{"id":669,"date":"2016-02-21T19:05:04","date_gmt":"2016-02-21T19:05:04","guid":{"rendered":"http:\/\/netplus.sk\/?p=669"},"modified":"2018-08-08T19:12:00","modified_gmt":"2018-08-08T19:12:00","slug":"naklady-pri-implementacii-wireless-siete","status":"publish","type":"post","link":"https:\/\/netplus.sk\/index.php\/2016\/02\/21\/naklady-pri-implementacii-wireless-siete\/","title":{"rendered":"N\u00e1klady pri implement\u00e1cii Wireless siete"},"content":{"rendered":"<p style=\"text-align: justify;\">\u00c1no, WiFi m\u00e1 mno\u017estvo prednost\u00ed a v\u00fdhod, ale osved\u010d\u00ed sa aj ke\u010f budeme h\u013eadie\u0165 iba na cenu? Neprevy\u0161ia n\u00e1klady spojen\u00e9 s jej implement\u00e1ciou rozpo\u010det? Na to sa pozrieme v nasleduj\u00facom \u010dl\u00e1nku. Na hypotetickom pr\u00edklade sa spolu pozrieme na porovnanie cien n\u00e1kladov pri implement\u00e1cii po\u010d\u00edta\u010dovej siete vo fikt\u00edvnej firme M\u00ednus s.r.o, kde sa rozhoduj\u00fa medzi tradi\u010dnou &#8220;wired&#8221; sie\u0165ou, ktor\u00fa budeme vola\u0165 klasika a kompletn\u00fdm WiFi pokryt\u00edm, ktor\u00e9 by nahradilo k\u00e1ble. Spolo\u010dnos\u0165 sa v bl\u00edzkej dobe s\u0165ahuje do nov\u00fdch priestorov, nach\u00e1dzaj\u00facich sa v jednopodla\u017enej budove o rozlohe 1200 m2. Po\u010det zamestnancov je 120, v\u0161etci potrebuj\u00fa pracova\u0165 s PC alebo laptopom, internetov\u00e9 pripojenie je nutn\u00e9 aj v konferen\u010dnej miestnosti. Celkov\u00e9 n\u00e1klady rozdel\u00edme na tri \u010dasti &#8211; cena za hardv\u00e9r, cena za fyzick\u00fa in\u0161tal\u00e1ciu a cena za konfigur\u00e1ciu.<\/p>\n<p>&nbsp;<br \/>\n<strong>1. Hardv\u00e9r<\/strong><\/p>\n<p style=\"text-align: justify;\">Aj ke\u010f celkom prekvapivo, vzh\u013eadom k po\u010dtu zariaden\u00ed, cena hovor\u00ed v prospech wireless rie\u0161enia. Samozrejme v\u00fdsledok \u00fazko z\u00e1vis\u00ed od typu a zna\u010dky switchov a AP, v na\u0161om pr\u00edpade sme pou\u017eili switche rady entreprise. Rovnak\u00e9 krit\u00e9ria sme zvolili pre Access Pointy.<\/p>\n<div class='content-column one_half'><div style=\"padding-right:10px;padding-left:10px;\"><strong><em>Klasika<\/em><\/strong><br \/>\n<\/p>\n<p style=\"text-align: justify;\">Pri klasickom pr\u00edstupe mus\u00edme uva\u017eova\u0165 minim\u00e1lne jeden switchport pre ka\u017ed\u00e9ho u\u017e\u00edvate\u013ea, z \u010doho n\u00e1m pri po\u010dte 120 klientov a 48 portov na switch vych\u00e1dza 3 x 48 portov\u00fd switch. Pri v\u00e4\u010d\u0161om po\u010dte end-user switchov, by sme museli za\u010da\u0165 po\u010d\u00edta\u0165 aj s core switchom, v tomto pr\u00edpade ho, ale e\u0161te m\u00f4\u017eeme zanedba\u0165. Rovnako sme zanedbali \u010fa\u013e\u0161ie sie\u0165ov\u00e9 zariadenia ako tla\u010diarne alebo servery, ktor\u00e9 by nav\u00fd\u0161ili cenu pri oboch rie\u0161eniach rovnako.