{"id":475909,"date":"2023-08-09T07:24:43","date_gmt":"2023-08-09T07:24:43","guid":{"rendered":""},"modified":"2023-09-05T11:11:33","modified_gmt":"2023-09-05T11:11:33","slug":"arq","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/arq\/","title":{"rendered":"ARQ"},"content":{"rendered":"

\uc790\ub3d9 \uc7ac\uc804\uc1a1 \ucffc\ub9ac\ub77c\uace0\ub3c4 \uc54c\ub824\uc9c4 ARQ(\uc790\ub3d9 \ubc18\ubcf5 \uc694\uccad)\ub294 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud574 \ucef4\ud4e8\ud130 \ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc774\ub294 \uc798\ubabb\ub41c \ub370\uc774\ud130 \ud328\ud0b7\uc744 \uc2dd\ubcc4\ud558\uace0 \uc7ac\uc804\uc1a1\ud558\ub294 \uc624\ub958 \uac10\uc9c0\ub97c \uae30\ubc18\uc73c\ub85c \uc791\ub3d9\ud558\uc5ec \ub370\uc774\ud130 \ud1b5\uc2e0\uc758 \ubb34\uacb0\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

ARQ\uc758 \ud0c4\uc0dd\uacfc \uc9c4\ud654<\/h2>\n

ARQ\ub294 \ucef4\ud4e8\ud130 \ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c \uc548\uc815\uc801\uc774\uace0 \uc624\ub958 \uc5c6\ub294 \ud1b5\uc2e0\uc5d0 \ub300\ud55c \ud544\uc694\uc131\uc5d0\uc11c \ud0c4\uc0dd\ud588\uc2b5\ub2c8\ub2e4. ARQ \uba54\ucee4\ub2c8\uc998\uc758 \ucd5c\ucd08 \uc801\uc6a9\uc740 1960\ub144\ub300 Echo I \ubc0f Echo II \uc704\uc131 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \ud615\ud0dc\ub85c \ubc1c\uacac\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uac04\ub2e8\ud55c ARQ \ubc29\uc2dd\uc778 \uc5d0\ucf54 \ud504\ub85c\ud1a0\ucf5c\uc740 \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\uac70\ub098 \uc2b9\uc778\uc774 \ubd80\uc871\ud55c \uacbd\uc6b0 \ub370\uc774\ud130\ub97c \uc7ac\uc804\uc1a1\ud568\uc73c\ub85c\uc368 \uc1a1\uc2e0\uc790\uc640 \uc218\uc2e0\uc790 \uac04\uc758 \uc131\uacf5\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

\uc218\ub144\uc5d0 \uac78\uccd0 \ucef4\ud4e8\ud305 \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub418\uace0 \ub124\ud2b8\uc6cc\ud0b9 \ud504\ub85c\ud1a0\ucf5c\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c ARQ \uba54\ucee4\ub2c8\uc998\uc740 \uc9c0\uc18d\uc801\uc73c\ub85c \uac1c\uc120\ub418\uc5b4 \uc624\ub298\ub0a0 \uc6b0\ub9ac\uac00 \ubcf4\uc720\ud558\uace0 \uc788\ub294 \uc815\uad50\ud55c \uc2dc\uc2a4\ud15c\uc73c\ub85c \uc815\uc810\uc5d0 \ub2ec\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

ARQ\uc5d0 \ub300\ud55c \ud655\uc7a5\ub41c \uc774\ud574<\/h2>\n

ARQ\uc758 \uae30\ubcf8 \ubaa9\uc801\uc740 \uc7a5\uce58 \uac04\uc5d0 \ub370\uc774\ud130\uac00 \uc62c\ubc14\ub974\uac8c \uc804\uc1a1\ub418\ub3c4\ub85d \ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \uc624\ub958 \uac10\uc9c0 \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud569\ud558\uc5ec \uc218\ud589\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uac01 \ub370\uc774\ud130 \ud328\ud0b7\uc5d0\ub294 \uc218\uc2e0\uc790\uac00 \uc804\uc1a1 \uc911\uc5d0 \ud328\ud0b7\uc774 \uc190\uc0c1\ub418\uc5c8\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ud558\ub294 \uccb4\ud06c\uc12c \ub610\ub294 \ub2e4\ub978 \ud615\ud0dc\uc758 \uc81c\uc5b4 \ub370\uc774\ud130\uac00 \uc218\ubc18\ub429\ub2c8\ub2e4.<\/p>\n

