Počítačové sítě I, lekce 6: Techniky přenosu dat

8/11/2019 Potaov st I, lekce 6: Techniky penosu dat

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+g @l%%+ ? %g7 'krltk mno 7g mgtgonvkt vjg j$&

kfg tko %g% zmkfgok mnon%kf/? > (km) j$&%gmgtgo)+g

'rl%jl'0 fno mkt, )rg%/ o '(g%ns), sg l%tgr'rgt)+g +kon'nsfn)'%nst &t2Tsfnv

+gm%ntflv &t&Tsfnvk ttn 'nsfn)'%nstl sg sgtn) kftgr%ktlvk0 mf sg +g+lj$ [A

v/sfgm%/ sn)gt sg 'n)7l+g +kon zk gz'gnvkj

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:n7%nst, k & '(+g:jg mkf %k+gvn nmgslfktgfl, 7g : mktk nmgsfkt z%nv)jgf/ fno!

(g sg 'n:nj pntv &nve kjoenKfgm7giget ! spnfge g v*g n&eknven kon B5J ( B$tniktlj5gpgkt gJ$gst !

+mg n 'ntvrznvkj strktg1ll l 'ntvrznvkj sj$:k?! kotljo& +mg n jgf/ 'rntnonf 'rn zk+l t% s'nfg$flvnstl '(g%ns)

g9lst$ g vjg '&e.j% pntv &nvkjj% st ktg7l (B5J!02 gmentflv pntv &nve (ZtnpMQklt B5J! v&)7v +gm%ntflv 'ntvrznv % k '(gm nmgsf %: mkf $n fno) go %k ofkm%!

'ntvrzg% '(gmj$nz$n fno)G2 onetle$fe pntv &nve s ev ktgi (Cn-Akjo-E B5J!

v&)7v on%tl%) f%$n 'ntvrznv % k '(l n'konv % '(g%ns) rgtrk%s:lsln%! sgvrkj o :st), omg o j$& Tztr t mn fn

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Xntknvst L

vgrzg =.8, fgojg 3, sflmg*K

;K*3 &t2 ;K*3 &t2

OFD

'ntvrznv %

gmenm$j% k /pink st ktg7lg s%km%n sg l:'fg:g%t)+g

&fk 'n)7ltk %k'(. v 'rntnonfgj$ LX[TZX[ s'nfg%nstl Envgff +g+: m2sfgmog: +g 'nfnHm)'fg]% j$krkotgr on:)%lokjg

%lom& sg %g'(g% n :k s:r& sn)ks% egv.%nm+0

+g %gg gotlv% v stj$ s vt fktg%jTmn n) n r to& ##!

'(ofkm0 ;8 ltTs Jt$gr%gt

fno ;

OFD

z'n7m%'(g%ns)

t # OEZ Y ;** , asvgt% :gzgr& :gzl

fno&!

z'n7m%

sl1% f)tX AX

z'n7m% '(g%ns)

tOFD Y

K;,* as

t # OEZt # OEZ C t OFD C * d t X AX

g gotlv%nst Y

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sl1% f)tX AX

v :BE ( t%g egt!0t X5 X @GO,F Is

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Xntknvst L

vgrzg =.8, fgojg 3, sflmg*3

on%tl%) f% 'ntvrznv % p nbfi gmentflv%n pntv &nve0

$nm sg +g% mn fno f%j$ st %lonfl mn st rnzfg$f/j$

kftg ektlvk p n n&fg%f st %ggokt %k 'ntvrzg%, kfg l$%gm 'nsfkt mkf fno&

tgm&0 +g t m(vg, %g7 '(l+mg 'ntvrzg% '(gmj$nzj$ fno2 vfkst%0 fno& sg 'nsfk+ sn)vlsfg, on%tl%) f% jn%tl%)n)sf&!