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Suma spolu: 3 x 5919 \u20ac = 17 757 \u20ac <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/netplus.sk\/wp-content\/uploads\/2016\/02\/juniper_SX522_.jpg\" alt=\"juniper_SX522_\" width=\"522\" height=\"232\" class=\"aligncenter size-full wp-image-689\" srcset=\"https:\/\/netplus.sk\/wp-content\/uploads\/2016\/02\/juniper_SX522_.jpg 522w, https:\/\/netplus.sk\/wp-content\/uploads\/2016\/02\/juniper_SX522_-300x133.jpg 300w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><\/p><\/div><\/div>\n<div class='content-column one_half last_column'><div style=\"padding-right:10px;padding-left:10px;\"><strong><em>Wireless<\/em><\/strong><br \/>\n<\/p>\n<p style=\"text-align: justify;\">Pri bezdr\u00f4tovom rie\u0161en\u00ed potrebujeme len jeden agrega\u010dn\u00fd switch, ktor\u00fdm prepoj\u00edme AP\u010dka, 24 portov\u00fd n\u00e1m bude s preh\u013eadom posta\u010dova\u0165. Najv\u00e4\u010d\u0161ia polo\u017eka v tomto pr\u00edpade bud\u00fa Access Pointy. Aby sme zabezpe\u010dili klientom naozaj pohodln\u00fd internetov\u00fd pr\u00edstup a vyhli sa potenci\u00e1lnym probl\u00e9mom so zahlten\u00edm p\u00e1sma, budeme uva\u017eova\u0165 maxim\u00e1lne 8 u\u017e\u00edvate\u013eov na jedno AP a spolu teda potrebujeme 15 x AP. <\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Suma spolu: 1 x 3535 \u20ac + 15 x 640 \u20ac = 13 135 \u20ac<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/netplus.sk\/wp-content\/uploads\/2015\/06\/AP-225-aruba.png\" alt=\"AP-225-aruba\" width=\"200\" height=\"223\" class=\"aligncenter size-full wp-image-505\" \/><br \/><\/div><\/div><div class='clear_column'><\/div>\n<p><strong>2. Kabel\u00e1\u017e<\/strong><\/p>\n<p style=\"text-align: justify;\">Pri tejto polo\u017eke asi nikto nepochybuje, \u017ee cena bude hra\u0165 v prospech bezd\u00f4tov\u00e9ho pr\u00edstupu, koniec koncov vypl\u00fdva to u\u017e zo samotn\u00e9ho n\u00e1zvu. Aj ke\u010f existuje mo\u017enos\u0165 poprep\u00e1ja\u0165 Access Pointy bezdr\u00f4tovo a vytvori\u0165 Wireless mesh, aby sme dali \u0161ancu tradi\u010dn\u00e9mu pr\u00edstupu, v pr\u00edpade Wirelessu sme sa rozhodli AP\u010dka prepoji\u0165 ethernetom. <\/p>\n<div class='content-column one_half'><div style=\"padding-right:10px;padding-left:10px;\"><strong><em>Klasika<\/em><\/strong><br \/>\n<\/p>\n<p style=\"text-align: justify;\">120 u\u017e\u00edvate\u013eov bude potrebova\u0165 120 k\u00e1blov o tom niet poch\u00fdb, aby to v kancel\u00e1rii nejako vyzeralo tak bude treba in\u0161talova\u0165 ethernetov\u00e9 z\u00e1suvky. Poctiv\u00e1 pr\u00e1ca si vy\u017eaduje poctiv\u00fa pl\u00e1cu a za odpracovan\u00fa hodinu zaplat\u00edme k\u00e1blova\u010dom 15 \u20ac. Po\u010d\u00edtame, \u017ee \u0165ahanie k\u00e1blov, in\u0161tal\u00e1cia z\u00e1suviek a k\u00e1blov\u00fdch l\u00ed\u0161t zaberie okolo \u0161tyroch \u010dloveko dn\u00ed. <\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Pr\u00e1ca : 4 x 8 x 15 \u20ac = 480 \u20ac + Materi\u00e1l : 1000 \u20ac = Spolu: 1500 \u20ac <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/netplus.sk\/wp-content\/uploads\/2016\/02\/blog-networkcable.jpg\" alt=\"blog-networkcable\" width=\"300\" height=\"194\" class=\"aligncenter size-full wp-image-725\" \/><br \/><\/div><\/div>\n<div class='content-column one_half last_column'><div style=\"padding-right:10px;padding-left:10px;\"><strong><em>Wireless<\/em><\/strong><br \/>\n<\/p>\n<p style=\"text-align: justify;\">V budove m\u00e1me 15 Access Pointov, to znamen\u00e1, \u017ee potrebujeme potiahnu\u0165 iba 15 k\u00e1blov. AP\u010dka b\u00fdvaj\u00fa v\u00e4\u010d\u0161inou umiestnen\u00e9 na strope, na \u010do s\u00fa predpripraven\u00e9 a tak s in\u0161tal\u00e1ciou neb\u00fdvaj\u00fa \u017eiadne probl\u00e9my. Aj menej zru\u010dn\u00fd \u010dlovek to mus\u00ed zvl\u00e1dnu\u0165 za jeden de\u0148. <br \/> &nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Pr\u00e1ca : 8 x 15 \u20ac = 120 \u20ac + Materi\u00e1l : 300 \u20ac = Spolu: 420 \u20ac<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/netplus.sk\/wp-content\/uploads\/2016\/02\/blog-screwdriver.jpg\" alt=\"blog-screwdriver\" width=\"300\" height=\"194\" class=\"aligncenter size-full wp-image-726\" \/><br \/><\/div><\/div><div class='clear_column'><\/div>\n<p><strong>3. Konfigur\u00e1cia<\/strong><\/p>\n<p style=\"text-align: justify;\">Zariadenia m\u00e1me na mieste, pripojen\u00e9, nak\u00e1blovan\u00e9, \u010dakaj\u00face na niekoho, kto ich cez tajomn\u00fa \u010dierno-zelen\u00fa konzolu nakonfiguruje tak, aby robili to \u010do od nich potrebujeme. T\u00e1to \u010das\u0165 je asi najsubjekt\u00edvnej\u0161ia a v porovnan\u00ed s predch\u00e1dzaj\u00facimi polo\u017ekami zanedbate\u013en\u00e1, napriek tomu ju pre \u00faplnos\u0165 uvediem a pok\u00fasim sa aspo\u0148 o pribli\u017en\u00e9 porovnanie. <\/p>\n<div class='content-column one_half'><div style=\"padding-right:10px;padding-left:10px;\"><strong><em>Klasika<\/em><\/strong><br \/>\n<\/p>\n<p style=\"text-align: justify;\">Sta\u010d\u00ed nastavi\u0165 3 switche, pre priemerne zru\u010dn\u00e9ho sie\u0165ara je to pr\u00e1ca na nieko\u013eko min\u00fat, ak navy\u0161e nie je zamestnan\u00fd prv\u00fd t\u00fd\u017ede\u0148 a prepoj\u00ed switche do stacku, bude konfigurova\u0165 len jedno zariadenie.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Cena spolu: 30 \u20ac x 1 hod = 30 \u20ac <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/netplus.sk\/wp-content\/uploads\/2016\/02\/blog-terminal.gif\" alt=\"blog-terminal\" width=\"300\" height=\"180\" class=\"aligncenter size-full wp-image-728\" \/><br \/><\/div><\/div>\n<div class='content-column one_half last_column'><div style=\"padding-right:10px;padding-left:10px;\"><strong><em>Wireless<\/em><\/strong><br \/>\n<\/p>\n<p style=\"text-align: justify;\">Na prv\u00fd poh\u013ead ve\u013ea pr\u00e1ce pre wireless admina, no nie je to celkom tak. V konfigur\u00e1cii s Wireless Controllerom budeme konfigurova\u0165 iba jedno zariadenie, zvy\u0161n\u00e9 AP\u010dka sa nastavia automaticky. <\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Cena spolu: 30 \u20ac x 2 hod = 60 \u20ac <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/netplus.sk\/wp-content\/uploads\/2016\/02\/blog-airwave.png\" alt=\"blog-airwave\" width=\"300\" height=\"180\" class=\"aligncenter size-full wp-image-727\" \/><br \/><\/div><\/div><div class='clear_column'><\/div>\n<p><strong>Z\u00e1ver<\/strong><\/p>\n<p style=\"text-align: justify;\">Z predch\u00e1dzaj\u00fac\u00edch prepo\u010dtov m\u00f4\u017eeme