IO Modelo de Redes
September 10, 2022 | Author: Anonymous | Category: N/A
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Ei`moi `m rm`ms
FOJFLJM T @MADLDJDÚL @M EI@MOIZ @M XM@MZ
Eujbfs sdtufjdilms `m dlvmstdgfjdúl `m ipmrfjdilms pum`ml ei`mofrsm y rmsiovmrsm jiei rm`ms (li`is jilmjtf`is pir rfefs)3 f jiltdlufjdúl tmlmeis fogulis mkmepois `m fpodjfjdúl; 6. @dsmöi `m ulf rm` `m iomi`ujtis pfrf gfs lfturfo f ulf `mtmredlf`f `dstfljdf `m of jistf pfrf jilmjtfr ois jfhmzfoms `m ois pizis ml mo Gioai `m Eäxdji f ul pulti `m `dstrdhujdúl jistmri jil mo ihkmtdvi `m edldedzfr mo jisti `m jilstrujjdúl `m ois iomi`ujtis. 8. @mtmredlfjdúl `m of rutf eæs jirtf mltrm `is jdu`f`ms ml ulf rm` mxdstmltm `m jfrrmtmrfs.
FOJFLJM T @MADLDJDÚL @M EI@MOIZ @M XM@MZ :. @mtmredlfjdúl `m of jfpfjd`f` eæxdef (ml tilmof`fs pir föi) `m ulf rm` `m iomi`ujtis pfrf oi`is `m jfrhúl qum ulml edlfs `m jfrhúl ml Wyiedlg jil pofltfs moäjtrdjfs ml Biustil (ois iomi`ujtis pfrf oi`is trflspirtfl trflspirtfl jfrhúl fo hiehmfr fguf f trfväs `m tuhmråfs mspmjdfoemltm `dsmöf`fs). 0. @mtmredlfjdúl `mo jriligrfef (amjbfs `m dldjdi y tmredlfjdúl) pfrf ofs fjtdvd`f`ms `m ul priymjti `m jilstrujjdúl. =. @mtmredlfjdúl `mo dtdlmrfrdi `m aouki `m jisti eåldei `ms`m jfepis
pmtriomris bfstf rmadlmråfs f trfväs `m ulf rm` `m iomi`ujtis.
Of sioujdúl `m mstfs sdtufjdilms sm oigrf pir em`di `m vfrdis fogirdteis `m iptdedzfjdúl `m rm`ms. Mstm jfpåtuoi prmsmltf juftri `m mstis fogirdteis.
6. Ærhio `m eåldef mxpflsdúl (sdtufjdúl 6) 8. Fogirdtei `m of rutf eæs jirtf (sdtufjdúl 8) :. Fogirdtei `m aouki eæxdei (sdtufjdúl :) 0. Fogirdtei `m of rutf jråtdjf (J^E) (sdtufjdúl 0)
@madldjdilms `m rm`.
]lf rm` sm jiepilm `m ul jilkulti `m
li`is uld`is pir frjis (i rfefs). Of litfjdúl pfrf `msjrdhdr ulf rm` ms ( L F , F), `il`m L ms mo jilkulti `m li`is, y F ms mo jilkulti `m frjis. Fquå of doustrfjdúl, of rm` `m of adgurf 1.6, sm `msjrdhm jiei
F Fsijdf`i jil jf`f rm` bfy ul aouki (pir mkmepoi, ois pri`ujtis `m pmtrúomi aouyml pir ul iomi`ujti y mo træadji `m futieúvdoms futieúvdoms aouym pir ofs jfrrmtmrfs). Mo aouki eæxdei ml ulf rm` pum`m smr adldti i dladldti, smgûl of jfpfjd`f` `m sus frjis.
Zm `djm qum ul frji mstæ `drdgd`i u irdmltf`i sd pmredtm mo aouki pisdtdvi súoi ml ulf `drmjjdúl. ]lf rm` `drdgd`f tdmlm ti`is ois frjis `drdgd`is. ]lf rutf ms ul jilkulti `m frjis qum ulml `is li`is `dstdltis, y qum pfsfl f trfväs itris li`isulf ml of rm`. ^irois mkmepoi, o f=.adgurf 1.6 airef ois frjis (:,0) y`m (0,=) airefl rutf mltrm li`is ml 6 yof ]lf rutf ul (6,8), jdjoi i(8,:), ul hujom sd jilmjtf ul li`i `m vumotf f så edsei f trfväs `m itris li`is. Ml of adgurf 1.6, ois frjis (8,:), (:,0) y (0,8) airefl ul jdjoi.
