Kodi Chizindikiro Chimatanthauzanji?

Mapulogalamu Amakono Amakono ali LAN Technology

Poyambitsidwa ndi IBM mu 1980 monga njira yopita ku Ethernet , Chizindikiro cha Token ndi chipangizo chogwiritsira ntchito dera lamakono (LANs) kumene zipangizo zimagwirizanitsidwa ndi nyenyezi kapena topology. Imagwira ntchito yosanjikiza 2 ya chitsanzo cha OSI .

Kuyambira mu zaka za m'ma 1990, Chizindikiro Chake chinachepetsedwa kwambiri ndipo pang'onopang'ono chinatulukanso m'magulu a zamalonda monga teknoloji ya Ethernet inayamba kugonjetsa mapangidwe a LAN.

Gulu lachizindikiro la Tokeni limangokwanira 16 Mbps okha . M'zaka za m'ma 1990, chitukuko cha makampani chotchedwa High Speed ​​Token Ring (HSTR) chinapanga makina opangira Token Ring ku 100 Mbps kuti apikisane ndi Ethernet, koma chidwi chokwanira pamsika sichinalipo kwa HSTR zopangidwa ndi sayansi.

Mmene Gulu Lachizindikiro Limagwirira Ntchito

Mosiyana ndi mitundu ina yonse ya LAN yotsatizana, Chizindikiro cha Tokeni chimakhala ndi mafelemu amodzi omwe amapezeka mosavuta kupyolera mu intaneti.

Mafelemu awa amagawidwa ndi zipangizo zonse zogwiritsidwa ntchito pa intaneti motere:

  1. Chikwama ( paketi ) imadza pa chipangizo chotsatira muzotsatira zake.
  2. Chombocho chimayang'ana ngati chimango chili ndi uthenga wolembedwera. Ngati ndi choncho, chipangizochi chichotsa uthenga kuchokera pa chimango. Ngati sichoncho, chimango chili chopanda kanthu (chotchedwa chimango cha chizindikiro ).
  3. Chida chogwiritsira chimango chimasankha kaya kutumiza uthenga. Ngati ndi choncho, imayika deta yanu muzitsulo ndikuyikweza ku LAN. Ngati sichoncho, chipangizocho chimasula chimango chachitsulo cha chipangizo chotsatira pakusankha.

Mwa kuyankhula kwina, poyesera kuchepetsa kugwedezeka kwa makina, chipangizo chimodzi chokha chimagwiritsidwa ntchito panthawi. Zochitika pamwambazi zikubwerezedwa mobwerezabwereza kuti zipangizo zonse zikhale mphete.

Chizindikiro ndi maola atatu omwe ali ndi chiyambi chakumayambiriro ndi chimaliziro chomwe chimalongosola chiyambi ndi mapeto a chithunzi (mwachitsanzo, amalemba malire). Komanso mkati mwa chizindikiro ndicho kuyendetsa kwachinsinsi. Kutalika kokwanira kwa gawo la data ndi 4500 byte.

Mmene Chizindikiro Chachizindikiro Chimafanizira ndi Ethernet

Mosiyana ndi makanema a Ethernet, zipangizo mu intaneti ya Chizindikiro cha Chizindikiro zingakhale ndi macheza omwewo a MAC popanda kuchititsa zinthu.

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