Kedu ka ndị ahịa si achọ ka anyị nyochaa arụmọrụ nke netwọk, anyị nwere ike nyochaa ya site na akụkụ anọ a.
1. bandwit:
A kọwapụtara bandwit n'ime Baidu Encyclopedia: "ọnụego data kachasị elu" nke nwere ike ịgafe site n'otu ebe na netwọk gaa n'ebe ọzọ kwa nkeji oge.
Oghere bandwidth nke netwọk kọmputa bụ ọnụ ọgụgụ data kachasị elu nke netwọk nwere ike isi na ya gafere, ya bụ ole bits kwa nkeji (otu nke a na-ahụkarị bụ bps (bit kwa nkeji)).
N'ikwu ya n'ụzọ dị mfe: bandwit nwere ike iji tụnyere okporo ụzọ, na-egosi ọnụ ọgụgụ nke ụgbọ ala ndị nwere ike ịgafe kwa nkeji oge;
2. Nnọchite anya bandwit:
A na-egosipụtakarị bandwit dị ka bps, na-egosi ntakịrị ntakịrị kwa sekọnd;
"Bits kwa nkeji" na-ahapụkarị mgbe a na-akọwa bandwit. Dịka ọmụmaatụ, bandwit bụ 100M, nke bụ 100Mbps n'ezie, ebe Mbps na-ezo aka na megabits/s.
Mana otu n'ime ọsọ anyị na-ebukarị ngwa ngwa bụ Byte/s (byte/sekọnd). Nke a gụnyere ntụgharị nke Byte na bit. Nke ọ bụla 0 ma ọ bụ 1 na ọnụọgụ ọnụọgụ abụọ bụ ntakịrị, na ntakịrị bụ nkeji kacha nta nke nchekwa data, nke a na-akpọ 8 ibe n'ibe byte.
Ya mere, mgbe anyị na-ejikwa brọdband, 100M bandwit na-anọchi anya 100Mbps, usoro nbudata netwọkụ na-eme ka ọ bụrụ naanị 12.5M Bps, n'ezie nwere ike ịbụ ihe na-erughị 10MBps, nke a bụ n'ihi arụmọrụ kọmputa onye ọrụ, àgwà akụrụngwa netwọkụ, ojiji akụrụngwa, netwọk kacha elu, netwọkụ. ikike ọrụ, ire ere ahịrị, mgbama mgbaama, ọsọ netwọkụ n'ezie enweghị ike iru ọsọ nke usoro iwu.
2. Oge igbu oge:
N'ikwu ya n'ụzọ dị mfe, igbu oge na-ezo aka na oge achọrọ maka ozi iji si n'otu akụkụ nke netwọk gaa na nke ọzọ;
Site na nsonaazụ ping, ị ga-ahụ na igbu oge bụ 12ms, nke na-ezo aka na ozi ICMP sitere na kọmputa m gaa na sava Baidu chọrọ igbu oge oge-njem bụ 12ms;
(Ping na-ezo aka na azụ na azụ oge mgbe ezigara ngwugwu site na ngwaọrụ onye ọrụ gaa n'ókè nha ọsọ, wee laghachi ozugbo na ngwaọrụ onye ọrụ. Ya bụ, nke a na-akpọkarị oge netwọk, gbakọọ na millisecond ms.)
Igbu oge netwọk gụnyere akụkụ anọ: nhazi oge, igbu oge n'ahịrị, igbu oge na mgbasa ozi. Na omume, anyị na-atụle nke ọma n'oge mbufe na igbu oge.
3. Makwaa
: netwọk jitter na-ezo aka na oge dị iche n'etiti oge kachasị na igbu oge kacha nta. Ọmụmaatụ, kacha egbu oge mgbe ị gara na webụsaịtị bụ 10ms, na opekempe igbu oge bụ 5ms, mgbe ahụ netwọk jitter bụ 5ms; jitter = kacha egbu oge-opekempe igbu oge, ịma jijiji = kacha egbu oge-opekempe igbu oge
enwere ike iji shake nyochaa nkwụsi ike nke netwọkụ ahụ, obere ihe jitter, ka netwọk ahụ kwụsie ike;
Karịsịa mgbe anyị na-egwu egwuregwu, anyị chọrọ netwọk iji nwee nkwụsi ike dị elu, ma ọ bụghị ya, ọ ga-emetụta ahụmahụ egwuregwu.
Banyere ihe na-akpata jitter netwọk: ọ bụrụ na netwọk netwọk emee, nkwụsị n'ahịrị n'ahịrị ga-emetụta njedebe njedebe na njedebe, nke nwere ike ime ka igbu oge na mberede buru ibu na obere site na rawụta A ka rawụta B, na-akpata na netwọk jitter;
4.Packet ọnwụ
: N'ikwu ya n'ụzọ dị mfe, mfu ngwugwu pụtara na data nke otu ngwugwu data ma ọ bụ karịa enweghị ike iru ebe a na-aga site na netwọk. Ọ bụrụ na onye nnata ahụ achọpụta na data ahụ efunahụla, ọ ga-ezigara onye na-ezipụ arịrịọ dị ka nọmba nsonye kwụ n'ahịrị iji mee mfu na mbugharị ngwugwu.
Enwere ọtụtụ ihe kpatara ịla n'iyi ngwugwu, ihe kachasị emekarị nwere ike ịbụ mkpọchi netwọkụ, okporo ụzọ data dị oke ibu, akụrụngwa netwọk enweghị ike ijikwa ụfọdụ ngwugwu data ga-efunahụ.
Ọnụego mfu ngwungwu bụ nha nke ọnụ ọgụgụ ngwugwu furu efu na ule na ngwugwu ezigara. Dịka ọmụmaatụ, ọ bụrụ na izipu ngwugwu 100 wee tufuo otu ngwugwu, ọnụego mfu nke ngwugwu bụ 1%.
Oge nzipu: Ọktoba 28-2022