E rima ngā Hangarau Matua o ngā Pana LAN

E rima ngā Hangarau Matua o ngā Pana LAN

Nā te mea ka whakamahia e ngā pana LAN te pana ara iahiko mariko, ka taea e rātou te whakarite kia kore e tautohetohe te whānui o te hononga i waenga i ngā tauranga whakauru me te putanga katoa, ka taea ai te tuku raraunga tere-teitei i waenga i ngā tauranga me te kore e hanga he aukati tuku. Ka nui ake te kaha o te tuku raraunga o ngā pūwāhi mōhiohio whatunga, ā, ka arotau i te pūnaha whatunga whānui. E whakamārama ana tēnei tuhinga i ngā hangarau matua e rima e whai wāhi ana.

1. ASIC Ka taea te whakarite (Porowhita Whakauru Motuhake-Taupānga)

He maramara ara iahiko whakauru motuhake tēnei i hangaia hei arotau i te whakawhiti Papa-2. Koinei te hangarau whakauru matua e whakamahia ana i roto i ngā otinga whatunga o ēnei rā. Ka taea te whakauru i ngā mahi maha ki roto i te maramara kotahi, e tuku ana i ngā painga pēnei i te hoahoa māmā, te pono teitei, te iti o te whakamahinga hiko, te mahi teitei ake, me te utu iti iho. Ko ngā maramara ASIC ka taea te whakarite e whakamahia whānuitia ana i roto i ngā whakawhiti LAN ka taea te whakarite e ngā kaihanga—e ngā kaiwhakamahi rānei—kia tutuki ai ngā hiahia o ngā tono. Kua noho rātou hei tētahi o ngā hangarau matua i roto i ngā tono whakawhiti LAN.

2. Paipa Tohatoha

Mā te whakamahi i te pipelining tohatoha, ka taea e ngā miihini tuku tohatoha maha te tuku tere me te takitahi i ā rātou pākete. I roto i te pipeline kotahi, ka taea e ngā maramara ASIC maha te tukatuka i ngā anga maha i te wā kotahi. Mā tēnei mahi tahi me te pipelining ka hiki ake te mahi tuku ki tētahi taumata hou, ka tutuki ai te mahi tere-raina mō te hokohoko unicast, broadcast, me te multicast i runga i ngā tauranga katoa. Nō reira, he mea nui te pipelining tohatoha ki te whakapai ake i ngā tere whakawhiti LAN.

3. Mahara Tauine-ā-Hihiri

Mō ngā hua whakawhiti LAN matatau, ko te mahi teitei me te kounga teitei e whakawhirinaki ana ki tētahi pūnaha mahara atamai. Mā te hangarau mahara ka taea te whakawhanui i te kaha o te mahara e te whakawhiti i runga i te rere i runga i ngā whakaritenga o te waka. I roto i ngā whakawhiti Papa-3, ka hono tika tētahi wāhanga o te mahara ki te miihini tuku, ka taea ai te tāpiri atu i ētahi atu kōwae atanga. I te piki haere o te maha o ngā miihini tuku, ka whānui haere te mahara e pā ana. Mā te tukatuka ASIC e hangai ana ki te paipa, ka taea te hanga i ngā arai hihiri hei whakanui ake i te whakamahinga mahara me te ārai i te ngaronga o ngā pākete i te wā e pakū nui ana ngā raraunga.

4. Ngā Tikanga Rārangi Matatau

Ahakoa te kaha o tētahi taputapu whatunga, ka raru tonu i te noho puku i roto i ngā wāhanga whatunga hono. I ngā wā o mua, ka rongoatia ngā waka i runga i tētahi tauranga ki roto i tētahi rarangi putanga kotahi, ka tukatukahia kia rite ki te raupapa FIFO ahakoa te kaupapa matua. Ina kī te rarangi, ka tukuna ngā mōkihi taikaha; ina roa te rarangi, ka piki ake te whakaroa. Ka uaua te rarangi tuku iho mō ngā tono wā-tūturu me ngā tono rongorau.
Nō reira, he maha ngā kaihoko kua whakawhanake i ngā hangarau rarangi matatau hei tautoko i ngā ratonga rerekē i runga i ngā wāhanga Ethernet, me te whakahaere i te whakaroa me te wiri. Ka uru atu pea ēnei ki ngā taumata maha o ngā rarangi mō ia tauranga, ka taea ai te wehewehe pai ake i ngā taumata waka. Ka whakanohoia ngā pākete raraunga rongorau me te wā-tūturu ki roto i ngā rarangi matua-tiketike, ā, mā te rarangi tika taumaha, ka tukatukahia ēnei rarangi i ngā wā maha ake - me te kore e aro katoa ki ngā waka matua-iti. Kāore ngā kaiwhakamahi tono tuku iho e kite i ngā huringa o te wā urupare, te putanga rānei, engari ko ngā kaiwhakamahi e whakahaere ana i ngā tono wā-nui ka whiwhi urupare i te wā tika.

5. Whakarōpūtanga Waka Aunoa

I roto i te tuku whatunga, he nui ake te hiranga o ētahi rerenga raraunga i ētahi atu. Kua tīmata ngā pana LAN Papa-3 ki te whakamahi i te hangarau whakarōpūtanga waka aunoa hei wehewehe i waenga i ngā momo me ngā kaupapa matua o te waka. E whakaatu ana te mahi mā te whakarōpūtanga aunoa, ka taea e ngā pana te tohutohu i te paipa tukatuka-pūkete ki te wehewehe i ngā rerenga kua tohua e te kaiwhakamahi, ka tutuki ai te whakaroa iti me te tuku matua teitei. Ehara i te mea ka whakaratohia he mana whakahaere me te whakahaere whai hua mō ngā rerenga waka motuhake anake, engari ka āwhina hoki ki te aukati i te whakakīkī whatunga.


Wā tuku: Whiringa-ā-rangi 20-2025

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