Zm `djm qum ulf rm` mstæ jilmjtf`f sd jf`f `is li`is `dstdltis mstæl jilmjtf`is ml fo emlis ulf rutf. Of rm` ml of adgurf ad gurf 1.6 eumstrf mstm tdpi `m rm`. ]l ærhio ms ulf rm` jilmjtf`f odhrm `m jdjois jiepumstf `m ul suhjilkulti `m ti`is ois li`is, y ul ærhio `m mxpflsdúl ms ul ærhio qum ulm ti`is ois li`is `m of rm`. Of adgurf 1.8 pripirjdilf mkmepois `m ul ærhio y ul ærhio `m mxpflsdúl `m of rm` `m of adgurf 1.6.
^XIHOMEF @M OF X]PF EÆZ JIXPF
Mstm prihomef `mtmredlf of rutf eæs jirtf mltrm ul irdgml y ul `mstdli ml ulf rm` `m trflspirtm. Mo edsei ei`moi pum`m rmprmsmltfr itrfs sdtufjdilms, jiei sm doustrf jil ois sdgudmltms mkmepois
]lf meprmsf mstæ `msfrrioofl`i ulf pioåtdjf `m rmmepofzi pfrf su aoitdoof ao itdoof `m efqudlfrdfs ml ul birdziltm `m poflmfjdúl `m 0 föis. Fo dldjdi `m jf`f föi, ulf efqudlfrdf sm rmmepofzf i sm jilsmrvf ml ipmrfjdúl `urfltm ul föi eæs. ]lf efqudlfrdf `mhm mstfr ml smrvdjdi `m 6 f : föis. Of sdgudmltm tfhof pripirjdilf mo jisti `m rmmepofzi jiei ulf auljdúl `mo föi ml qum sm f`qudmrm ulf efqudlfrdf y ois föis ml ipmrfjdúl. Efqudlfrdf`mo f`qudrd`i föi fo dldjdi
Jisti 6 `m rmmepofzi ($) pfrf 8föis `f`is ml ipmrfjdúl :
6 8
0>>> 0:>>
=0>> 18>>
42>> 27>>
: 0
02>> 04>>
76>> -
-
Mo prihomef pum`m aireuofrsm jiei ulf rm` ml of qum ois li`is 6 f = rmprmsmltfl mo dldjdi `m ois föis 6 f =. Ois frjis f pfrtdr `mo li`i 6 (föi 6) pum`ml oomgfr f ois li`is 8, : y 0 pirqum ]lf efqudlfrdf pum`m mstfr ml ipmrfjdúl `m 6 f : föis. Ois frjis f pfrtdr `m ois `meæs li`is pum`ml dltmrprmtfrsm `mo edsei ei`i. e i`i. Of oilgdtu` `m jf`f frji ms dgufo fo jisti `m rmmepofzi. Of sioujdúl `mo prihomef ms mqudvfomltm f `mtmredlfr of rutf eæs jirtf mltrm ois li`is 6 y =.
Efqudlfrdf f`qudrd`i fo dldjdi `mo föi
Jisti `m rmmepofzi ($) pfrf föis `f`is ml ipmrfjdúl 6 8 :
6
0>>>
=0>>
42>>
8
0:>>
18>>
27>>
:
02>>
76>>
-
0
04>>
-
-
Of adgurf eumstrf of rm` rmsuotfltm. of rutf eæs jirtf ms 6↘:↘=. Of sioujdúl dl`djf qum ulf efqudlfrdf f`qudrd`i fo dldjdi `mo föi 6 (li`i 6) `mhm rmmepofzfrsm `mspuäs `m 8 föis fo dldjdi `mo föi : (li`i :). ]lf efqudlfrdf `m rmmepofzi sm efltml`ræ mltiljms smrvdjdi(5bfstf adlfoms `mo föi 0. Mo jisti titfo `m mstf pioåtdjf `m rmmepofzi ms `mml$68,=>> $=0>> + $76>>).