\uc218\uc2e0\ub41c \ub370\uc774\ud130\uc5d0 \uc624\ub958\uac00 \uc5c6\uc73c\uba74 \uc218\uc2e0\uc790\ub294 \uc1a1\uc2e0\uc790\uc5d0\uac8c \uc2b9\uc778(ACK)\uc744 \ubcf4\ub0c5\ub2c8\ub2e4. \ud328\ud0b7\uc5d0 \uc624\ub958\uac00 \uc788\uc73c\uba74 NAK(\ubd80\uc815 \uc2b9\uc778)\uac00 \uc804\uc1a1\ub418\uc5b4 \ubcf4\ub0b8 \uc0ac\ub78c\uc5d0\uac8c \ub370\uc774\ud130\ub97c \ub2e4\uc2dc \uc804\uc1a1\ud558\ub77c\ub294 \uba54\uc2dc\uc9c0\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \ubc1c\uc2e0\uc790\uac00 \ud2b9\uc815 \uc2dc\uac04(\ud0c0\uc784\uc544\uc6c3 \uae30\uac04) \ub0b4\uc5d0 \uc751\ub2f5\uc744 \ubc1b\uc9c0 \ubabb\ud558\uba74 \ud328\ud0b7\uc774 \uc190\uc2e4\ub418\uc5c8\uac70\ub098 \uc190\uc0c1\ub418\uc5c8\ub2e4\uace0 \uac00\uc815\ud558\uace0 \uc7ac\uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p>\n

ARQ \uc791\ub3d9 \ubc29\uc2dd: \ub0b4\ubd80 \uba54\ucee4\ub2c8\uc998<\/h2>\n

ARQ\ub294 \ub370\uc774\ud130 \ud1b5\uc2e0 \uacfc\uc815\uc5d0\uc11c \uc1a1\uc2e0\uc790\uc640 \uc218\uc2e0\uc790 \uac04\uc758 \uacac\uc81c\uc640 \uade0\ud615 \uc2dc\uc2a4\ud15c\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4. \uba54\ucee4\ub2c8\uc998\uc5d0\ub294 \uc138 \uac00\uc9c0 \ud544\uc218 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n

    \n
  1. \ub370\uc774\ud130 \uc804\uc1a1:<\/strong> \uc1a1\uc2e0\uc790\ub294 \uccb4\ud06c\uc12c\uacfc \uac19\uc740 \uc81c\uc5b4 \uc2dc\ud000\uc2a4\uc640 \ud568\uaed8 \ub370\uc774\ud130 \ud328\ud0b7\uc744 \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/li>\n
  2. \uc624\ub958 \uac10\uc9c0:<\/strong> \ub370\uc774\ud130 \ud328\ud0b7\uc744 \uc218\uc2e0\ud558\uba74 \uc218\uc2e0\uae30\ub294 \uc81c\uc5b4 \uc2dc\ud000\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\ub958 \uac80\uc0ac\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n
  3. \uc2b9\uc778 \ub610\ub294 \uc7ac\uc804\uc1a1:<\/strong> \uc624\ub958 \ud655\uc778\uc5d0 \ub530\ub77c \uc218\uc2e0\uc790\ub294 ACK \ub610\ub294 NAK\ub97c \ubcf4\ub0c5\ub2c8\ub2e4. NAK\uac00 \ubc1c\uc0dd\ud558\uac70\ub098 \uc81c\ud55c \uc2dc\uac04 \ub0b4\uc5d0 \uc2b9\uc778\uc774 \ubd80\uc871\ud55c \uacbd\uc6b0 \ubcf4\ub0b8 \uc0ac\ub78c\uc740 \ub370\uc774\ud130 \ud328\ud0b7\uc744 \ub2e4\uc2dc \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

