{"id":477721,"date":"2023-08-09T09:19:17","date_gmt":"2023-08-09T09:19:17","guid":{"rendered":""},"modified":"2023-09-05T11:15:16","modified_gmt":"2023-09-05T11:15:16","slug":"ipv4","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/my\/wiki\/ipv4\/","title":{"rendered":"IPv4"},"content":{"rendered":"<p>IPv4 ialah versi keempat Internet Protocol (IP), yang merupakan protokol komunikasi utama dalam Internet Protocol Suite. Ia berfungsi sebagai sistem pengenalan untuk peranti pada rangkaian dan mengarahkan kebanyakan trafik di Internet.<\/p>\n<h2>Sejarah Asal Usul IPv4 dan Penyebutan Pertamanya<\/h2>\n<p>IPv4 telah dibangunkan sebagai pengganti kepada pendahulunya, IPv3. Spesifikasi pertama IPv4 telah diterbitkan oleh Agensi Projek Penyelidikan Lanjutan Pertahanan (DARPA) pada September 1981 sebagai RFC 791. Ini adalah sebahagian daripada peralihan daripada Program Kawalan Rangkaian percubaan kepada seni bina TCP\/IP moden, meletakkan asas untuk Internet seperti yang kita ketahui hari ini.<\/p>\n<h2>Maklumat Terperinci Mengenai IPv4: Meluaskan Topik<\/h2>\n<p>IPv4 beroperasi pada skema alamat 32-bit, membenarkan lebih kurang 4.3 bilion alamat unik. Alamat ini dibahagikan kepada lima kelas (A, B, C, D, dan E) untuk pelbagai tujuan.<\/p>\n<h3>Kelas Alamat IPv4:<\/h3>\n<ul>\n<li>Kelas A: Digunakan untuk rangkaian besar.<\/li>\n<li>Kelas B: Digunakan untuk rangkaian bersaiz sederhana.<\/li>\n<li>Kelas C: Digunakan untuk rangkaian yang lebih kecil.<\/li>\n<li>Kelas D: Dipelihara untuk pengalamatan multicast.<\/li>\n<li>Kelas E: Dipelihara untuk tujuan eksperimen.<\/li>\n<\/ul>\n<h2>Struktur Dalaman IPv4: Cara IPv4 Berfungsi<\/h2>\n<p>Alamat IPv4 terdiri daripada empat oktet, dipisahkan oleh titik. Berikut adalah strukturnya:<\/p>\n<ol>\n<li><strong>Bahagian Rangkaian:<\/strong> Ini mengenal pasti rangkaian tertentu.<\/li>\n<li><strong>Bahagian Hos:<\/strong> Ini mengenal pasti peranti tertentu dalam rangkaian.<\/li>\n<\/ol>\n<h3>Contoh:<\/h3>\n<p><code data-no-translation=\"\">192.168.1.1<\/code><\/p>\n<ul>\n<li><code data-no-translation=\"\">192.168.1<\/code> ialah bahagian rangkaian.<\/li>\n<li><code data-no-translation=\"\">1<\/code> adalah bahagian tuan rumah.<\/li>\n<\/ul>\n<p>Alamat mestilah unik dalam rangkaian, dan penghala menggunakannya untuk memajukan data ke lokasi yang betul.<\/p>\n<h2>Analisis Ciri Utama IPv4<\/h2>\n<ul>\n<li><strong>Skim Menangani:<\/strong> 32-bit, membenarkan lebih 4 bilion alamat unik.<\/li>\n<li><strong>Pecahan:<\/strong> Paket data boleh dipecah-pecah dan dipasang semula.<\/li>\n<li><strong>Checksum:<\/strong> Memastikan integriti data.<\/li>\n<li><strong>Masa untuk Langsung (TTL):<\/strong> Menghalang paket data daripada bergelung selama-lamanya.<\/li>\n<\/ul>\n<h2>Jenis IPv4: Gunakan Jadual dan Senarai untuk Menulis<\/h2>\n<table>\n<thead>\n<tr>\n<th>taip<\/th>\n<th>Penerangan<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Unicast<\/td>\n<td>Alamat untuk satu peranti<\/td>\n<\/tr>\n<tr>\n<td>Siarkan<\/td>\n<td>Alamat untuk semua peranti dalam rangkaian<\/td>\n<\/tr>\n<tr>\n<td>Multicast<\/td>\n<td>Alamat untuk kumpulan peranti tertentu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Cara Menggunakan IPv4, Masalah dan Penyelesaiannya Berkaitan dengan Penggunaan<\/h2>\n<p>IPv4 digunakan secara meluas untuk rangkaian tetapi menghadapi masalah seperti mengatasi keletihan. Penyelesaian seperti Terjemahan Alamat Rangkaian (NAT) dan peralihan kepada IPv6 telah dilaksanakan untuk mengurangkan masalah ini.<\/p>\n<h2>Ciri Utama dan Perbandingan Lain dengan Istilah Serupa<\/h2>\n<h3>Perbandingan dengan IPv6:<\/h3>\n<table>\n<thead>\n<tr>\n<th>Ciri<\/th>\n<th>IPv4<\/th>\n<th>IPv6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Saiz Alamat<\/td>\n<td>32-bit<\/td>\n<td>128-bit<\/td>\n<\/tr>\n<tr>\n<td>Format Alamat<\/td>\n<td>Perpuluhan Bertitik<\/td>\n<td>Heksadesimal<\/td>\n<\/tr>\n<tr>\n<td>Keselamatan<\/td>\n<td>Pilihan<\/td>\n<td>terbina dalam<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Perspektif dan Teknologi Masa Depan Berkaitan dengan IPv4<\/h2>\n<p>IPv4 akan terus relevan kerana sistem warisan, tetapi masa depan cenderung kepada IPv6. Teknologi peralihan seperti dwi-tindanan membenarkan kedua-dua IPv4 dan IPv6 digunakan secara serentak.