'rntn0 onetle$fe pntv &nve 4netle$n$s B5J ! 'ntvrzg% '(lj$ z k7 'nzm+l? z't%! ..

p kotljo kspgot+0 jn mfkt, om&7 %+ko 'ntvrzg% %g'(l+mg v2 gj %g n +g %g1ktlv%!-

:gzlt: +l7 :n$fn /t nmgsf %n vjg mkf j$ fno2 .. :n7% (g g%0

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'nork)+g z%nv)! nm tn$ntn :stk t+. %otgr +l7 nmgsfk% fno& sg nmgsfk+ z%nv&

sgfgotlve npkonve Zgfgjtlvg g'gkt O ! nmg fg sg 'n)zg sgfgotlv%?! tg% fno, otgr/ &f 'n onzg% l ztrkjg%, 'ko

sg 'nork)+g +kon om& & o 7 m% j$& %gmn fn

fno ; fno * fno 5 fno =

OFD ;

OFD *

OFD 5

'n)7v 'rntnonf #FX z #FXTLX

#FX 'n)7vstk%mkrm%

#FX ):? vnfltgf%

4netle$ns B5J

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Xntknvst L

vgrzg =.8, fgojg 3, sflmg*G

% vrktg:

p lejlp0 'n onzg%/Tztrkjg%/ fno sg '(g%gsg z%nv)

k 'n %: sg 'nst)'% '(g% % sfgm)+j fno& otgr +l7 :n$f& /t nmgsf %& k t(g k l @s' % mnr)g%&!

v.%nm+0 +g tn +gm%nm) %k l:'fg:g%tkjl 'rn '(+g:jg +g tn +gm%nm)

om&7 '(l+:g 'n onzg%/ fno %g n :) %otgr/ fno v&'km%g? ov2fl ztr t!,%g:)s )of mkt mkf fno& mn )4gr2 k 'n)zg go %k n'konvk% zksf %'n onzg%$nTztrkjg%$n fno)

'rntn7g mkf fno& mnstk%g? z%nv) egv.%nmk0

'f/tv sg '(g%nsnvn) ok'kjltn) +l7 +gm%n) '(g%gsg% fno& sg '(g% z%nv)

nmgslfktgf

p`gijg

fno ; fno * fno 5 fno = fno K fno 3 fno G fno 5 fno = fno K fno 3

OFD;

OFD*

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Xntknvst L

vgrzg =.8, fgojg 3, sflmg*

sgfgotlv% n'konv % p lejlp0

'n onzg%/Tztrkjg%/ fno sg '(g%gsg z%nv)

m fg sg 'nork)+g, +kon om& & o 7 m% j$& Tztr t %gmn fn +sn) '(g% g%& t& fno&, otgr +g t %g &f& '(g%gsg%& v.%nm+0

%g'f/tv sg '(g%nsnvn) ok'kjltn) +gm%ntflv fno& mkt sg %g'(g% z &tg%!

egv.%nmk0 'rn '(+g:jg +g tn % rn%+ fno&, '(g% g% 'n 'n onzg%:Tztrkjg%: fno), :)s )of mkt mn z sn &?mn )4gr2!, kfg +g t +g %g:27g z'rkjnv vkt

sg z'rkjnv %: :)s gokt %k n'konvk%/ '(g%ns 'n onzg%$nTztrkjg%$nfno)

nmgslfktgf

p`gijg

fno ; fno * fno 5 fno = fno K fno 3 fno G fno 5 fno fno < fno;8

OFD;

OFD*

EOFD5

)4gr

Zgfgjtlvg g'gkt On'ko)+g sg sgfgotlv%! 'n)zg

'(g%ns 'n onzg%$nTztrkjg%$nfno)

fno = fno K fno 3

OFD=

OFDK

OFD3

OFDG

OFD5

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fno G fno 5

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Xntknvst L

vgrzg =.8, fgojg 3, sflmg* t: (o , onflo mkf j$ mkt +gsj$n'g% '(l+:n)t tkotn tn )%1)+g v 'rntnonf) #FX %k trk%s'nrt% vrstv

