Kuwiriranisa wachi mumasisitimu akagoverwa?

Kugadziridzwa kwekupedzisira: 25/10/2023
Munyori: Sebastian Vidal

Kuwiriranisa wachi mumasisitimu akagoverwa? Muzvirongwa zvakagoverwa, kupi zvishandiso zvakawanda kana makomputa anofanira kushanda pamwechete, zvakakosha kuti wachi dzese dzibatanidzwe kuti ive nechokwadi chekushanda kwakanaka uye kwakaringana. Kuwiriranisa wachi kunoreva pfungwa yekuti zvishandiso zvese vane pfungwa imwe chete yenguva, zvisinei nekusiyana kwewachi imwe neimwe. Izvi zvinogona kunyanya kukosha mumashandisirwo akakosha apo zviito zvakasiyana zvinofanirwa kuitwa panguva chaiyo. Kuwana kuwiriranisa chaiko mumasisitimu akagoverwa kunogona kuve kwakaoma, asi kune akasiyana algorithms uye matekiniki anogona kubatsira kuita izvi zvinobudirira. Muchinyorwa chino, isu tichaongorora iwo akakosha pfungwa dzekuwiriranisa wachi mumasisitimu akagoverwa uye zvinogoneka mhinduro. dambudziko iri zano.

Nhanho nenhanho ➡️ Clock Synchronization muDistributed Systems?

  • "Kuwiriranisa wachi mumasisitimu akagoverwa?"

Kuwiriranisa wachi mumasisitimu akagoverwa inyaya yakakosha kuti uve nechokwadi chekushanda kwakanaka uye kubatana pakati pezvikamu nemanodhi. pane network. Pazasi pane gwara nhanho nhanho Kuti unzwisise uye uwane kuwiriranisa wachi mumasisitimu akagoverwa:

1. Nzwisisa kukosha kwekubatanidza wachi: Muhurongwa hwakagoverwa, zvakakosha kuti node dzese dzive nekunzwisisa kwakafanana kwenguva. Izvi zvinobvumira zviitiko kuti zviitike mukurongeka kwakanaka uye kurongeka kwakanaka pakati pemanodhi.

2. Ziva zvinonetsa: Kuwiriranisa wachi mumasisitimu akagoverwa kunotarisana nematambudziko nekuda kwezvakasiyana zvinhu zvinogona kukanganisa nguva, senge network kunonoka, skew, uye wachi kukanganisa. Kunzwisisa matambudziko aya kwakakosha pakushandisa nzira dzakakodzera dzekuyananisa.

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3. Ongorora kuwiriranisa algorithms: Kune akati wandei maalgorithms uye maprotocol akagadzirirwa kuwana wachi kuwiriranisa mune akagoverwa masisitimu. Mimwe mienzaniso Nzira dzakakurumbira dzinosanganisira Christian's algorithm, Berkeley algorithm, uye Network Time Protocol (NTP). Izvo zvakakosha kuti utsvage uye unzwisise kuti nzira idzi dzinoshanda sei usati wasarudza yakanyatsokodzera kune yako system.

4. Gadzirisa yakasarudzwa synchronization protocol: Kana uchinge wasarudza algorithm yekubatanidza kana protocol, zvinodikanwa kuti uigadzirise nemazvo muhurongwa hwako hwakagoverwa. Izvi zvinosanganisira kugadzirisa ma parameter akakodzera uye kuve nechokwadi chekubatanidzwa kwakakodzera nemanode aripo.

5. Tarisa uye gadzirisa: Mushure mekushandisa wachi kuwiriranisa, zvakakosha kuti urambe uchitarisa kuita uye kurongeka kwekuenderana. Kana misiyano yakakosha ikaonekwa, gadziriso yacho ingangoda kugadziridzwa kana kuti algorithm chaiyo ingangoda kuitwa.

6. Chengetedza sisitimu yakagadziridzwa: Sezvo masisitimu akagoverwa anoshanduka, zvinodikanwa kuti uenderane nekufambira mberi kutsva muwachi yekubatanidza algorithms uye matekiniki. Kugara pamusoro pekutsvagisa kwazvino uye zvigadziriso zvinoita kuti system yako igare ichimhanya nemazvo uye nemazvo.

Clock synchronization mune akagoverwa masisitimu Inzira Yakaoma asi yakakosha pakuona kurongeka kwakaringana uye kushanda mumatiweki akagoverwa. Nekutevera nhanho idzi, iwe unozokwanisa kunzwisisa uye kuwana chaiyo kuwiriranisa, iyo inozovandudza zvakanyanya kushanda kweiyo yako yakagoverwa system.