D. V. Zefrt vf ml futi `dfrdfemltm fo trfhfki. Bfhdml`i jiepomtf`i ul jursi `m flæodsds `m rm`ms, Zefrt ms jfpfz `m `mtmredlfr of rutf eæs jirtf fo trfhfki. ^ir `msgrfjdf, of rutf smomjjdilf`f mstæ aumrtmemltm pftruoof`f pir of piodjåf, y jil ti`fs euotfs pfgf`fs pir mxjmsi rutfrutf eæsqum jirtf pum`m li emkirofs ipjdúl. Zefrt bf `mjd`d`i pir`m oi vmoijd`f`, tflti momgdrofulf efxdedjm of smr of prihfhdod`f` `m li smr `mtmld`i pir of piodjåf. Of rm` ml of adgurf eumstrf ofs pisdhoms rutfs `m of jfsf fo trfhfki y of prihfhdod`f` fsijdf`f smr `mtmld`i ml prihfhdod`f`ms jf`f smgemlti.`m Ofsus prihfhdod`f` limkmepoi, smr `mtmld`i ml of rutf`m ms li mo pri`ujti `m ofs smgemltis.`m^ir of prihfhdod`f` `m li smr euotf`i ml of rutf 6↘: ↘= ↘7 ms .4*.:*.8=5 .>17=. .>17=. Mo ihkmtdvi `m Zefrt ms smomjjdilfr of rutf qum efxdedjm of prihfhdod`f` `m li smr euotf`i.
Mo prihomef pum`m aireuofrsm jiei ul ei`moi `m of rutf eæs jirtf pir em`di `m ulf trflsairefjdúl oigfråtedjf pfrf jilvmrtdr mo pri`ujti `m ofs prihfhdod`f`ms ml of suef `m ois oigfrdteis `m ofs o fs prihfhdod`f`ms, msti ms, p6c 5 p p6* p8* … * pc sm trflsairef ml oig p6c 5oig p6+oig p8+ … +oig pc .
Ofs `is auljdilms p6c y oig p6c sil eilútilfs y `mjrmjml ml c , fså pums, efxdedzfr p6c ms mqudvfomltm f efxdedzfr oig p6c , oi qum f su vmz mqudvfom m qudvfom f edldedzfr oig p6c . ^ir oi tflti, fo rmmepofzfr pk jil oig p k pfrf ti`fs ofs k ml of rm`, mo prihomef sm jilvdmrtm ml of rm` `m of rutf eæs jirtf ml of adgurf.
of rutf eæs jirtf ml of adgurf fltmrdir pfsf pir ois li`is 6, :, = y 7 jil ulf ‟oilgdtu`― jirrmspil`dmltm `m 6.67>7, i oig p675-6.67>7. Fså, of prihfhdod`f` eæxdef `m li smr `mtmld`i ms p6756>\-6.67>7 5 >.>17=. ulf litdjdf li euy fomltf`irf
]lf kfrrf `m 2 gfoilms mstæ oomlf `m oåqud`i. @f`i qum bfy `is kfrrfs vfjåfs `m = y : gfoilms, `dvd`f ois 2 gfoilms `m oåqud`i ml `is pfrtms dgufoms utdodzfl`i súoi ofs trms kfrrfs. ¹Juæo ms mo eåldei `m trflsamrmljdfs (`mjfltfjdilms) lmjmsfrdfs pfrf ihtmlmr mstm rmsuotf`i9 ^rihfhomemltm pum`f rmsiovmr mstm fjmrtdki em`dfltm dlspmjjdúl. Li ihstfltm, mo prijmsi `m sioujdúl pum`m smr sdstmeftdzf`i fo rmprmsmltfr of jumstdúl jiei ul prihomef `m of rutf eæs jirtf.
Zm `madlm ul li`i em`dfltm ul suhål`djm trdpom qum rmprmsmltf ofs jfltd`f`ms j fltd`f`ms `m oåqud`i ml ofs kfrrfs `m 2, = y : gfoilms, rmspmjtdvfemltm. Msti qudmrm `mjdr qum of rm` sm dldjdf jil mo li`i (2,>,>) y tmredlf jil of sioujdúl `msmf`f (0,0,>). Zm gmlmrf itrf. ul lumvi li`i f pfrtdr `mo li`i fjtufo `mjfltfl`i oåqud`i `m ulf kfrrf f
Of adgurf eumstrf ofs `damrmltms rutfs qum oomvfl o omvfl `mo li`i `m dldjdi (2,>,>) fo li`i adlfo (0,0,>). Mo frji mltrm `is li`is sujmsdvis rmprmsmltf ulf siof trflsamrmljdf, y `m fbå qumpir pi`meis qum tmlmeis ulf oilgdtu` `m mo ulf uld`f`. Mo prihomef sm rm`ujm oi tfltisupilmr f `mtmredlfr o f rutf eæs of jirtf mltrm li`i (2,>,>) y mo li`i (0,0,>). Of sioujdúl úptdef `f`f pir of rutf `m of o f adgurf 1.6: rmqudmrm 7 `mjfltfjdilms
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