[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ojai.cz\/internet-protocol-a-ip-adresa\/#Article","mainEntityOfPage":"https:\/\/www.ojai.cz\/internet-protocol-a-ip-adresa\/","headline":"Internet Protocol a IP adresa","name":"Internet Protocol a IP adresa","description":"IP adresa je zkratka pro pojem Internet protocol address. Je to jedine\u010dn\u00fd \u010d\u00edseln\u00fd k\u00f3d p\u0159i\u0159azen\u00fd ka\u017ed\u00e9mu za\u0159\u00edzen\u00ed pohybuj\u00edc\u00edmu se v\u00a0s\u00edti,","datePublished":"2025-02-25","dateModified":"2023-05-02","author":{"@type":"Person","@id":"https:\/\/www.ojai.cz\/author\/#Person","name":"","url":"https:\/\/www.ojai.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/093836c6bc976bea6a4c3cd39f9136c261430c33201aa865249fef2be34e3fdb?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/093836c6bc976bea6a4c3cd39f9136c261430c33201aa865249fef2be34e3fdb?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ojai.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ojai.cz\/wp-content\/uploads\/img_a344205_w2059_t1557666308.jpg","url":"https:\/\/www.ojai.cz\/wp-content\/uploads\/img_a344205_w2059_t1557666308.jpg","height":0,"width":0},"url":"https:\/\/www.ojai.cz\/internet-protocol-a-ip-adresa\/","wordCount":414,"articleBody":"IP adresa je zkratka pro pojem Internet protocol address. Je to jedine\u010dn\u00fd \u010d\u00edseln\u00fd k\u00f3d p\u0159i\u0159azen\u00fd ka\u017ed\u00e9mu za\u0159\u00edzen\u00ed pohybuj\u00edc\u00edmu se v\u00a0s\u00edti, kter\u00e9 pou\u017e\u00edv\u00e1 Internet protocol. \u010c\u00edseln\u00fd \u00fadaj m\u00e1 dv\u011b funkce:\t\tK\u00a0rozli\u0161en\u00ed s\u00ed\u0165ov\u00fdch rozhran\u00ed p\u0159ipojen\u00fdch k\u00a0s\u00edti.\t\tK\u00a0lokalizaci jednotliv\u00fdch rozhran\u00ed. T\u00edmto zp\u016fsobem umo\u017e\u0148uje vytvo\u0159en\u00ed cesty k\u00a0dan\u00e9mu rozhran\u00ed.V\u00a0r\u00e1mci IP identifik\u00e1tor\u016f m\u016f\u017eeme rozli\u0161ovat n\u011bkolik typ\u016f \u010di kategori\u00ed. P\u0159esn\u00e1 podoba a fungov\u00e1n\u00ed zrovna t\u00e9 Va\u0161\u00ed toti\u017e m\u016f\u017ee b\u00fdt modifikov\u00e1na poskytovatelem p\u0159ipojen\u00ed.Statick\u00e1 adresaTato mo\u017enost znamen\u00e1, \u017ee Va\u0161emu po\u010d\u00edta\u010di \u010di routeru bude poskytovatelem internetu trvale p\u0159id\u011blen jeden a ten sam\u00fd k\u00f3d. Tato varianta ov\u0161em b\u00fdv\u00e1 v\u00fdrazn\u011b dra\u017e\u0161\u00ed, ne\u017e jej\u00ed alternativa n\u00ed\u017ee.Dynamick\u00e1 adresaNa rozd\u00edl od statick\u00e9ho \u00fadaje se v\u00a0ur\u010dit\u00fdch \u010dasov\u00fdch intervalech m\u011bn\u00ed. \u010cist\u011b teoreticky se m\u016f\u017ee zm\u011bnit p\u0159i ka\u017ed\u00e9m p\u0159ipojen\u00ed. A p\u0159esto\u017ee je b\u011b\u017enou prax\u00ed, \u017ee i z\u00e1kazn\u00edci s\u00a0dynamickou adresou maj\u00ed jednu konkr\u00e9tn\u00ed p\u0159id\u011blenou na del\u0161\u00ed \u010dasov\u00fd \u00fasek, poskytovatel to jakkoliv negarantuje.Standardy \u2013 IPv4 a IPv6V\u00fd\u0161e zm\u00edn\u011bn\u00e9 zkratky ozna\u010duj\u00ed varianty Internet protokolu. Ten zaji\u0161\u0165uje sm\u011brov\u00e1n\u00ed datagram\u016f, neboli packet\u016f, ze zdrojov\u00e9ho za\u0159\u00edzen\u00ed do c\u00edlov\u00e9ho hostitele. Pod pojmem datagramy m\u016f\u017eeme rozum\u011bt data v\u00a0IP s\u00edti, kter\u00e1 jsou pos\u00edl\u00e1na ve form\u011b blok\u016f.IPv4 je zn\u00e1m ji\u017e 35 let, p\u0159esto je st\u00e1le mnohem roz\u0161\u00ed\u0159en\u011bj\u0161\u00ed, ne\u017e jeho nov\u011bj\u0161\u00ed alternativa. Je ale dimenzov\u00e1n na vyu\u017e\u00edv\u00e1n\u00ed maxim\u00e1ln\u011b cca 4 miliard IP adres, co\u017e je ale v\u00a0dne\u0161n\u00ed dob\u011b \u017ealostn\u011b m\u00e1lo. To vedlo k\u00a0pot\u0159eb\u011b vymyslet lep\u0161\u00ed \u0159e\u0161en\u00ed \u2013 a vznikl nov\u011bj\u0161\u00ed standard IPv6.Pozvoln\u00fd n\u00e1stup IPv6 zapo\u010dal p\u0159ed asi jeden\u00e1cti lety. Na rozd\u00edl od star\u0161\u00edho kolegy m\u016f\u017ee pracovat s\u00a0a\u017e 340 sextili\u00f3ny kombinac\u00ed, p\u0159edstavuje tedy progresivn\u00ed variantu budoucnosti. Probl\u00e9mem ale je, \u017ee \u0159ada slu\u017eeb je podm\u00edn\u011bna pou\u017e\u00edv\u00e1n\u00edm IPv4.Vyu\u017eit\u00ed jednoho \u010di druh\u00e9ho protokolu z\u00e1le\u017e\u00ed na spole\u010dnosti poskytuj\u00edc\u00ed p\u0159ipojen\u00ed, v\u00a0dne\u0161n\u00ed dob\u011b ale ji\u017e nen\u00ed v\u00fdjimkou tzv. dual stack, tedy mo\u017enost pou\u017eit\u00ed obou variant protokolu z\u00e1rove\u0148.                                                                                                                                                                                                                                                                                                                                                                                        4.3\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Internet Protocol a IP adresa","item":"https:\/\/www.ojai.cz\/internet-protocol-a-ip-adresa\/#breadcrumbitem"}]}]