Kuvaka nharaunda yenharaunda iyo yakakodzera iwe
Makombiyuta emakamuri emusha uye mabhizimisi maduku anogona kuvakwa achishandiswa kana wired kana wireless teknolojia. Wired Ethernet yave iri sarudzo yakasarudzwa mumisha, asi Wi-Fi uye dzimwe sarudzo dzisingasviki dziri kuwana pasi nokukurumidza. Zvose zvakasvibiswa uye zvisingafambisi zvinogona kubvunzurudza kune humwe; zvose zviri zviviri zvinomiririra zvigaro zvekushandisa zvekumba uye dzimwe nzvimbo dzenharaunda dzenharaunda (LANs) .
Pasi patinofananidza wired uye wireless network inzvimbo shanu dzinokosha:
- kusununguka kwekuiswa
- mari yakazara
- kuvimbika
- kushanda
- kuchengeteka
Nezve Wired LANs
Wired LANs vanoshandisa nyaya dzeEthernet uye makombikiti emagetsi . Kunyange zvazvo makombiyuta maviri anogona kukonzerana zvakananga kune mumwe nemumwe achishandisa kambani yeEthernet crossover , maLAN ane wired kazhinji anodawo midziyo yepakati seya hubs , switches , kana routers kuti agone mamwe makombiyuta.
Nokudaidza-up-up connections neInternet, kombiyuta inogadzirisa modem inofanira kushanda paInternet Connection Sharing kana software yakafanana kuti igoverana kuyanana nemamwe makombiyuta paLAN. Broadband routers inobvumira nyore kugoverana kwekamberi modem kana DSL Indaneti inowanirana, pamwe chete inowanzobatanidza yakavakwa mumoto wokutsigira moto .
Kuiswa
Tsamba dzeEthernet dzinofanira kumhanyira kubva kune imwe kombiyuta kuenda kune imwe kombiyuta kana kuti ku-central device. Inogona kuva nguva inopedza uye yakaoma kushandura tambo pasi pedenga kana pasi nemadziro, kunyanya kana makombiyuta achigara mumakamuri akasiyana.
Mimwe misha mitsva inotangira-wired neCAT5 cable, ichiita nyore kushandiswa kwekambani uye kuderedza unsightly cable runs.
Iyo yakagadzirirwa yakagadzirirwa kushandiswa kweWAN wired inosiyana zvichienderana nekusanganiswa kwezvigadzirwa, rudzi rweInternet connection , uye kuti mukati kana kunze kwemodemu zvinoshandiswa. Zvisinei, hapana chimwe chezvinhu izvi chinokonzera chinetso chinopfuura, semuenzaniso, kuunganidza imwe imba yemitambo .
Mushure mekuiswa kwezvinhu, matanho akasara mukugadzira maWAN kana weshini asingasviki haafanisi zvakawanda. Vose vanovimba nehutano hweInternet Protocol uye network network operating system masarudzo. Makombiyuta nezvimwe zvinoshandiswa zvinowanzofambisa kufambira mberi mumhepo isina kushandiswa mumagetsi ekugadziriswa kwekamba (kunyanya chero bedzi mabheti avo anobvumira).
Mutengo
Ethernet cables, hubs, uye switches hazvina mari. Vamwe kubatana kugoverwa software packages, kufanana neC ICS, vakasununguka; vamwe vanodhura mari yezita. Broadband routers inodhura zvakanyanya, asi izvi zvinosarudzwa zvikamu zveLAN wired, uye mari yavo yakakwirira inogadziriswa nekubatsirwa kwekuiswa nyore nyore uye yakavakwa-muzvigadziro zvakachengetedzwa.
Kuvimbika
Ethernet cables, hubs, uye switches zvakanyanya kutendeseka, zvikurukuru nokuti vataki vave vachivandudza unyanzvi hweEthernet mumakumi emakumi emakore. Tsamba dzakasara dzinogona kuramba dzichiri chinhu chikuru uye chinogumbura chinokonzera kukundikana mumutambo weshoni. Paunenge uine LAN wired kana kuti uchitungamira chero chezvinhu izvi gare gare, iva nechokwadi chekutarisisa zvakananga cable connections .
Broadband routers vakatamburawo nezvimwe zvinetso zvakavimbika munguva yakapfuura. Kusiyana nemamwe magetsi Ethernet, zvigadzirwa izvi zviri zvitsva, ma-multi-function devices.
Broadband routers vakakura mumakore mashoma akapfuura uye kuvimbika kwavo kwakagadziridzwa zvikuru.
Performance
Wired LANs anopa kushanda kwakanakisisa. Kukurukurirana kwetsika Ethernet kunopa 10 Mbps bandwidth, asi 100 Mbps Technology Ethernet haina mari shoma uye inowanikwa nyore nyore. Kunyange zvazvo 100 Mbps inomiririra kushanda kwepamusoro kusingatombogoni kuitika mukuita, Fast Ethernet inofanira kukwana kumusha faira kugoverana , kutamba, uye inhare yepamusoro yeIndaneti kwemakore akawanda munguva yemberi.
