Ukuvumelanisa iwashi kumasistimu asabalalisiwe? Ezinhlelweni ezisabalalisiwe, kuphi amadivayisi amaningi noma amakhompyutha kumele asebenzisane, kubalulekile ukuthi wonke amawashi avunyelaniswe ukuze kuqinisekiswe ukusebenza kahle nokunembile. Ukuvumelanisa iwashi kubhekisela embonweni wokuthi wonke amadivayisi babe nombono ofanayo wesikhathi, kungakhathaliseki ukuhluka kwamawashi ngamanye. Lokhu kungabaluleka ikakhulukazi ezinhlelweni zokusebenza ezibucayi lapho izenzo ezehlukene kufanele zenziwe ngezikhathi eziqondile. Ukuzuza ukuvumelanisa okunembile kumasistimu asabalalisiwe kungaba inselele, kodwa kukhona ama-algorithms ahlukene namasu angasiza ukufeza lokhu ngempumelelo. Kulesi sihloko, sizohlola imiqondo eyisisekelo yokuvumelanisa iwashi ezinhlelweni ezisabalalisiwe kanye nezixazululo ezingaba khona le nkinga inkomba.

Isinyathelo ngesinyathelo ➡️ Ukuvumelanisa iwashi ezinhlelweni ezisabalalisiwe?

• "Ukuvumelanisa iwashi kumasistimu asabalalisiwe?"

Ukuvumelanisa iwashi ezinhlelweni ezisabalalisiwe kuwudaba olubalulekile ukuze kuqinisekiswe ukusebenza okulungile nokuxhumana phakathi kwezingxenye namanodi. kunethiwekhi. Ngezansi umhlahlandlela Igxathu emvakwe gxathu Ukuze uqonde futhi uzuze ukuvumelanisa kwewashi kumasistimu asabalalisiwe:

1. Qonda ukubaluleka kokuvumelanisa iwashi: Kuhlelo olusabalalisiwe, kubalulekile ukuthi wonke ama-node abe nombono ofanayo wesikhathi. Lokhu kuvumela izehlakalo ukuthi zenzeke ngendlela efanele futhi ukuxhumana phakathi kwamanodi kusebenze kahle.

2. Yazi izinselele: Ukuvumelanisa iwashi kumasistimu asabalalisiwe kubhekana nezinselele ngenxa yezinto ezihlukahlukene ezingase zithinte isikhathi, njengokulibaziseka kwenethiwekhi, ukutsheka, namaphutha wewashi. Ukuqonda lezi zinselele kubalulekile ekusebenziseni amasu afanele okuvumelanisa.

3. Phenya ama-algorithms wokuvumelanisa: Kunama-algorithms ambalwa namaphrothokholi aklanyelwe ukufeza ukuvumelanisa kwewashi kumasistimu asabalalisiwe. Ezinye izibonelo Ezidumile zihlanganisa i-algorithm ka-Cristian, i-algorithm ka-Berkeley, ne-Network Time Protocol (NTP). Kubalulekile ukucwaninga nokuqonda ukuthi lezi zindlela zisebenza kanjani ngaphambi kokukhetha elungele kakhulu uhlelo lwakho.

4. Lungiselela iphrothokholi yokuvumelanisa ekhethiwe: Uma usukhethe i-algorithm yokuvumelanisa noma iphrothokholi, udinga ukuyilungisa kahle ohlelweni lwakho olusabalalisiwe. Lokhu kuhlanganisa ukulungisa amapharamitha afanelekile kanye nokuqinisekisa ukuhlanganiswa okufanele namanodi akhona.

5. Gada futhi ulungise: Ngemva kokufaka ukuvumelanisa iwashi, kubalulekile ukuqhubeka nokuqapha ukusebenza nokunemba kokuvumelanisa iwashi. Uma kutholwa ukuchezuka okubalulekile, izilungiselelo zingadinga ukulungiswa noma kufanele kucatshangelwe i-algorithm enembe kakhudlwana.

6. Gcina isistimu ibuyekeziwe: Njengoba amasistimu asabalalisiwe eguquka, kuyadingeka ukuthi uhlale usesikhathini samanje ngentuthuko entsha kuma-algorithms wokuvumelanisa iwashi namasu. Ukuhlala uphezu kocwaningo lwakamuva nezibuyekezo kuqinisekisa ukuthi isistimu yakho ihlala isebenza ngokunembile nangempumelelo.

Ukuvumelanisa iwashi kumasistimu asabalalisiwe Kuyinqubo eyinkimbinkimbi kodwa ibalulekile ukuze kuqinisekiswe ukusebenzisana okulungile nokusebenza kumanethiwekhi asabalalisiwe. Ngokulandela lezi zinyathelo, uzokwazi ukuqonda futhi uzuze ukuvumelanisa okunembile, okuzokwenza ngcono kakhulu ukusebenza kahle kwesistimu yakho esabalalisiwe.

Imibuzo Nezimpendulo

Imibuzo nezimpendulo mayelana nokuvumelanisa iwashi kumasistimu asabalalisiwe

Kuyini ukuvumelanisa kwewashi kumasistimu asabalalisiwe?