vidie\u0165, \u017ee v\u00fdsledn\u00e1 cena implement\u00e1cie wireless siete je v pr\u00edpade nov\u00fdch priestorov v\u00fdrazne ni\u017e\u0161ia v porovnan\u00ed s implement\u00e1ciou klasickej ethernetovej kabel\u00e1\u017ee a prepojen\u00edm u\u017e\u00edvate\u013eov cez switch. V pr\u00edpade firmy M\u00ednus s.r.o do\u0161lo k \u00faspore bezm\u00e1la 6000 \u20ac, ktor\u00e9 m\u00f4\u017eu pou\u017ei\u0165 pod\u013ea vlastn\u00e9ho uv\u00e1\u017eenia. Okrem toho, \u017ee u\u0161etrili na n\u00e1kladoch, v\u010faka tomu, \u017ee kompletne pokryli priestory firmy wireless sign\u00e1lom, z\u00edskali nespo\u010det \u010fal\u0161\u00edch v\u00fdhod, ktor\u00e9 ocenia u\u017e\u00edvatelia v ka\u017edodennej prev\u00e1dzke. Tie sa net\u00fdkaju len komfortu, akoby sa a prv\u00fd poh\u013ead mohlo zda\u0165, ale aj mo\u017enost\u00ed vysokej dostupnosti a konfigura\u010dn\u00fdch pr\u00edle\u017eitot\u00ed.<\/p>\n<table>\n<tr>\n<th><\/th>\n<th><strong>Klasick\u00e9 rie\u0161enie<\/strong><\/th>\n<th><strong>Wireless rie\u0161enie<\/strong><\/th>\n<\/tr>\n<tr>\n<td>Hardv\u00e9r<\/td>\n<td>17 757 \u20ac<\/td>\n<td>13 135 \u20ac<\/td>\n<\/tr>\n<tr>\n<td>Kabel\u00e1\u017e<\/td>\n<td>1500 \u20ac<\/td>\n<td>420 \u20ac<\/td>\n<\/tr>\n<tr>\n<td>Konfigur\u00e1cia<\/td>\n<td>30 \u20ac<\/td>\n<td>60 \u20ac<\/td>\n<\/tr>\n<tr>\n<td><strong>Spolu<\/strong><\/td>\n<td>19 287 \u20ac<\/td>\n<td>13 615 \u20ac<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u00c1no, WiFi m\u00e1 mno\u017estvo prednost\u00ed a v\u00fdhod, ale osved\u010d\u00ed sa aj ke\u010f budeme h\u013eadie\u0165 iba na cenu? Neprevy\u0161ia n\u00e1klady spojen\u00e9 s jej implement\u00e1ciou rozpo\u010det? Na to sa pozrieme v nasleduj\u00facom \u010dl\u00e1nku. Na hypotetickom pr\u00edklade sa spolu pozrieme na porovnanie cien n\u00e1kladov pri implement\u00e1cii po\u010d\u00edta\u010dovej siete vo fikt\u00edvnej firme M\u00ednus s.r.o, kde sa rozhoduj\u00fa medzi tradi\u010dnou &#8220;wired&#8221; sie\u0165ou, ktor\u00fa budeme vola\u0165 klasika a kompletn\u00fdm WiFi pokryt\u00edm, ktor\u00e9 by nahradilo k\u00e1ble.<\/p>\n","protected":false},"author":1,"featured_media":786,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[20,18,19,4],"class_list":["post-669","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wireless-svet","tag-implementacia","tag-naklady","tag-navrh","tag-wifi"],"_links":{"self":[{"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/posts\/669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/comments?post=669"}],"version-history":[{"count":43,"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/posts\/669\/revisions"}],"predecessor-version":[{"id":793,"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/posts\/669\/revisions\/793"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/media\/786"}],"wp:attachment":[{"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/media?parent=669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/categories?post=669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netplus.sk\/index.php\/wp-json\/wp\/v2\/tags?post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}