[nK jnet nf

%g%@zo/:$rmfg:

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Xntknvst L

vgrzg =.8, fgojg 3, sflmg5*

'(gmj$ zg% zk$fjg% mg n g*ge le%n p nbfi$, eg) $ &ge tno$

(zg% tno)0

'rn f:g: +g mls'rn'nrjg :gzlok'kjlt%:l :n7%nst:l nmgslfktgfgk '(+g:jg

+g+lj$ 'rn'n+g% s9! mn 'rn f:)%gvst)')+g > : mnstktg%n)ok'kjlt)

'(gmj$ zg% zk$fjg%0 'rn f:g: +g ok'kjltk 'rn'n+g%

st! :gzl nmgslfktgfg: k '(+g:jg: :27g /t %gmnstktg% k :27g

mn+t o zk$fjg% ttn st tktn s9 :27g /t zkt7nv %k tko

mkf :l '(g%ns&, otgr 'rn $k+

sn) 7% hhhh ok'kjlt% :n7%nstl nmgslfktgfg k'(+g:jg +sn) mnstktg% 'rn f:%gnvflv6)+!

g*ge ( ko pgmj%&gt &k%fjge!0

mn'(gm% tgj$%lo& s%k7 sg nvflv6nvkt tn, jn sg 'nsf mn st %g'nsfkt mn st tkonv mktnv tno&, otgr & z'2sn lf& zk$fjg%

on%ort%0 tgj$%lo& )'rkvnv % 'rnvnz)? trk_j jn%mltln%l%1! z't%nvkzg % tgj$%lo&

s%k7 sg z't% rgk1nvkt %k '(z%ko& zk$fjg% l g]'fljlt% z'r v&T$f g% nzk$fjg%!

n:gz) mkf v sf %

jne7gstlnejnet nf

+g @zo/:$rmfg:

+g @zo/:$rmfg:

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Xntknvst L

vgrzg =.8, fgojg 3, sflmg55

zk$fjg% &ptenvk&gbe tgj%elo+ 'nt(g )+ sg %+ko mnzvmt, 7g

mn fn o zk$fjg% '(g%nsnv st 'nt(g )+ %+kon) nr:) z't%vkz &

:n7%nstl0 nmgslfktgf mnstk%g g]'fljlt%

l% nr:kjl

v #FXTLX0 LF X z'r vk Zn)rjg)g%j$ +gm%nstrk%%/ v/o(lo? nm

s:rnvkg, 7g sg f7T+l7 %kstkfn +g$n zk$fjg% :nj sg %g'n)7v

mgm)ojg0 nmgslfktgf sl %+komn:&sf, 7g mn fn o zk$fjg% st

'rntnonf #FX0 om&7 %gmnstk%gvks 'ntvrzg%, l%tgr'rgt)+g tn

+kon zk$fjg% otgr z'2sn lf 'r v n% hhhh rgk1)+g '(gj$nmg: %k rg7l: sfnb

stkrt?

mnpgme tgj%elo+ %g'nt(g )+ 7 m%n) z't%n) vkz )

s%k7 sg )'rkvnvkt tg% 'rnvnz,otgr/ tg'rvg vst)')+g mn'(g%nsnv st v ngo v %, 7g o zk$fjg%

%gmn+mg n gj%0 tzv. t kRj jnemltlnele7

'rkj)+ s )rlt/: '(gm'nofkmg:n tn:, jn s9 +g t )%gsg? k%l7 & mn fn o +g+:) zk$fjg%

+kon &0 z% fk9o)? :n7%nstl0

t kRj s%kple7 'rnvnz, otgr/ +g %km fk9o)?, sg

s%k7 'nzmr7gt k '(g%st 'nzm+l

t kRj pnfljle7' tg / +g %k fk9 )?

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Počítačové sítě I, lekce 6: Techniky přenosu dat

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