I-LAN ne-SAN yokumela inethiwekhi yendawo yendawo kanye nenethiwekhi yendawo yokugcina, ngokulandelana, futhi zombili ziyizinhlelo zokugcina zokugcina zokugcina impahla ekusetshenzisweni okubanzi namuhla.
I-LAN iyiqoqo lamakhompyutha kanye nokunye okuphathelene nesixhumanisi sezokuxhumana esinentambo noma engenantambo kumaseva atholakala ezindaweni ezahlukahlukene zendawo. I-San kunethiwekhi, ngakolunye uhlangothi, ihlinzeka ngokuxhumana ngejubane eliphezulu futhi yenzelwe amanethiwekhi azimele, okuvumela ukuxhumana okungenamthungo kwamaseva amaningi ahlukahlukene amadivayisi akwabiwe azokwabelana.
Njengoba kunje, izingxenye ezimbili ezibalulekile ezisetshenziswa kumlingani wenethiwekhi yekhompyutha zishintsha ama-LAN kanye nokushintshwa kwe-SAN. Yize ukushintshwa kwe-LAN kanye nokushintshwa kwe-SAN yizo zombili iziteshi zokuxhumana kwedatha, zinomehluko othile, ngakho-ke ake sibhekisise ngezansi.
1 Kuyini ukushintshana kwe-LAN?
I-Lan Shintsha yindlela yokushintsha iphakethe esetshenziselwa ukudluliswa kwamaphakethe phakathi kwamakhompyutha kwi-LAN ngaphakathi kwenethiwekhi yendawo. Le ndlela idlala indima ebalulekile ekwakhiweni kwenethiwekhi futhi ingathuthukisa kakhulu ukusebenza kahle kwe-LAN kanye nokunciphisa izingqinamba ze-bandwidth. Kunezinhlobo ezine zokushintsha kwe-LAN:
I-Multilayer ishintsha ama-MLS;
Ungqimba 4 ukushintshana;
Ungqimba 3 ukushintshana;
Ungqimba 2 ukushintshana.
Ngabe usebenza kanjani i-lan?
I-lan switch i-ethernet switch isebenza ngokususelwa kwiphrothokholi ye-IP futhi inikezela ngokuxhumana okuguqukayo phakathi kwabathumeli kanye nokuthola ngenethiwekhi exhunyiwe yamachweba nezixhumanisi. Leli lungiselelo livumela inani elikhulu labasebenzisi bokugcina ukuze babelane ngezinsizakusebenza zenethiwekhi. I-LAN switch isebenza njengokushintshwa kwephakethe futhi ingaphatha ukuthunyelwa kwedatha eminingi ngasikhathi sinye. Lokhu bakwenza ngokuhlola ikheli lendawo yohlaka lwedatha ngayinye futhi bakuqondise ngokushesha ethekwini elithile elihlotshaniswa nedivayisi yokuthola okuhlosiwe.
Indima eyinhloko yokushintsha kwe-LAN ukufeza izidingo zeqembu labasebenzisi ukuze zikwazi ukufinyelela ezinsizakalweni ezabiwe futhi zixhumane nomthungo. Ngokusebenzisa amakhono okushintsha kwe-LAN, ingxenye enkulu yethrafikhi yenethiwekhi ingatholakala ngezingxenye ezihlangene ze-LAN. Le ngxenye inciphisa ngempumelelo ukugcwala kwe-lan, okuholela ekudluliseleni kwedatha nokusebenza kwenethiwekhi.
2 Kuyini ukushintshana kweSan?
Inethiwekhi Yendawo Yendawo SAN SAN iyindlela ekhethekile yokwakha ukuxhumana phakathi kwamaseva namachibi okugcina akwabiwe ngenhloso yokufaka imali ehlobene nokugcina.
