Chii chiri 5-4-3-2-1 Rule (mu Computer Networking)?

Utongi hwe 5-4-3-2-1 hunobatanidza ruzivo rwakakosha rwekugadzirwa kwemagetsi. Zvinogona kunge zvisiri nyore kuwana mienzaniso mukuita, asi mutemo uyu unobatanidza zvakanaka pamwe chete zvinhu zvakakosha zvezvinhu zvakagadziriswa zvekambani yekugadzira dzidziso uye zvakaratidza kuti zvinobatsira kune vadzidzi kwemakore mazhinji.

Kurwisana Nzvimbo uye Kuparidzirwa Kutseuka

Kuti unzwisise mutemo uyu, inotanga kudikanwa kuti unzwisise pfungwa dzekubatana dzemasangano ekukanganiswa uye kuparadzirwa kwekukurumidza . Dzimba dzekubatana dziri zvikamu zve network. Apo purogiramu yeketaneti inoparidzirwa pamusoro peEthernet , somuenzaniso, zvinokwanisika kune imwe ipakiti inobva kune imwe nzvimbo iyo inoparidzirwa yakakwana zvakakwana munguva kuti ipakete yekutanga inokonzera kusagadzikana kwemugwagwa pamatare. Zvose zviyero zvepakati pane imwe pikiti inogona kufamba uye inogona kuenzaniswa neimwe inowanzovhiringidzika.

Kuparidzika kunonoka kune imwe nzvimbo yepanyama ( eg , Ethernet). Kuparidzika kunonoka kunobatsira kuziva kuti inguva yakadini kusiyana kwemaawa pakati pekutumirwa kwepakiti mbiri pane dambudziko rekukanganisika iri pedyo zvakakwana kuti zvikonzere kukanganisa. Izvo zvakanyanya kuparadzirwa kwekupararira, kuwedzerwa kwehutano hwekupesana.

Network Segments

Chikamu chikamu chakanyatsogadziriswa-chengeteredzwa chekakura network. Miganhu yenhare inoshandiswa nemagadzirirwo anokwanisa kugadzirisa kuputika kwepakiti mukati uye kunze kwechikamu, kusanganisira routers , switches , hubs , mabhujiro , kana nzira dzakasiyana-siyana dzinokanganisa (asi kwete zvinyorwa zvakare ).

Network designers inoita zvikamu zvekombiyuta dzakasiyana dzakasiyana zvakasiyana mumapoka. Iko kuunganidza kunogona kuvandudza mitambo yekuita uye kuchengeteka. Mune mitambo yeEthernet, somuenzaniso, makombiyuta anotumira mapepa akawanda ekuparadzira kune mambure, asi mamwe makombiyuta ari panzvimbo imwe chete anogamuchira.

Network segments uye subnets zvinoshumira zvinangwa zvakafanana; zvose zvinogadzira boka rekombiyuta. Misiyano iri pakati pechando ne subnet inotevera: chikamu chigadzirwa chekugadzira muviri, asi subnet inongova yepamusoro-yepamusoro software yekugadzirisa. Kunyanya, imwe haigoni kutsanangura imwe IP subnet iyo inoshanda nenzira dzakakwana kune zvikamu zvakawanda.

Izvo Zvikamu 5 zveRule Rule

Utongi hwe5-4-3-2-1 hunogadzirisa huwandu hwekurwisana kwemasimba nekudzivirira kuparadzirwa kwekuparidzirwa kune "nguva inonzwisisika" yenguva. Mutemo unopinda muzvikamu zvishanu zvinokosha sezvinotevera:

5 - nhamba yehutano zvikamu

4 - nhamba yevanhu vanodzokorora vanoda kubatanidza zvikamu munzvimbo imwe yekurwisana

3 - nhamba yehutano zvikamu zvinoshandisa (kutumira) zvishandiso zvakabatanidzwa

2 - nhamba yezvikamu zvisingashandisi mafaira anoshandiswa

1 - nhamba yematunhu akakanganiswa

Nemhaka yokuti zvikamu zviviri zvekupedzisira zvekamukira zvinotevera zvakajeka kubva kune vamwe, mutemo uyu dzimwe nguva unonziwo "5-4-3" mutemo wepfupi.