Mibvunzo neMhinduro

Mibvunzo nemhinduro nezve wachi kuwiriranisa mune akagoverwa masisitimu

Chii chinonzi wachi kuwiriranisa mune akagoverwa masisitimu?

Clock synchronization mumasevhisi akagoverwa ndiyo maitiro ekubatanidza wachi dze zvishandiso zvakasiyana kana nodes mune network kuchengetedza nguva yakafanana. Izvi zvinonyanya kukosha munzvimbo dzinodikanwa kurongeka kwechinguvana pakati pezviitiko kana kuve nechokwadi chekuwanikwa uye kurongeka mumashandisirwo akaparadzirwa.

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Nei kuwiriranisa wachi kwakakosha mumasisitimu akagoverwa?

Kuwiriranisa wachi mumasisitimu akagoverwa kwakakosha nekuti:

  1. Inokutendera kuti umise kurongeka kwechinguvana pakati pezviitiko mumashandisirwo akagoverwa.
  2. Dzivisa kusawirirana uye kukanganisa kunokonzerwa nekusawirirana kwenguva pakati petiweki node.
  3. Inobatsira kuronga uye kurongeka kwezviitiko mumasisitimu akagoverwa.
  4. Inobvumira nguva-yakavakirwa dambudziko kuongororwa uye kugadzirisa.

Ko kuwiriranisa wachi kunowanikwa sei mumasisitimu akagoverwa?

Clock synchronization mune akagoverwa masisitimu Zvinogona kuwanikwa kuburikidza ne:

  1. Synchronization protocols seNTP (Network Time Protocol) kana PTP (Precision Time Protocol)
  2. Yakagoverwa synchronization algorithms senge Berkeley algorithm kana Christian algorithm.
  3. Kushandiswa kweakakosha hardware, senge maatomu wachi kana GPS.

Chii chinonzi Network Time Protocol (NTP)?

NTP (Network Time Protocol) iwachi yekuwiriranisa protocol inoshandiswa zvakanyanya mumakombuta network. Inobvumira zvishandiso kuwana uye kugadzirisa nguva yavo nekutarisa kune sevha yenguva chaiyo.

Chii chinonzi Precision Time Protocol (PTP)?

PTP (Precision Time Protocol) iprotocol yewachi yekuwiriranisa inopa kunyatsojeka uye kurongeka mukuwiriranisa kweakagoverwa masisitimu. Inowanzo shandiswa mumashandisirwo anoda kurongeka kwakanyanya kwenguva, senge telecommunication network kana maindasitiri ekudzora masisitimu.

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Ndezvipi zvakanakira kushandisa wachi yeatomu mukuyananisa masisitimu akagoverwa?

Mabhenefiti ekushandisa wachi yeatomu mukuyananisa masisitimu akagoverwa ndeaya:

  1. Kurongeka kwepamusoro uye kugadzikana kwenguva kunopihwa nemaatomu wachi.
  2. Kupokana nekukanganiswa kwekunze kunogona kukanganisa kurongeka kwewachi dzakajairwa.
  3. Iko kugona kuchengetedza chaiyo nguva yereferensi kunyangwe muzviitiko zvekurasikirwa kwekubatana nemamwe ma node.

Ndeapi anonyanya kugoverwa kuwiriranisa algorithms?

Iwo anonyanya kuparadzirwa akagovaniswa algorithms ndeaya:

  1. Berkeley algorithm.
  2. Chikristu algorithm.
  3. Lamport algorithm.
  4. Marzullo's algorithm.

Chii chinonzi Berkeley algorithm?

Iyo Berkeley algorithm ndeye yakagoverwa synchronization algorithm inobvumira node muhurongwa kugadzirisa nguva yavo zvichienderana neyatenzi wachi. Inosanganisira matanho anotevera:

  1. Iyo master node inotumira nguva yayo kumanode paInternet.
  2. Node dzinogadzirisa nguva yavo zvichienderana nemusiyano pakati penguva yavo yazvino uye nguva yakagamuchirwa kubva kune master node.
  3. Misiyano yenguva panetiweki inoverengerwa kuti ienderere mberi nekugadzirisa.

Chii chinonzi algorithm yaCristian?

Christian's algorithm ndiyo yakagoverwa synchronization algorithm iyo inobvumira node kukumbira nguva yazvino kubva kune server yenguva. Inosanganisira matanho anotevera:

  1. Iyo mutengi node inotumira chikumbiro chenguva kune server.
  2. Sevha inopindura nenguva yayo iripo.
  3. Iyo mutengi node inoverengera musiyano wenguva pakati penguva yakagamuchirwa uye yayo yapfuura nguva, nekudaro kugadzirisa kwayo kuwiriranisa.