{"id":479445,"date":"2023-08-09T10:40:10","date_gmt":"2023-08-09T10:40:10","guid":{"rendered":""},"modified":"2023-09-05T11:18:49","modified_gmt":"2023-09-05T11:18:49","slug":"universally-unique-identifier","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/universally-unique-identifier\/","title":{"rendered":"\ubcf4\ud3b8\uc801\uc73c\ub85c \uace0\uc720\ud55c \uc2dd\ubcc4\uc790"},"content":{"rendered":"<p>\ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790\uc5d0 \ub300\ud55c \uac04\ub7b5\ud55c \uc815\ubcf4<\/p>\n<p>UUID(Universally Unique Identifier)\ub294 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc815\ubcf4\ub97c \uc2dd\ubcc4\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 128\ube44\ud2b8 \uc22b\uc790\uc785\ub2c8\ub2e4. \uc911\uc559 \uae30\uad00\uc774\ub098 \ub2f9\uc0ac\uc790 \uac04\uc758 \uc870\uc815\uc5d0 \uc758\uc874\ud558\uc9c0 \uc54a\uace0 \uace0\uc720\ud55c \ucc38\uc870\ub85c \ub370\uc774\ud130\uc5d0 \ub808\uc774\ube14\uc744 \uc9c0\uc815\ud558\ub294 \ub370 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ubcf4\ud3b8\uc801 \uace0\uc720 \uc2dd\ubcc4\uc790\uc758 \uc720\ub798\uc640 \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac<\/h2>\n<p>UUID\ub294 1980\ub144\ub300 \ucd08 Apollo Network Computing System\uc758 \uc77c\ubd80\ub85c \ucc98\uc74c \uc815\uc758\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ucd5c\ucd08\uc758 \ud45c\uc900\ud654\ub41c \uc0ac\uc591\uc740 OSF(Open Software Foundation)\uc758 DCE(\ubd84\uc0b0 \ucef4\ud4e8\ud305 \ud658\uacbd)\uc758 \uc77c\ubd80\ub85c 1990\ub144\uc5d0 \ubc1c\ud45c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8 \uc774\ud6c4\ub85c UUID\ub294 \ub9ce\uc740 \uc2dc\uc2a4\ud15c\uacfc \ud504\ub85c\ud1a0\ucf5c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uacf5\ud1b5 \ud45c\uc900\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4: \uc8fc\uc81c \ud655\uc7a5<\/h2>\n<p>UUID\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uad6c\uc131\uc5d0\uc11c \uc2dc\uc2a4\ud15c, \uc7a5\uce58 \ubc0f \ud2b9\uc815 \uc2dc\uc810\uc5d0 \uac78\uccd0 \uace0\uc720\ud558\uac8c \uc720\uc9c0\ub418\ub294 \uc2dd\ubcc4\uc790\ub85c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. ISO\/IEC 9834-8:2014 \ud45c\uc900\uc740 UUID\uc758 \uacf5\uc2dd \uc0ac\uc591\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \ud30c\uc77c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud0a4\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790\uc758 \ub0b4\ubd80 \uad6c\uc870: \ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790\uc758 \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n<p>UUID\ub294 32\ube44\ud2b8 \uc2dc\uac04 \ud558\uc704, 16\ube44\ud2b8 \uc2dc\uac04 \uc911\uac04, 16\ube44\ud2b8 \uc2dc\uac04 \uc0c1\uc704 \ubc0f \ubc84\uc804, 8\ube44\ud2b8 \ud074\ub85d \uc2dc\ud000\uc2a4 \ubc0f \uc608\uc57d, 8\ube44\ud2b8 \ud074\ub85d \uc2dc\ud000\uc2a4\uc758 \ub2e4\uc12f \ubd80\ubd84\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. low \ubc0f 48\ube44\ud2b8 \ub178\ub4dc\uc785\ub2c8\ub2e4. \ub808\uc774\uc544\uc6c3\uc740 \uc911\ubcf5\uc774 \ubd88\uac00\ub2a5\ud560 \uc815\ub3c4\ub85c \ucda9\ubd84\ud55c \ucc28\uc774\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790\uc758 \uc8fc\uc694 \ud2b9\uc9d5 \ubd84\uc11d<\/h2>\n<ul>\n<li><strong>\ub3c5\ucc3d\uc131:<\/strong> UUID\uc758 \uc8fc\uc694 \ud2b9\uc9d5\uc740 \uacf5\uac04\uacfc \uc2dc\uac04\uc5d0 \uac78\uccd0 \uace0\uc720\ud558\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ud45c\uc900 \uae30\ubc18:<\/strong> \uad6d\uc81c \ud45c\uc900\uc5d0 \uc758\ud574 \uc815\uc758\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc911\uc559 \uae30\uad00 \uc5c6\uc74c:<\/strong> UUID\ub294 \uc911\uc559 \uae30\uad00 \uc5c6\uc774\ub3c4 \ub2e4\uc591\ud55c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub3c5\ub9bd\uc801\uc73c\ub85c \uc0dd\uc131\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e4\uc7ac:<\/strong> \ud30c\uc77c \uc2dc\uc2a4\ud15c\ubd80\ud130 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790\uc758 \uc720\ud615<\/h2>\n<p>UUID\uc5d0\ub294 5\uac00\uc9c0 \ubc84\uc804\uc774 \uc788\uc73c\uba70 \uac01\uac01 \ub2e4\ub978 