Wired LANs kushandisa hubs inogona kutarisa kuderera kana makombiyuta achishandisa zvikuru network panguva imwe chete.
Shandisa Ethernet switches pane hubs kudzivisa dambudziko iri; shanduro inodhura zvishoma pane chigaro.
Chengetedzo
Kune LAN ipi neipi yakasungirirwa yakabatana kuInternet, moto unodzima moto ndiyo inonyanya kuchengetedzwa kwekuchengeteka. Wired Ethernet hubs uye switches haitsigire moto. Zvisinei, firewall software zvigadzirwa se ZoneAlarm zvinogona kuiswa pamakombiyuta pachavo. Broadband routers anopa moto wakaenzana wemoto unovakwa mujecha, yakagadzirika kuburikidza newayo software.
Pamusoro peMenenzura dzisina Wire
Yakawanikwa yeWLAN teknolojia yose inotevera chimwe chezvinhu zvitatu zvikuru zve Wi-Fi yekukurukurirana. Kubatsirwa kwekutengesa mitambo kusingabatsiri kunobva pane zvakashandiswa:
- 802.11b ndiyo yaiva yekutanga yekushandiswa kushandiswa zvakanyanya muWLAN.
- Nhamba ye 802.11a inokurumidza asi inodhura kupfuura 802.11b; 802.11a inonyanya kuwanika mumabhizimusi masangano.
- Izvo zvitsva, 802.11g , kuedza kubatanidza zvakanakisisa zvose zviri zviviri zve 802.11a uye 802.11b, kunyange iyo inowedzera mari yakanyanya kushandiswa kwekutengesa imba.
Kuiswa
Wi-Fi miterevhizheni inogona kugadziridzwa nenzira mbiri dzakasiyana:
- "Ad-hoc" mode inobvumira zvishandiso zvisina wireless kuti zvikurukure mu peer-to-peer mode pamwe chete.
- "Infrastructure" mode inobvumira zvishandisi zvisina kushandiswa kutaurirana ne node yepamusoro iyo inogona kutaurirana nekired nodes pane iyo LAN.
Yakawanda yeLAN inoda nzira yekugadzirisa nzira yekuwana Indaneti, wepa printer wekune imwe nzvimbo , kana mamwe mabasa anobatsira, asi ad hoc mode inongobatsira chete mafaira ekugoverana pakati pezvigadzirwa zvemagetsi .
Zvose Wi-Fi modes dzinoda wireless network adapters, dzimwe nguva dzinonzi WLAN makadhi. Maitiro ekugadzirisa mafaira WLANs anowedzerawo chidimbu chikuru chinonzi access point . Nzvimbo yekuwana inofanirwa kuiswa munzvimbo inonyanya kushandiswa nhare dzemafirimu dzisingasviki dzinogona kuiridzirwa nekusavhiringidzwa kuduku. Kunyange zvazvo zviratidzo zveWi-Fi zvinowanzosvika mamita 30 kana kupfuura, zvipingamupinyi semasvingo zvinogona kuderedza zvakanyanya mararamiro avo.
Mutengo
Wireless gear inodhura zvimwe zvinopfuura zvakaenzana neEthernet products.
Pamitengo yakakwana yekutengesa, zvigadziri zvisingabatsiri uye zvinowanikwa zvinogona kutengesa katatu kana kanomwe zvakadai seEthernet cable adapters uye hubs / switches, maererano. 802.11b mishonga yakaderera mumutengo wakawanda nekubudiswa kwe 802.11g, uye pachena, kutengeserana kwekutengesa kunogona kuwanikwa kana vatengesi vachiri kuramba.
Kuvimbika
Wireless LAN inosangana nematambudziko mashomanana okuvimbika kupfuura Wired LANs, kunyange zvichida hazvina kukwana kuva chinhu chikuru. 802.11b uye 802.11g zviratidzo zvisina kushandiswa zvinoshandiswa kune dzimwe mimwe midziyo yemisha kusanganisira mavheni ewa microwave, mafoni asina cord , uye magedhi emasuo evharo. Nokugadzirisa zvakanyatsonaka, mukana wekupindira unogona kuderedzwa.
Nzvimbo dzisina kutengesa mitambo , kunyanya iyo inoshandisa 802.11g, inofananidzwa itsva. Sezvo nehupi hwemagetsi matsva, tarisira kuti zvichatora nguva yekuti zvinhu izvi zvigone kukura.
