GTERf·1 SUfTARY QLat IGte nil. SUI·ir.'a r y • 0 f • sur ve ys (you type "1ong(SP)sum( "SP>") 23232 Surveys from 19:43:24 on 04/27/72 to 10:03:32 on OG/OS/73 ---1:05T--- ---#--- -;;-UP- -RESP OCT OEC ue 1a-mole 001 001 o7 5 ~~ U1.0G s rl a r c 002 002 oG9;~ 01.70e uc s b-r.io d z S J03 003 05 G;~ 00.G9 utah-10 0.04 004 o71 ~~ 02.02 bbn-nee 005 005 000;; OO.OJ rn i t -r.1U 1 tic OOG aOli OLJ5;~ 04.52 ranJ-ree ;)07 007 oUa ;" 00.30 sJe-aJept 010 00.3 00 6 ~o 01.G7 harv-10 011 uu9 aG8 ~~ 00.17 ll-G7 012 u10 01 G ;~ 04.9~ su-ai 013 011 J 7 G:6 00.41 ease-10 015 013 o3 9;~ 00.75 cr.iu-ic c 01G 014 1.J7 5 :" 00.20 ill i ae 017 015 05 o:~ 02.95
Page 6: PAGE G . ames-G7 020 01G 045 ;~ 01.51 raJc-G45 · 022 013 OOO;~ uo.aD nbs-ccst 023 019 000 ~~ 00.J2 usc-44 027 023 0191; 00.36 cca 037 031 o3 O;~ 01.13 p a r c -rnaxc 040 032 00 1 ~~ 01.34 ucsd-cc 043 035 1115~~ 02.14 (also add results of Host 129) ucla-ccn 101 'H.i 5 oa1;~ 00.32 sri-ai 102 DGG 01 G~6 00.94 bbn-tenexa 105 OG9 07 3 ~6 01.13 . r,l it -dr.lcf, lOG 070 o9C ~~ 01.05 (real UP t l me is 'a bo u t 80;6) rand-csf, 107 071 G2 3 ~~ 01.32 (later changed to usc-isi) ll-tx2 112 074 00 0 ~~ 00.91 cmu-s I Oa 1 t 11G 078 035 ;~ 00.20 usc"':isi 12G 08G 03 a~~ 01.00 (previously Rand-CSG) ???????? 201 129 00 8?~ 02.01 (the old UCSD-CC Host) bbn-tenexb 205 133 o19;G 01.56 I.lit-ai 20G 13 1• 08 4;~ 00.82 l l r t s o : 212 138 00 O~~ 00.08 r.i l t -rn l 30G 1S3 073::; 00.73 4. D..l.S.tlAY I r j G If IE CUR RErJ I II 1ST0 RY 0 F l\ I ;0 SI QlilStory of l·llC (you type Ilhist<SP>nic<CR>t1) (You (,lay use any acceptable host n arne or number) 14 Surveys taken beginning 10:23:37 on OG/OS/73 Test ";01 LOGGER available Test ;102 LOGGER available Test #03 LOGGER available Test #04 LOGGER available Test Tl05 LOGGER not responding Test #QG lio s t dead Test #07 lio s t dead Test iIOS LOGLER available Test. #09 LOGGER available Test ilI0 LOGGER available Test ;/11 LOGGER available Test #12 LOGGER available Test #13 t!ot surveyed Test #14 LOGGER available Last survey at 14:44:51 on 06/05/73 5. DISPlJ\Yl rlG LO!jGT[r.I~ I:ISTORY OF A HOST ULOIJGterl.1.I :IStory of tHC (you type "l on g<SP>hist<SP>nic<CR>i,) . (You I,lay use any other acceptable host n arne or n umb e r )
Page 7: PAGE 7 23232 Surveys taken beginning 19:43:24 on 04/27/72 Undetermined 0 ti~es ( 0%) Host dead 5715 ti~es ( 25~) NCP not responding 0 times ( LOGGER rejecting 154G ti r.es ( LOGGER n o t responding 5 tines LOGGER available 159G4 ti nes Average response t I r.ie = O~) 7%) ( O?~) ( G9~) 1. 70 seconds Last survey at 10:03:32 on 06/05/73 G. DISPLAYJiJG HiE ACCEPTAGlE HOST I:Al iES QH05T$ ---J--DEC OCT U01 .001 \)02 002 003 003 004 OU4 005 005 DOG DOG 007 007 003 010 009 011 010 012 011 013 012 014 013 015 014 GIG 015 017 DIG 020 017 021 01S 022 019 023 020 .0 24 021 025 022 02G 023 027 024 U30 025 031 02G 032 027 033 023 U34 029 035 030 036 031 037 032 040 (to display the acceptable host names) --- .------ I lOSTS --------- STAiJDAHD IJAI·iE . uc 1 a nrncr sri-arc uc s b-t.io d 75 utah-10 bbn-ncc m i t -1 .1u 1 tic s rand-rcc suc-adept harv-10 11-G7 su-ai ill-ants ' case-10 cmu-cc i 11 i ac ames-G7 r.li t re radc-G45 ' n bs - c c s t etac tink-418 l.lccl-418 usc-44 gwc noaa-7GOO saac ai.ie c arpa aberdeen bbn-tip cca pa r c -rnax c t ·J I CK- : U\ll E5 sex-ucla nic multics harvard sail cmu i 4