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\ubc84\uc804<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>MAC \uc8fc\uc18c \ubc0f \ud0c0\uc784\uc2a4\ud0ec\ud504 \uae30\ubc18<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>POSIX UID\ub97c \uc0ac\uc6a9\ud558\ub294 DCE \ubcf4\uc548<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>MD5 \ud574\uc2dc \ubc0f \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uae30\ubc18<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\ubb34\uc791\uc704\ub85c \uc0dd\uc131\ub428<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>SHA-1 \ud574\uc2dc \ubc0f \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uae30\ubc18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790 \uc0ac\uc6a9 \ubc29\ubc95, \uc0ac\uc6a9\uacfc \uad00\ub828\ub41c \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0 \ubc29\ubc95<\/h2>\n<p>UUID\ub294 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4:<\/strong> \ub808\ucf54\ub4dc\uc758 \uace0\uc720 \ud0a4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ud30c\uc77c \uc2dc\uc2a4\ud15c:<\/strong> \ud30c\uc77c\uc744 \uace0\uc720\ud558\uac8c \uc2dd\ubcc4\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub124\ud2b8\uc6cc\ud0b9:<\/strong> \uc138\uc158 \uc2dd\ubcc4\uc6a9.<\/li>\n<\/ul>\n<p><strong>\ubb38\uc81c:<\/strong><\/p>\n<ul>\n<li><strong>\ucda9\ub3cc:<\/strong> \ub4dc\ubb3c\uac8c \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc131\ub2a5:<\/strong> \uc138\ub300\uac00 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\uc194\ub8e8\uc158:<\/strong><\/p>\n<ul>\n<li><strong>\ubc84\uc804 4 \uc0ac\uc6a9:<\/strong> \ucda9\ub3cc \uac00\ub2a5\uc131\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/li>\n<li><strong>\ucd5c\uc801\ud654\ub41c \ub77c\uc774\ube0c\ub7ec\ub9ac:<\/strong> \ud6a8\uc728\uc801\uc778 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ud65c\uc6a9\ud558\uc5ec UUID\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uae30\ud0c0 \uc720\uc0ac \uc6a9\uc5b4\uc640\uc758 \ube44\uad50<\/h2>\n<ul>\n<li><strong>UUID \ub300 GUID:<\/strong> GUID\ub294 Microsoft\uc5d0\uc11c UUID\ub97c \uad6c\ud604\ud55c \uac83\uc785\ub2c8\ub2e4. \ub458 \ub2e4 128\ube44\ud2b8 \uac12\uc774\uba70 GUID\ub294 \uc885\uc885 UUID\uc640 \uac19\uc740 \uc758\ubbf8\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2dc\uc2a4\ud15c \uc804\ubc18\uc5d0 \uac78\uce5c \uace0\uc720\uc131:<\/strong> \ub85c\uceec ID\uc640 \ub2ec\ub9ac UUID\ub294 \uc2dc\uc2a4\ud15c \uc804\uccb4\uc5d0\uc11c \uace0\uc720\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ubcf4\ud3b8\uc801\uace0\uc720\uc2dd\ubcc4\uc790(Universally Unique Identifier)\uc640 \uad00\ub828\ub41c \ubbf8\ub798\uc758 \uad00\uc810\uacfc \uae30\uc220<\/h2>\n<p>\uc0c8\ub85c\uc6b4 \uae30\uc220\uc740 UUID\ub97c \ud65c\uc6a9\ud558\uc5ec \ubcf4\uc548\uacfc \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \ud5a5\uc0c1\ud560 \uc218 \uc788\uc73c\uba70, \uc9c4\ud654\ud558\ub294 \uc694\uad6c \uc0ac\ud56d\uacfc \uc554\ud638\ud654 \ud45c\uc900\uc744 \uc218\uc6a9\ud558\uae30 \uc704\ud574 \uc0c8 \ubc84\uc804\uc774 \ub3c4\uc785\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ubc94\uc6a9 \uace0\uc720 \uc2dd\ubcc4\uc790\uc640 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95<\/h2>\n<p>OneProxy\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uac83\uacfc \uac19\uc740 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 UUID\ub97c \ud65c\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790 \uc138\uc158\uc744 \uace0\uc720\ud558\uac8c \uc2dd\ubcc4\ud558\uac70\ub098 \ub370\uc774\ud130 \ud328\ud0b7\uc744 \ucd94\uc801\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. UUID\ub97c \uc0ac\uc6a9\ud558\uba74 \ud504\ub85d\uc2dc \uc11c\ubc84\uac00 \ucda9\ub3cc \uc5c6\uc774 \uc5f0\uacb0\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uace0 \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638 \ubc0f \ubcf4\uc548\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc4122\" target=\"_new\" rel=\"noopener nofollow\">RFC 4122: UUID(Universally Unique Identifier) URN \ub124\uc784\uc2a4\ud398\uc774\uc2a4<\/a><\/li>\n<li><a href=\"https:\/\/www.iso.org\/standard\/66146.html\" target=\"_new\" rel=\"noopener nofollow\">ISO\/IEC 9834-8:2014<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/kr\/\" target=\"_new\" rel=\"noopener\">OneProxy \uc6f9\uc0ac\uc774\ud2b8<\/a> \ud504\ub85d\uc2dc \uc11c\ubc84 \uad00\ub9ac\uc5d0\uc11c UUID\ub97c \ud65c\uc6a9\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc744 \ucc38\uc870\ud558\uc138\uc694.