Ukuvumelanisa iwashi ezinhlelweni ezisabalalisiwe kuyinqubo yokuxhumanisa amawashi we amadivayisi ahlukene noma amanodi kunethiwekhi ukuze asethelwe kusikhathi esivamile. Lokhu kubaluleke kakhulu ezindaweni lapho ukuhleleka kwesikhashana okunembayo phakathi kwemicimbi kuyadingeka noma ukuqinisekisa ukutholakala nokunemba ezinhlelweni ezisabalalisiwe.

Kungani ukuvumelanisa iwashi kubalulekile kumasistimu asabalalisiwe?

Ukuvumelanisa iwashi ezinhlelweni ezisabalalisiwe kubalulekile ngoba:

1. Ikuvumela ukuthi wenze uhlelo lwesikhashana phakathi kwemicimbi kuzinhlelo zokusebenza ezisabalalisiwe.
2. Gwema ukungahambisani namaphutha abangelwa ukungafani kwesikhathi phakathi kwamanodi enethiwekhi.
3. Isiza ukuhlela kanye nokuxhumana kwemisebenzi ezinhlelweni ezisabalalisiwe.
4. Inika amandla ukuhlaziywa kwenkinga okusekelwe esikhathini kanye nokulungisa iphutha.

Ukuvumelanisa kwewashi kufinyelelwa kanjani ezinhlelweni ezisabalalisiwe?

Ukuvumelanisa iwashi kumasistimu asabalalisiwe Kungafinyelelwa ngokusebenzisa:

1. Izivumelwano zokuvumelanisa ezifana ne-NTP (Network Time Protocol) noma i-PTP (Precision Time Protocol)
2. Kusatshalaliswe ama-algorithms okuvumelanisa afana ne-algorithm ye-Berkeley noma i-algorithm ye-Cristian.
3. Ukusetshenziswa kwehardware ekhethekile, njengamawashi e-athomu noma i-GPS.

Iyini i-Network Time Protocol (NTP)?

I-NTP (Network Time Protocol) iyiphrothokholi yokuvumelanisa iwashi esetshenziswa kabanzi kumanethiwekhi ekhompyutha. Ivumela amadivayisi ukuthi athole futhi alungise isikhathi sawo ngereferensi kuseva ngesikhathi esiqondile.

Iyini i-Precision Time Protocol (PTP)?

I-PTP (Precision Time Protocol) iphrothokholi yokuvumelanisa iwashi enikeza ukunemba okuphezulu nokunemba ekuvumelaniseni amasistimu asabalalisiwe. Ivamise ukusetshenziswa ezinhlelweni lapho ukunemba kwesikhathi okuphezulu kakhulu kuyadingeka, njengamanethiwekhi ezokuxhumana noma amasistimu okulawula izimboni.

Yiziphi izinzuzo zokusebenzisa iwashi le-athomu ekuvumelaniseni uhlelo olusabalalisiwe?

Izinzuzo zokusebenzisa iwashi le-athomu ekuvumelaniseni amasistimu asabalalisiwe yilezi:

1. Ukunemba okuphezulu nokuzinza kwesikhathi okunikezwa amawashi e-athomu.
2. Ukumelana nokuphazamiseka kwangaphandle okungathinta ukunemba kwamawashi avamile.
3. Amandla okugcina ireferensi yesikhathi enembile ngisho nasezimeni zokulahlekelwa uxhumano namanye ama-node.

Imaphi ama-algorithms okuvumelanisa asatshalaliswa kakhulu?

Ama-algorithms wokuvumelanisa asatshalaliswa kakhulu yilawa:

1. I-algorithm ye-Berkeley.
2. I-algorithm kaCristian.
3. I-algorithm ye-Lamport.
4. I-algorithm ye-Marzullo.

Iyini i-algorithm ye-Berkeley?

I-algorithm ye-Berkeley iyi-algorithm esabalalisiwe yokuvumelanisa evumela ama-node ohlelweni ukuthi alungise isikhathi sawo ngokuya ngewashi eliyinhloko. Iqukethe izinyathelo ezilandelayo:

1. I-master node ithumela isikhathi sayo kuma-node ku-inthanethi.
2. Amanodi alungisa isikhathi sawo ngokusekelwe kumehluko phakathi kwesikhathi sawo samanje nesikhathi esitholwe ku-master node.
3. Umehluko wesikhathi kunethiwekhi ulinganiselwe ukuze kuqhutshekwe nokushuna kahle ukuvumelanisa.

Iyini i-algorithm kaCristian?

I-algorithm kaCristian iyi-algorithm esabalalisiwe yokuvumelanisa evumela indawo ukuthi icele isikhathi sayo samanje kuseva yesikhathi. Iqukethe izinyathelo ezilandelayo:

1. Inodi yeklayenti ithumela isicelo sesikhathi kuseva.
2. Iseva iphendula ngesikhathi sayo samanje.
3. Inodi yeklayenti ibala umehluko wesikhathi phakathi kwesikhathi esitholiwe nesikhathi saso sangaphambilini, ngaleyo ndlela ilungise ukuvumelanisa kwayo.