Page 8: PAGE 8 033 041 f nwc 034 042 1b 1 035 043 ucsd-cc 065 101 ucla-ccn ccn-ucla 006 102 sri-ai OG9 105 bbn-tenexa bbn tenex 070 lOG 1,1 it -dr'lcg dmcg its 071 107 rand-csg 073 III harv-1 074 112 ll-tx2 073 116 cmu-i l Oa l t 079 117 ame s 08G 12G usc-isi is i 09G 140 parc-vts 133 205 bbn-tenexb 131~ 20G r,lit-ai a i 137 211 harv-11 133 212 ll-tsp 1~7 305' bbn-1d 198 30G 1,1 i t -1.11 THE FOLLm:1 ilG HOSTS ARE TERf ·lIl ·!AL Il~PS: 141~ 220 ar,le s - tip 145 221 r,li t r e - tip 14G 222 rauc-,tip 147 223 nbs-tip 143 .224 etac-tip 151 227 usc-tip 152 230 g\JC- tip 153 231 Jocb-tip 154 232 saac-tip 155 233 belvoir 15 ,0 234 a r o a-r t l o 158 236 bbn-testip 159 237 cca-tip 1G3 243 , a l o h a - t i p IV. FUTURE SERVICES \/e w l l l r.ia l n t a l n a CURREllT d a t ab a s e at the DATACm:UTER CCCA) by transfering the survey l n f o rrna t l on to the Dt-TACOl tPUTEF as soon as possible, l s e , , every 20 rn l nu t e s whe n e v e r the ' f),\TACO/,iPUTEr; is in operation. ~o it should be possible for other n e tv.o r k users to wr l t e their O\Jn query p r og r am s in DAT;\LAt:GUAGE. \'!e \'Jill provide one such Querry r ac l t l t v in our l:lDDLE s ub s y s t crn , He do have an existing database of survey data at the O,\Ti,C01 :rUTr.r., anJ also p r o g r ams exist in L LDDLE to access this database. As soon as the use anti f o rr.ia t of the d a t a at the DATI\COr : i-'LJTEr. database is
Page 9: PAGE 9 , , . . s t ab l 1 i zed we w l 11 publ ish a r.ierno on hOVI to use the database and- facilities to access it. If it is considered desirable by nc two r k' users and ARPA, vi e w l l l provide specialized services to display survey data o n . specific sockets, and/or via commands in fJET\JRK and f TDDLE. An exa~ple of such special i zed services is to display a week's or a -rnon t h f s Ho s t av a l l ab I l i t v profile. v. REQUEST FOR COr-:1 ·1EIJTS AIm Sl.'GGESTI OI:S . As r.icn t l on e d in m ·/G/RFC #523 (;llC #1 7 0 4 8 , IISUrUEY is in Ope rat ion ;\ ;;a i n II) i f you des ire a c han 8 e i nth eli s t of sit e s \'1 e survey, please call rile at G17-253-1I~23 or send rna l l to akb Qr ,lit drnc g or at 141C (iJent= a k b ) , Please let mee know if survey is l n corrv e n l e n c l n g anyone, \Je will try our best to resolve any p rob 1eras • Your cornme n t s and suggestions are invited for I rnp r ov crue n t s in the vav we collect, store, retrieve .. anJ display data. For e xe i.ro l e , s hou l d we me a s u r e the response t l ri e for actually getting s or.ic data on the Tt:LrlET connection, should we start s u r v e y l n g FT P soc ke t 3 a S VI ell ( per hap 5 1c s s 0 f ten ), s h 0 u 1d \ let r y t 0 actually login (only occassionally at random) anJ collect 5 tat i s tic sun s y s t em loa din g , t i (;; eta ken to log i net c ., and \'! hat services we should provide in addition to t ho s e vrn e n t l on e d above.

RFC 530: Report on the Survey Project

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