Kev tswj cov ntaub ntawv thiab cov ntaub ntawv cov ntaub ntawv dog dig yog ob qho sib txawv ntawm cov network, uas muaj qhov sib txawv tseem ceeb hauv kev tsim, muaj nuj nqi, ntawv thov. Hauv daim ntawv no, peb yuav qhia txog qhov sib txawv ntawm kev tswj hwm kev lag luam thiab cov ntaub ntawv zoo tib yam hauv kev nthuav dav, suav nrog lawv cov lus txhais, cov yam ntxwv thiab kev tsim kho kev ua haujlwm thiab kev tsim kho cov txuj ci.
1.Douchition
Muaj kev tswj hwm network yog lub network tshwj xeeb tsim rau kev lag luam automation thiab kev sib pauv cov khoom siv rau kev saib xyuas, tswj cov txheej txheem ntau lawm. Kev tswj hwm kev tswj hwm feem ntau yog txais kev sib txuas lus tiag tiag thiab txhim khu kev qha kev sib txuas lus kom tau raws li qhov siab thiab kev ntseeg tau hauv kev lag luam cov txheej txheem ntau lawm.
Cov ntaub ntawv cov ntaub ntawv zoo tib yam yog cov network siv rau txhua hnub hauv chaw ua haujlwm, xws li kev sib txuas lus thiab kev sib txuas lus thiab Is Taws Nem. Cov ntaub ntawv zoo tib yam siv tau siv tsis yog-lub sijhawm, tsis muaj kev pab sib txuas lus kom tau raws li cov neeg siv khoom lag luam network, hloov tau zoo, thiab tus nqi ua haujlwm zoo.
2. Cov yam ntxwv
Kev tswj cov ntaub ntawv thiab cov ntaub ntawv cov ntaub ntawv zoo tib yam sib txawv hauv cov kab ke hauv qab no:
2.1 lub sijhawm tiag tiag
Kev tswj hwm kev tswj hwm yuav tsum muaj qib siab ntawm lub sijhawm tiag tiag-sijhawm los xyuas kom cov txheej txheem txuas ntxiv thiab muaj kev ruaj ntseg ntawm cov txheej txheem ntau lawm. Muaj cov tes hauj lwm siv feem ntau siv cov kev sib txuas lus tiag tiag, xws li Profibus, Modbus, thiab lwm yam Cov txheej txheem ntawm cov ntaub ntawv kis tau.
Cov ntaub ntawv cov ntaub ntawv zoo tib yam muaj qhov yuav tsum tau ua tsawg rau lub sijhawm tiag tiag, thiab cov neeg siv tau tuaj yeem lees txais qee yam kev ncua sijhawm. Qhov kev sib txuas lus sib txuas lus siv hauv cov ntaub ntawv dog dig, xws li TCP / IP, tuaj yeem ntseeg tias kev ntseeg tau ntawm cov ntaub ntawv kis tau, tab sis qhov kev ua tau zoo tiag tiag yog cov neeg txom nyem tiag tiag.
2.2 Kev ntseeg tau
Kev tswj hwm kev tswj hwm yuav tsum muaj kev sib txuas lus ntau heev, vim tias muaj kev sib txuas lus tsis muaj peev xwm ua rau muaj kev cuam tshuam ntau lossis khoom siv kev puas tsuaj. Kev tswj cov tes hauj lwm feem ntau siv cov qauv tsim, kev txhaum nrhiav kom meej thiab rov qab txhais tau tias txhawm rau txhim kho kev ntseeg tau ntawm cov kab ke.
Yuav tsum muaj cov ntaub ntawv zoo tib yam muaj cov kev ntseeg tau tsawg tsawg, thiab cov neeg siv tau tuaj yeem lees txais qee yam kev poob ntawm cov ntaub ntawv poob lossis yuam kev. Cov ntaub ntawv zoo tib yam feem ntau tau txais kev kho cov tshuab, xws li Retransmiss mechanism ntawm TCP, txhawm rau kom muaj kev ntseeg tau ntawm cov ntaub ntawv kis.
2.3 Kev Ruaj Ntseg
Muaj kev tswj hwm kev lag luam xav tau kev nyab xeeb heev vim tias cov ntaub ntawv xau lossis ua phem rau hauv cov txheej txheem ntau lawm yuav ua rau muaj kev loj dua lossis kev poob nyiaj txiag. Kev tswj cov tes hauj lwm feem ntau tau txais kev ntsuas kev ruaj ntseg, xws li nkag mus saib xyuas, txhawm rau tiv thaiv cov ntaub ntawv.
Cov ntaub ntawv decternary networks muaj qhov yuav tsum muaj kev nyab xeeb tsawg, thiab cov neeg siv tau feem ntau lees txais qee cov ntaub ntawv xau lossis ua phem. Cov ntaub ntawv siv cov ntaub ntawv zoo ib txwm siv kev ntsuas kev nyab xeeb zoo, xws li cov software hluav taws xob thiab cov tshuaj tiv thaiv kev ua phem, kom tiv thaiv kab mob uas ua phem thiab kab mob.