<\/li>\n<\/ul>","protected":false},"featured_media":479446,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479445","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Universally Unique Identifier (UUID)<\/mark>","faq_items":[{"question":"What is a Universally Unique Identifier (UUID)?","answer":"<p>A Universally Unique Identifier (UUID) is a 128-bit number used to uniquely identify information in computer systems. It is a standardized and globally unique identifier without the need for central coordination.<\/p>"},{"question":"How did UUIDs originate, and when were they first mentioned?","answer":"<p>UUIDs were first defined as part of the Apollo Network Computing System in the early 1980s. The first standardized specification was published in 1990 as part of the Open Software Foundation's (OSF) Distributed Computing Environment (DCE).<\/p>"},{"question":"How do UUIDs work, and what is their internal structure?","answer":"<p>UUIDs consist of five parts: a 32-bit time-low, 16-bit time-mid, 16-bit time-high-and-version, 8-bit clock-seq-and-reserved, 8-bit clock-seq-low, and 48-bit node. This structure ensures their uniqueness across space and time.<\/p>"},{"question":"What are the key features of UUIDs?","answer":"<p>The key features of UUIDs include:<\/p><ul><li>Uniqueness: UUIDs are globally unique across different systems and devices.<\/li><li>Standards-based: They are defined by the ISO\/IEC 9834-8:2014 international standard.<\/li><li>No Central Authority: UUIDs can be generated independently without requiring coordination from a central authority.<\/li><li>Versatility: They are used in various applications, including file systems, databases, and network protocols.<\/li><\/ul>"},{"question":"What are the different types of UUIDs?","answer":"<p>There are five versions of UUIDs, each serving different purposes:<\/p><ol><li>Version 1: Based on MAC address and timestamp.<\/li><li>Version 2: DCE Security, with POSIX UIDs.<\/li><li>Version 3: Based on MD5 hash and a namespace.<\/li><li>Version 4: Randomly generated.<\/li><li>Version 5: Based on SHA-1 hash and a namespace.<\/li><\/ol>"},{"question":"How are UUIDs used, and what are the associated problems and solutions?","answer":"<p>UUIDs are used in various applications, such as databases, file systems, and networking, to uniquely identify information. However, problems like collisions and potential performance issues may arise.<\/p><p>To address these issues, developers can use Version 4 UUIDs to reduce collision probabilities and optimize libraries for efficient UUID generation.<\/p>"},{"question":"How do UUIDs compare to GUIDs, and what makes them unique across systems?","answer":"<p>GUID (Globally Unique Identifier) is a Microsoft implementation of UUID, both being 128-bit values. UUIDs maintain their uniqueness across systems, unlike local IDs, making them suitable for cross-platform applications.<\/p>"},{"question":"What does the future hold for UUIDs, and how are they associated with proxy servers like OneProxy?","answer":"<p>In the future, UUIDs may see advancements to accommodate evolving cryptographic standards and enhance security and interoperability. Proxy servers like OneProxy can utilize UUIDs to uniquely identify user sessions and manage connections efficiently, ensuring privacy and security.<\/p><p>For more information and applications of UUIDs, please visit the provided related links.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/479445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/479445\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/479446"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=479445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}