    \uc774\ub7ec\ud55c \ub2e8\uacc4 \uac04\uc758 \uc0c1\ud638 \uc791\uc6a9\uc740 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub370\uc774\ud130 \ud328\ud0b7\uc758 \uc131\uacf5\uc801\uc774\uace0 \uc815\ud655\ud55c \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n

    ARQ\uc758 \uc8fc\uc694 \ud2b9\uc9d5<\/h2>\n

    ARQ\uc758 \uc8fc\uc694 \uae30\ub2a5 \uc911 \uc77c\ubd80\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n

      \n
    1. \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1:<\/strong> ARQ\ub294 \uc218\uc2e0\ub41c \ub370\uc774\ud130\uac00 \uc804\uc1a1\ub41c \ub370\uc774\ud130\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc5ec \uc624\ub958 \uc5c6\ub294 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n
    2. \uc624\ub958 \uac10\uc9c0 \ubc0f \uc218\uc815:<\/strong> \uc624\ub958 \uac10\uc9c0 \uba54\ucee4\ub2c8\uc998\uc774 \ub0b4\uc7a5\ub418\uc5b4 \uc788\uace0 \uc7ac\uc804\uc1a1\uc744 \uc694\uccad\ud558\uc5ec \uc624\ub958\ub97c \uc218\uc815\ud558\ub294 \uae30\ub2a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
    3. \ud750\ub984 \uc81c\uc5b4:<\/strong> ARQ\ub294 \uc2b9\uc778 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc81c\uc5b4\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \ud63c\uc7a1\uc744 \uc870\uc808\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

      ARQ \uc720\ud615: \ube44\uad50 \uc5f0\uad6c<\/h2>\n

      ARQ\ub294 Stop-and-Wait ARQ, Go-Back-N ARQ, Selective Repeat ARQ\uc758 \uc138 \uac00\uc9c0 \uc8fc\uc694 \uc720\ud615\uc73c\ub85c \ubd84\ub958\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n
      ARQ\uc758 \uc720\ud615<\/th>\n\uc124\uba85<\/th>\n\uc0ac\uc6a9 \uc0ac\ub840<\/th>\n<\/tr>\n<\/thead>\n
      \uc815\uc9c0 \ud6c4 \ub300\uae30 ARQ<\/td>\n\uc774 \uc720\ud615\uc5d0\uc11c\ub294 \uc1a1\uc2e0\uc790\uac00 \uac01 \ud328\ud0b7\uc744 \ubcf4\ub0b8 \ud6c4 \ub2e4\uc74c \ud328\ud0b7\uc744 \ubcf4\ub0b4\uae30 \uc804\uc5d0 \uc218\uc2e0\uc790\uc758 \uc2b9\uc778\uc744 \uae30\ub2e4\ub9bd\ub2c8\ub2e4.<\/td>\n\ud0c0\uc774\ubc0d\uc774 \ud06c\uac8c \uc911\uc694\ud558\uc9c0 \uc54a\uc740 \ub2e8\uc21c\ud55c \uc18c\uaddc\ubaa8 \uc2dc\uc2a4\ud15c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n
      \uace0\ubc31N ARQ<\/td>\n\uc1a1\uc2e0\uc790\ub294 \uc2b9\uc778\uc744 \uae30\ub2e4\ub9ac\uc9c0 \uc54a\uace0 \uc77c\ub828\uc758 \ud328\ud0b7\uc744 \ubcf4\ub0b4\uc9c0\ub9cc \uc624\ub958\uac00 \uac10\uc9c0\ub418\uba74 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc2b9\uc778\ub41c \ud328\ud0b7\ubd80\ud130 \ub2e4\uc2dc \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/td>\n\uc804\uc1a1 \ub9e4\uccb4\uc758 \uc2e0\ub8b0\uc131\uc774 \ub5a8\uc5b4\uc9c0\ub294 \ud658\uacbd\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n
      \uc120\ud0dd\uc801 \ubc18\ubcf5 ARQ<\/td>\n\uc624\ub958\uac00 \uc788\ub294 \uac83\uc73c\ub85c \uac10\uc9c0\ub41c \ud2b9\uc815 \ud328\ud0b7\ub9cc \uc7ac\uc804\uc1a1\ub429\ub2c8\ub2e4.<\/td>\n\ub300\uc5ed\ud3ed \ud6a8\uc728\uc131\uc774 \uc911\uc694\ud55c \uace0\uc131\ub2a5 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      ARQ \uc801\uc6a9 \ubc0f \uad00\ub828 \ubb38\uc81c \ud574\uacb0<\/h2>\n