2.4 Kev Ntsuas
Kev tswj cov tes hauj lwm feem ntau muaj cov ntsuas hluav taws xob zoo vim tias cov cuab yeej siv tau ntxiv lossis hloov hauv cov txheej txheem ntau lawm. Muaj kev tswj hwm tes hauj lwm siv cov qauv tsim qauv thiab cov qauv sib txuam los pab txhawb ntxiv thiab hloov cov khoom siv.
Cov ntaub ntawv cov ntaub ntawv dav dav yog cov ntsuas tsis yooj yim vim tias cov neeg siv tsis feem ntau ntxiv lossis hloov cov khoom siv ntau. Cov ntaub ntawv cov ntaub ntawv network siv cov qauv tsim qauv thiab tsim qauv rau tus nqi los txo cov nqi thiab piv txwv.
3.Application scenarios
Kev tswj hwm kev tswj hwm feem ntau yog siv hauv kev lag luam Automation thiab tswj cov kab, cov ntaub ntawv tau txais, cov ntaub ntawv tau txais thiab tsom xam, thiab lwm yam xwm txheej. Kev tswj hwm kev tswj hwm feem ntau yog siv rau hauv cov chaw tshwj xeeb, cov av noo, cov chaw nres tsheb fais fab thiab lwm qhov chaw muaj.
Cov ntaub ntawv cov ntaub ntawv zoo tib yam yog siv rau chaw ua haujlwm txhua hnub, xws li kev sib txuas lus, hauv Is Taws Nem, e-mail, thiab online ua si. Cov ntaub ntawv cov ntaub ntawv zoo tib yam feem ntau yog siv rau hauv chaw ua haujlwm, tsev, tsev kawm ntawv, thiab lwm qhov chaw.
4.Txoj Yuav Tsum Tau
Kev tswj cov ntaub ntawv thiab cov ntaub ntawv cov ntaub ntawv dog dig muaj cov kev sib txawv hauv qab no hauv kev xav tau:
4.1 Kev Sib Txuas Lus
Muaj kev tswj hwm tes hauj lwm feem ntau Cuag
Cov ntaub ntawv dog dig cov ntaub ntawv feem ntau siv tsis yog-lub sijhawm, HTTP, FTP / IP, FTP / IP, FTP / FLECE thiab cov khoom siv tau thiab raug nqi zoo.
4.2 Ntaus Ntawv Ua Tau
Kev tswj hwm kev tswj hwm muaj cov cuab yeej tswj tau ntau heev vim tias cov khoom lag luam tsis txaus nyob hauv cov txheej txheem ntau lawm lossis kev poob nyiaj txiag. Kev tswj hwm kev tswj hwm feem ntau siv cov khoom ua haujlwm siab thiab cov cuab yeej ntseeg siab, xws li PLCS, DCSS, RTus, thiab lwm yam.
Cov ntaub ntawv dectoms dog dig muaj qhov yuav tsum muaj qhov tsawg dua cov khoom siv ua tau zoo, thiab cov neeg siv tau tuaj yeem lees txais qee yam kev ua tsis tiav. Cov ntaub ntawv dog dig niaj zaus siv tus nqi qis, khoom siv tau yooj yim, xws li routers, hloov pauv, servers, servers thiab lwm yam.
4.3 Network architecture
Kev tswj cov tes hauj lwm feem ntau yuav faib cov architecture kom paub kev nkag mus rau cov khoom siv thiab cov ntaub ntawv xa tawm sai. Muaj kev tswj hwm tes hauj lwm siv cov qauv tsim qauv thiab cov qauv sib txuam los pab txhawb ntxiv thiab hloov cov khoom siv.
Cov ntaub ntawv cov ntaub ntawv dav dav yog feem ntau yog hauv nruab nrab los piv rau kev tswj hwm thiab txo tus nqi. Cov ntaub ntawv cov ntaub ntawv dav dav Siv cov tswv lag luam thiab cov qauv tsim kom tau raws li cov kev xav tau ntawm cov xwm txheej tshwj xeeb.
5. Txhawb nqa
Nrog rau kev txhim kho kev lag luam 4. {{{1} thiab ntse tsim, kev tswj hwm kev sib koom ua ke tau txav mus rau kev sib koom ua ke loj dua, thiab kev sib koom ua ke. Tom ntej muaj cov ntaub ntawv tswj hwm yuav ua kom pom ntau dua ntawm cov ntaub ntawv tiag tiag, kev ntseeg tau thiab kev ruaj ntseg kom tau raws li qhov xav tau ntawm cov kev lag luam ntse thiab kev lag luam hauv Is Taws Nem.
Cov ntaub ntawv cov ntaub ntawv cov ntaub ntawv tseem tab tom txhim kho hauv kev coj ua ntawm ntau dua kev nrawm, hloov tau thiab kev nyab xeeb. Nrog rau kev txhim kho ntawm cov thev naus laus zis xws li 5g, iOl thiab huab suav yuav ua kom tau raws li cov neeg siv kev xav tau rau cov kev pabcuam hauv network.