AppleTalk: Kubwerera Kumayambiriro kwa Mac Networks

AppleTalk Yoyamba Yoyambira Mapulogalamu a Mac

Kuchokera pomwe Mac Mac adatulutsidwa mu 1984, Apple yakhala ikuphatikizapo kuthandizira maukonde. Masiku ano, doko la Ethernet kapena la Wi-Fi lozikidwiratu sizingayembekezedwe koma limakhala lokha. Koma mu 1984, kukhala ndi makompyuta ndi makonzedwe omangika kunali pang'ono kusintha.

Poyambirira Apple amagwiritsa ntchito njira yotumizirana mauthenga yotchedwa AppleTalk, yomwe inalola ma Macs oyambirira kuti asalankhulane ndi wina ndi mzake koma chofunika kwambiri, kugawana zomwe zinali, panthawiyo, machitidwe okwera mtengo a laser. Osindikizirawa anakhala mbali ya maofesi osindikiza mabuku omwe ma Macs oyambirira anagwiritsira ntchito.

Kuti mumvetse kufunika kwa AppleTalk, ndipo kenako, EtherTalk, machitidwe omwe apulogalamu amagwiritsira ntchito, muyenera kubwerera ndikuwona mtundu wotani womwe ulipo mu 1984.

Network 1984

Mu 1984, panthawi yomwe ndikukumbukira, panali machitidwe osiyanasiyana ochezera ma network omwe alipo. Pafupifupi zonse zinaperekedwa monga makhadi owonjezera ku makompyuta a nthawiyo. Zitatu zazikulu panthawiyo zinali Ethernet , Token Ring , ndi ARCNET. Ngakhale kunena kuti pali njira zitatu zochezera mauthenga ndikutambasula mfundoyo. Panali matembenuzidwe osiyanasiyana a makanema onse, ndi machitidwe osiyana oyankhulana ndi mauthenga oyanjana owonetserako ogwiritsidwa ntchito, ndipo ndizovuta ndi machitidwe akuluakulu atatu a makanema; panalipo machitidwe ena angapo omwe mungasankhe.

Mfundo yoti, kusankha pa intaneti kwa makompyuta anu si ntchito yaing'ono, ndipo mutasankha makanema, panali ntchito yambiri kuti muyambe kukhazikitsa, kuyesa, kuyesa, kugwiritsa ntchito, ndi kuyendetsa kayendedwe ka makanema.

AppleBus

Panthawi yoyambirira ya Mac, Apple inkafuna njira yothetsera Macintosh ndi Lisa makompyuta kuti agawane ndi printer ya LaserWriter, yomwe yokha, imawonongedwa mofanana ndi 1984 Macintosh. Chifukwa cha mtengo wapatali wa phokosoli, zinali zoonekeratu kuti zosindikiza ziyenera kugawidwa.

Panthawiyi, IBM inali itasonyeza kalembedwe kake ka Chizindikiro ndipo idakayang'ana kupanga teknoloji kumayambiriro kwa 1983. IBM inali itatha kumasula makina a Token Ring, kukakamiza Apulo kuti ayang'ane njira yothetsera vuto.

Mac nthawiyi adagwiritsa ntchito chipangizo chachitsulo kuti asamalire madoko ake. Chipangizochi chachinsinsi chimakhala ndi zinthu zosazolowereka, kuphatikizapo maulendo ofulumira, makilogalamu 256 pamphindi, komanso kukhala ndi pulogalamu yowonongeka yokhazikika mu chipulo chomwecho. Mwa kuwonjezerapo maulendo ena owonjezera, Apple anatha kukankha liwiro kufika pa kilogalamu 500 pamphindi.

Pogwiritsira ntchito chipangizo chotetezera ichi, Apple adatha kupanga makanema omwe aliyense angagwiritse ntchito; palibe chida chanema. Zinali ndi zofunikira zosintha; mungathe kungolumikiza ma Macs ndi ma palimodzi palimodzi, osasowa kuika maadiresi kapena kukhazikitsa seva.

Apple inatcha makina atsopanowa a AppleBus, ndipo adaiphatikiza ndi makina a Lisa ndi 1984 Macintosh, komanso amapereka adapters zomwe zingagwiritsidwe ntchito pa makina a Apple II ndi Apple III.

AppleTalk

Kumayambiriro kwa chaka cha 1985, dongosolo la IBM's Token Ring silinatumize, ndipo Apple adaganiza kuti makina a AppleBus angakwaniritse zosowa za ogwiritsa ntchito popereka makonzedwe apamwamba a makanema ndi kasamalidwe. Ndipotu, aliyense angapange maukonde ndi Mac Mac, LaserWriter, ndi AppleBus.

Pogwiritsa ntchito Macintosh Plus mu 1985, Apple adatchedwanso AppleBus ku AppleTalk ndipo adawonjezera kusintha pang'ono. Inali ndi liwiro loposa la makilogalamu 500 pamphindi, kutalika kwake kwa mamita 1,000, ndi malire a zipangizo 255 zogwirizana ndi webusaiti ya AppleTalk.

Chipangizo choyambirira cha AppleTalk chosungira makina chinali kudziletsa ndipo chinagwiritsa ntchito chingwe chophweka cha atatu. Chofunika kwambiri, komabe, Appleyo inasiya kusanjikiza kwa intaneti ndikusintha mapulogalamu . Izi zinapangitsa AppleTalk kugwiritsidwa ntchito pazinthu zosiyanasiyana zofalitsa zakuthupi, kuphatikizapo apulogalamu oyambirira a AppleTalk omwe amapezeka ku Apple, komanso osakwera mtengo kwambiri, komanso opezekapo mosavuta, omwe amatha kugwiritsa ntchito telefoni zamtundu wa PhoneNet.

Mu 1989, Apple inamasula AppleTalk Phase II, yomwe inachotsa chiwerengero cha 255 chazithunzithunzi cha mapulogalamu oyambirira. Apple inaphatikizanso ma EthernTalk ndi TokenTalk makanema machitidwe omwe amalola Macs kugwiritsa ntchito mawonekedwe a Ethernet tsopano, komanso mabungwe a IBM's Token Ring.

Mapeto a AppleTalk

AppleTalk inapulumuka mpaka nthawi ya OS X yama Macs . Izi zinali chifukwa cha makina akuluakulu a makina osindikizira a laser, ndi malo ang'onoang'ono omwe amagwirizanitsa ma Mac Mac. Pamene Apple inayambitsa OS X Snow Leopard mu 2009 , AppleTalk inasiyidwa mwakhama, ndipo siinayambanso ntchito iliyonse ya Apple.

AppleTalk & # 39; s Legacy

AppleTalk inali njira yatsopano yogwirira ntchito pa nthawi yake. Ngakhale sizinali zofulumira kwambiri, ndithudi inali njira yosavuta kwambiri yowakonzera kuti ipange ndi kuyendetsa. Pambuyo machitidwe ena a makanema anayamba kugulitsa malingaliro a zero-kasintha makanema adapter kapena makina ovuta kupanga, AppleTalk akhala atapeza nthawi yosavuta kugwiritsira ntchito, zero zomwe ena ayesa kutsata.