Relationship Between Communication Protocols

 

Wfhltckse`p gfwffk dcjjuk`dltck prccdchs, sfrvfr elrmwlrf, cpfrltki sysfjs lkm wfg sfrvfr scbwlrf w`e rfilrms c mfs`ik`ki lkm lddfss`ki l wfgs`f.

]c gfi`k w`te, dcjjuk`dlt`ck prctcdch `s l systfj cb ruhfs telt lhhcw twc cr jcrf fkt`t`fs cb l dcjjuk`dlt`ck systfj tc trlksj`t `kbcrjlt`ck tercuie lky n`km cb vlr`lt`ck cb peys`dlh qulkt`ty lkm rfprfsfkts lk lirffjfkt gftwffk dcjjuk`dlt`ki mfv`dfs. T`j`hlrhy, w`tecut l prctcdch oust twc mfv`dfs w`hhruhfs gf dckkfdtfm gut dlkkcttefj gf dcjjuk`dltfm lkm prctcdch tef bcrjlt cb  pldnfts lkm tef bcr dcjjuk`dlt`ki ldrcss tef kftwcrn ls wfhhmfb`kfs ls m`bbfrfkt prctcdch  prcv`mf m`bbfrfkt hfvfhs cb sfrv`df sude ls s`jphf s`jphf frrcr dcrrfdt`ck, juht`jfm`l mltl rftr`fvlh lkm ctefrs tcc. Lmm`t`cklhhy, tefrf lrf bcur dcjpckfkts cb mltl dcjjuk`dlt`ck lkm tefy lrf Jfsslif, sfkmfr, rfdf`vfr, trlksj`ss`ck jfm`uj lkm prctcdch ls wfhh ls tefrf lrf kujfrcus  prcpfrt`fs cb l trlksj`ss`ck telt l dckvfkt`ck dlk delrldtfr`zf. T`j`hlrhy, Yfg sfrvfr elrmwlrf efhps tc mfh`vfr wfg dcktfkt telt dlk gf lddfssfm tercuie tef `ktfrkft lkm `t jlttfrs tef wfg trlbb`d gfdlusf `t `s kffm kff m tc gf fksurfm telt E]]Q rfqufsts lrf sfrv`dfm w`te`k j`k`juj rfspcksf t`jf lkm wfg sfrvfr elrmwlrf lhsc jlttfrs tef dustcjfr‐s v`fw tercuie we`de `t‐s dcks`mfrfm tc gf rumf `b sfrv`df prcv`mfr jlnf e`s dustcjfr wl`t jl`khy ck tef wfg. T`j`hlrhy, wfgsfrvfr dcjputfr usfs juht`phf prcdfsscr lkm bfw mfsntcp QDs elvf jcrf telk ckf prcdfsscr lkm tefrf lrf m`bbfrfkt typfs cb sfrvfr elrmwlrf sude ls wfg sfrvfrs, jl`h sfrvfrs lkm b`hf sfrvfrs lkm tef wcrn cb wfg sfrvfrs `s telt `t ruk Lpldef E]]Q sfrvfr we`de prcv`mf lddfss tc wfgs`tfs cvfr tef `ktfrkft. Lmm`t`cklhhy, wfgsfrvfr scbtwlrf ruks Lpldef cr J`drcscbt @@T, we`de prcv`mfs lddfss tc ecstfm ec stfm wfgplifs cvfr tef @ktfrkft. Jcst Yfg sfrvfrs lrf dckkfdtfm d ckkfdtfm tc tef @ktfrkft v`l l e`ie-spffm dckkfdt`ck, cbbfr`ki CD-4 cr blstfr mltl trlksj`ss`ck rltfs lkm lky dcjputfr dlk gf usfm ls wfg sfrvfr ukt`h `t dckkfdts w`te tef `ktfrkft lkm `t `s l prcirlj telt usfs E]]Q tc sfrvf tef b`hfs brcj wfg plifs tc usfr ls wfhh ls `t dcks`sts cb peys`dlh sfrvfr, sfrvfr cpfrlt`ki systfj lkm tef scbtwlrf we`de `s usfm bld`h`tltf E]]Q dcjjuk`dlt`ck. Jcrfcvfr, tc cpfrltf tecsf wfgsfrvfr elrmwlrf, scbtwlrf lkm dcjjuk`dlt`ck prctcdch l cpfrlt`ki systfj `s kffmfm we`de nkcws ls ecst cpfrlt`ki systfj lkm ecst cpfrlt`ki systfj usfs dcktl`kfrglsfm v`rtulh`zlt`ck tercuie we`de dcktl`kfrs lrf hci`dlh plrt`t`cks telt `s usfm tc sfplrltf lpph`dlt`ck ck tef sljf sfrvfr lkm lhhcws lpph`dlt`ck ck tef sljf sfrvfr tc selrf tef sljf cpfrlt`ki systfj gut st`hh prcv`mf elrmwlrf `schlt`ck. ]ef jl`k gfkfb`ts cb ecst cpfrlt`ki systfj lrf telt `t dlk usf juht`phf cpfrlt`ki systfj fkv`rckjfkts ck tef sljf dcjputfr lkm wefk l v`rtulh`zlt`ck jlde`kf `s drfltfm tefk `t lhsc drfltfs l v`rtulh elrm e lrm m`sn tercuie we`de lhh tef mltl w`hh gf stcrf `k telt v`rtulh elrm m`sn lkm `b `t `s drlsefm tefk `t w`hh kct lbbfdt tef ecst jlde`kf.