Ngokushintshwa kwe-SAN, kungenzeka ukudala amanethiwekhi amakhulu, amanethiwekhi asheshayo okugcina axhumeka amaseva amaningi futhi afinyelele amanani amakhulu wedatha, evame ukufinyelela ama-petabyte. Ekusebenzeni kwabo okuyisisekelo, ukushintshwa kwe-SAN ngempumelelo ukuxhumanisa ithrafikhi phakathi kwamaseva namadivayisi okugcina ngokuhlola amaphakethe futhi uwaqondise ekupheleni kokugcina. Ngokuhamba kwesikhathi, ukushintshwa kwesitoreji sendawo yenethiwekhi sekuvele ukufaka izici ezithuthukile ezifana ne-Path Restandancy, Ukuxilongwa kwenethiwekhi, nokuzwakala komkhawulokudonsa okuzenzakalelayo.
Isiteshi se-fiber sishintsha kanjani umsebenzi?
I-fiber Channel switch iyingxenye ebalulekile kwinethiwekhi yendawo yokugcina indawo esiza i-san esisiza ukudlulisa idatha kahle phakathi kwamaseva namadivayisi okugcina. I-switch switch isebenza ngokwakha inethiwekhi yangasese esheshayo eyenzelwe ukugcinwa kwedatha nokubuyisa.
Emgogodleni wayo, isiteshi se-fiber isiteshi esishintshayo sithembela ku-hardware ekhethekile nesoftware ukuphatha nokuqondisa ithrafikhi yedatha. Isebenzisa i-Protocol yesiteshi se-Fibre, i-roust kanye ne-protocol ethembekile yezokuxhumana ehambelana nezimo zeSan. Njengoba idatha ithunyelwa kusuka kuseva iye kwidivaysi yesitoreji kanye okuphambene nalokho, ifakwe ku-fiber Channel Frames, iqinisekisa ubuqotho bedatha kanye nokudluliselwa okusheshayo.
I-SAN switchch isebenza njengepholi yomgwaqo futhi inquma indlela engcono kakhulu yedatha yokuhamba nge-san. Ihlola amakheli omthombo namafomu okuya lapho ofreyimu we-fiber wesiteshi ukuze ahambisane kahle namaphakethe. Lesi sifiso esihlakaniphile sinciphisa i-latency kanye nokuxinana, ukuqinisekisa ukuthi idatha ifinyelela lapho iya khona ngokushesha nangokuthembekile.
Empeleni, isiteshi se-fiber sishintsha ama-orchestrate ukugeleza kwemininingwane ku-san, ukulungiselela ukusebenza kanye nokwethenjwa ezindaweni ezinamandla kakhulu.
3 Zihluke kanjani?
Ukuqhathanisa i-lan switch switch ku-SAN switchn kungacatshangelwa futhi njengokuqhathanisa ukushintshwa kwe-san ku-inkinobho yenethiwekhi, noma isiteshi se-fiber switch ku-Ethernet switch. Ake sibheke umehluko omkhulu phakathi kokushintshwa kwama-LAN nokushintshwa kwe-SAN.
Ukwehluka kwesicelo
Ukushintshwa kwe-LAN kwaklanywa ekuqaleni kwama-TOKEN Ring nama-FDDI Networks futhi kamuva kwathathelwa indawo yi-Ethernet. I-LAN ishintsha idlala indima ebalulekile ekwenzeni ngcono ukusebenza kahle kwama-LANs kanye nokuxazulula ngempumelelo izinselelo ze-bandwidth ezikhona. Ama-LANS akwazi ukuxhumanisa amadivaysi ahlukahlukene anjengeseva yefayela, amaphrinta, ama-arrays ezitoreji, ama-desktops, njll.
Futhi i-SAN switchch yakhelwe amanethiwekhi asebenza kakhulu ukuze aqinisekise ukuqinisekisa okuphansi kanye nokudluliswa kwedatha okungekho emthethweni. Yenzelwe ukuphatha ngokucophelela ukuphatha umthwalo onzima wokuthenga, ikakhulukazi kumanethiwekhi wesiteshi esiphakeme aphezulu. Noma ngabe isiteshi se-Ethernet noma i-fiber, ukushintshwa kwenethiwekhi yendawo yokugcina kunikezelwe futhi kulungiselelwe ukuphatha ithrafikhi yokugcina.