Performance
Wireless LANs dzinoshandisa 802.11b kutsigira hukuru hwemakwikwi ekutenderera ye 11 Mbps, zvinenge zvakafanana neyekare, tsika dzeEtet. 802.11a uye 802.11g WLAN inotsigira 54 Mbps , iyo inenge hafu yefambidhi ye Fast Ethernet. Uyezve, Wi-Fi inoshandiswa kuresa kure, zvichireva kuti kushanda kwepamusoro kuchasvibisa pamakombiyuta kure kure nenzvimbo yekuwana kana imwe yekuguma yekukurukura. Sezvo mamwe mafaira asingasviki achishandisa WLAN zvakanyanya, kushandira kunowedzera kunowedzera.
Pasi pose, kushanda kwe 802.11a uye 802.11g kwakakwanira kugoverana kwepaIndaneti kugoverana uye kugoverana kwefaira , asi kazhinji hazvikwanisi kumba kweLAN kumitambo.
Kufambisa kukuru kwema wireless LANs kunobatsira kukanganisa kushanda kusingaiti. Makombiyuta emafoni haafaniri kusungirwa kune kambani yeEthernet uye anogona kufamba nechisimba munzvimbo yeWLAN. Zvisinei, makombiyuta akawanda emumba ari makuru maharasikiti, uye kunyange makombiyuta efoni anombofanira kusungirirwa kune tambo yegetsi uye kubudiswa kwesimba. Izvi zvinoderedza kufambira mberi kwekufamba kwemaWLAN mudzimba dzakawanda.
Chengetedzo
Mukufungidzira, wireless LANs dzisina kuchengeteka kudarika pane wired LANs, nokuti michina isina kutaurirana inotenderera inofamba mumhepo uye inogona kutorwa nyore nyore. Kuti varatidze pfungwa yavo, vamwe vanjiniya vakakurudzira tsika yekuchengetedza , izvo zvinosanganisira kufamba nomunzvimbo yekugara ne Wi-Fi zvigadziri kuvhara airwaves yeWLAN isina kudzivirirwa.
Pakuzorora, kunyange zvakadaro, kushaya simba kwekuchengeteka kusina utsi kune mamwe maonero kupfuura zvinoita. WLAN vanochengetedza dhenda yavo kuburikidza neWired Equivalent Privacy , iyo inoita kuti kutaurirana kusingabatsiri kunzwisiswe sekuchengeteka kwakafanana nehutano mumisha.
Hapana makombiyuta epakombiyuta akachengeteka zvakakwana uye varidzi vepamba vanofanira kufungisisa nyaya iyi kuti vaone kuti vanoziva uye vanogadzikana nezvengozi. Zvakakosha kuchengetedzwa kwekuchengeteka kune vimba vepamba vanofambidzana kuti vasave vachibatana nechokuti mitambo inowanikwa kana kusina foni asi pane kuve nechokwadi:
- imba yeIndaneti firewall yakagadzirirwa zvakanaka
- mhuri inoziva nengozi yeInternet "spoof emails" uye kuti unoziva sei
- mhuri inonyatsoziva pfungwa ye "spyware" uye kuti ingadzivisa sei
- babysitters, vashandi veimba, uye vamwe vashanyi havakwanisi kuwana rusununguko rwekutengesa
Mhedziso
Iwe wakadzidza kuongorora uye wakagadzirira kuita sarudzo yako. Pasi pepamusoro, zvino, chii chiri nani-wired kana kusina wireless? Tafura iri pasi apa inopfupisa zvinyorwa zvataifunga munyaya ino. Kana iwe uine mari yakawanda, unoda kushanda kwese kweimba yako, uye hauna hanya nezvokufamba, saka wired Ethernet LAN inenge yakakodzera kwauri.
Kana kune rumwe rutivi, mari yacho isinganyanyi kukosha, iwe unofarira kuva wekutanga kutungamira kwehutungamiri hwepamusoro-soro, uye iwe unonetseka zvikuru nezvebasa rekugadzira imba yako kana bhizinesi duku nekambani yeEthernet, zvino unofanira kufungisisa ine wireless LAN.
Vazhinji venyu vanozoerekana vawira pakati pezvinhu izvi zviviri zvakanyanyisa. Kana iwe usati wanyatsofunga, funga kubvunza shamwari neshamwari nezvezviitiko zvavo nekuvaka LANs. Uye, shandisa maminetsi mashomanana chete neIndaneti Network Advisor tool. Iko inofanira kukubatsira kuti uite chisarudzo pamusoro pemhando yehutano pamwe chete ne gear iwe waunoda kuva nawo.
Ita izvozvo: Home Network Advisor
Wired vs Wireless
| Wired | Wireless | |
| Kuiswa | kuoma kwakaoma | zviri nyore, asi chenjerera kupindira |
| Mutengo | zvishoma | zvimwe |
| Kuvimbika | high | zvine musoro |
| Performance | kugona chose | kugona |
| Chengetedzo | zvine musoro zvakanaka | zvine musoro zvakanaka |
| Mobility | limited | inoshamisa |