<\/p>\n<h2>Bagaimana Pelayan Proksi Boleh Digunakan atau Dikaitkan dengan IPv4<\/h2>\n<p>Pelayan proksi seperti OneProxy bertindak sebagai perantara, memajukan permintaan dan respons antara peranti klien dan pelayan sasaran. Dengan IPv4, pelayan proksi boleh meningkatkan privasi, menapis kandungan atau memintas sekatan geografi.<\/p>\n<h2>Pautan Berkaitan<\/h2>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Internet_Protocol\" target=\"_new\" rel=\"noopener nofollow\">Protokol Internet \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc791\" target=\"_new\" rel=\"noopener nofollow\">RFC 791 \u2013 IETF<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/my\/\" target=\"_new\" rel=\"noopener\">OneProxy \u2013 Laman Web Rasmi<\/a><\/li>\n<\/ul>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477721","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Internet Protocol Version 4 (IPv4)<\/mark>","faq_items":[{"question":"What is IPv4 and why is it important?","answer":"<p>IPv4, or Internet Protocol Version 4, is the fourth version of the Internet Protocol, serving as the primary identification and routing system for devices on a network. It's vital for Internet functionality, routing most of the online traffic.<\/p>"},{"question":"When was IPv4 first introduced, and who developed it?","answer":"<p>IPv4 was first introduced in September 1981 by the Defense Advanced Research Projects Agency (DARPA) as RFC 791. It marked a crucial transition in Internet architecture.<\/p>"},{"question":"How is an IPv4 address structured?","answer":"<p>An IPv4 address is structured into two portions: the network portion and the host portion, consisting of four octets separated by dots. For example, in the address <code>192.168.1.1<\/code>, <code>192.168.1<\/code> is the network portion, and <code>1<\/code> is the host portion.<\/p>"},{"question":"What are the key features of IPv4?","answer":"<p>IPv4's key features include a 32-bit addressing scheme, allowing over 4 billion unique addresses, fragmentation of data packets, checksum for data integrity, and Time-to-Live (TTL) to prevent infinite looping of data packets.<\/p>"},{"question":"What types of IPv4 addresses exist?","answer":"<p>There are three main types of IPv4 addresses: Unicast for a single device, Broadcast for all devices in a network, and Multicast for a specific group of devices.<\/p>"},{"question":"What are the main problems with IPv4, and how are they solved?","answer":"<p>The main problem with IPv4 is address exhaustion, due to the limited number of unique addresses. Solutions like Network Address Translation (NAT) and transitioning to IPv6 have been implemented to address this issue.<\/p>"},{"question":"How does IPv4 compare to IPv6?","answer":"<p>IPv4 uses a 32-bit address scheme, whereas IPv6 uses 128-bit. IPv4's security is optional, while IPv6 has built-in security. The address format is dotted decimal for IPv4 and hexadecimal for IPv6.<\/p>"},{"question":"What are the future perspectives related to IPv4?","answer":"<p>Though IPv4 will continue to be relevant in legacy systems, the future is leaning towards IPv6. Transition technologies like dual-stack will enable both IPv4 and IPv6 to be used together.<\/p>"},{"question":"How are proxy servers like OneProxy associated with IPv4?","answer":"<p>Proxy servers like OneProxy work with IPv4 by acting as intermediaries, forwarding requests and responses between client devices and target servers. They can enhance privacy, filter content, or bypass geographical restrictions.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/wiki\/477721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/wiki\/477721\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/my\/wp-json\/wp\/v2\/media?parent=477721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}