Umehluko wokusebenza
Imvamisa, ukushintshwa kwe-LAN kusebenzisa i-Copper kanye ne-Fiber interface futhi kusebenza kumanethiwekhi we-ETHETNET ase-IP. I-Laser 2 Lan switch inikezela ngezinzuzo zokudluliswa kwedatha okusheshayo kanye ne-latency encane.
Idlula ezicini ezifana ne-voip, Qos kanye ne-bandwidth yokubika. I-Laser 3 LAN switch inikela ngezici ezifanayo njengama-routers. Ngokuqondene nesendlalelo se-4 lan switch, kuyinto ethuthukisiwe ye-Laser 3 LAN switch enikezela ngezicelo ezingeziwe njenge-Telnet kanye ne-FTP.I-IP, isixazululo se-apple, i-LAN Calplit, i-LAN ChipT ilungele i-Enterprise nezidingo zokuxhumana ezithuthukile.
I-SAN switch yakha ekusekelweni kwamanethiwekhi okugcina ama-ISCSI, okufaka isiteshi se-fiber kanye nobuchwepheshe be-ISCSI. Isici esibaluleke kakhulu ukuthi ukushintshwa kweSan kunikeza amakhono okugcina aphezulu ngokushintshwa kwama-lan. Ukushintshwa kwesiteshi sefifa nakho kungaba ukushintshwa kwe-Ethernet.
Ngokufanelekile, ukushintshwa kwe-SAN esuselwa ku-Ethernet-based San ekuphatheni ukugcinwa kwethrafikhi ngaphakathi kwenethiwekhi yendawo ye-IP, ngaleyo ndlela kuqinisekiswe ukusebenza okubonakalayo. Futhi, ngokuxhumanisa ukushintshwa kwe-SAN, inethiwekhi ebanzi ye-SAN ingakhiwa ukuxhuma amaseva amaningi namachweba wokugcina.
4 Ngiyikhetha kanjani ukushintshela okulungile?
Lapho ubheka i-LAN VS. Uma izidingo zakho zifaka amaphrothokholi wokwabelana ngefayela anjenge-IPX noma i-AppleTalk, khona-ke i-IP-based lan switchch iyisinqumo esihle kakhulu sedivayisi yokugcina. Ngakolunye uhlangothi, uma udinga switch ukusekela isitoreji esisuselwa kwisiteshi se-fiber Channel, kunconyiwe inkinobho yokugcina yenethiwekhi yenethiwekhi.
I-LAN ishintsha ukucisha ukuxhumana ngaphakathi kwe-LAN ngamadivayisi okuxhuma ngaphakathi kwenethiwekhi efanayo.
Ukushintshwa kwesiteshi se-fiber, ngakolunye uhlangothi, ngokuyinhloko kusetshenziselwa ukuxhuma amadivaysi okugcina kumaseva ukuze kugcinwe kahle nokubuyiselwa kwedatha. Lezi zishintshwa ziyahlukahluka ngezindleko, isikhumba, i-topology, ukuphepha, kanye namandla okugcina. Ukukhetha phakathi kwabo kuncike kwizidingo ezithile zokusebenzisa.
Ukushintshwa kwe-LAN akubizi futhi kulula ukulungiselela, ngenkathi ukushintshwa kwe-SAN kubiza kakhulu futhi kudinga ukucushwa okuyinkimbinkimbi.
Ngamafuphi, ukushintshwa kwe-LAN kanye nokushintshwa kwe-SAN kuyizinhlobo ezahlukene zokushintshwa kwenethiwekhi, ngayinye idlala indima eyingqayizivele kunethiwekhi.
Isikhathi Sokuthumela: Oct-17-2024