      ARQ\ub294 \ubb34\uc120 \ub124\ud2b8\uc6cc\ud06c, \uc704\uc131 \ud1b5\uc2e0\uc744 \ube44\ub86f\ud55c \ub2e4\uc591\ud55c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc740 \ubb3c\ub860 \ucef4\ud4e8\ud130 \ub124\ud2b8\uc6cc\ud0b9\uc758 TCP(\uc804\uc1a1 \uc81c\uc5b4 \ud504\ub85c\ud1a0\ucf5c)\uc640 \uac19\uc740 \uae30\ubcf8 \ub370\uc774\ud130 \uc804\uc1a1 \ud504\ub85c\ud1a0\ucf5c\uc5d0\ub3c4 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

      \uadf8\ub7ec\ub098 ARQ\uc5d0\ub3c4 \uc5b4\ub824\uc6c0\uc774 \uc5c6\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc2b9\uc778\uc744 \uacc4\uc18d \uae30\ub2e4\ub9ac\uba74 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\uac00 \ub290\ub824\uc9c8 \uc218 \uc788\uc73c\uba70, \ud328\ud0b7 \uc7ac\uc804\uc1a1\uc5d0\ub294 \ucd94\uac00 \ub300\uc5ed\ud3ed\uc774 \uc18c\ubaa8\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \uc644\ud654\ud558\uae30 \uc704\ud574 Go-Back-N \ubc0f \uc120\ud0dd\uc801 \ubc18\ubcf5\uacfc \uac19\uc740 \uace0\uae09 ARQ \uc804\ub7b5\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

      \uc720\uc0ac\ud55c \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud55c ARQ \ube44\uad50 \ubd84\uc11d<\/h2>\n

      ARQ\ub294 FEC(Forward Error Correction) \ubc0f HARQ(Hybrid ARQ)\uc640 \uac19\uc740 \ub2e4\ub978 \ub370\uc774\ud130 \uc804\uc1a1 \ubc29\ubc95\uacfc \ube44\uad50\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n\n\n\n\n
      \ud2b9\uc9d5<\/th>\nARQ<\/th>\n\ub3c5\ub9bd \ub2e8\uae30 \uce58\ub8cc\uc18c<\/th>\n\ud558\ud06c<\/th>\n<\/tr>\n<\/thead>\n
      \uc624\ub958 \uac10\uc9c0<\/td>\n\uc608<\/td>\n\uc544\ub2c8\uc694<\/td>\n\uc608<\/td>\n<\/tr>\n
      \uc624\ub958 \uc218\uc815<\/td>\n\uc608, \uc7ac\uc804\uc1a1\uc73c\ub85c<\/td>\n\uc608, \uc7ac\uc804\uc1a1 \uc5c6\uc774<\/td>\n\uc608, \ub450 \uac00\uc9c0 \ubc29\ubc95 \ubaa8\ub450\uc5d0\uc11c \uac00\ub2a5\ud569\ub2c8\ub2e4<\/td>\n<\/tr>\n
      \ub2a5\ub960<\/td>\n\uc624\ub958\uc728\uc774 \ub192\uc744 \ub54c \ub0ae\uc74c<\/td>\n\uc624\ub958\uc728\uc774 \ub0ae\uc744 \ub54c \ub0ae\uc74c<\/td>\n\ub450 \uacbd\uc6b0 \ubaa8\ub450 \ub192\uc74c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      ARQ\uc758 \ubbf8\ub798: \uc2e0\ud765 \uae30\uc220 \uc0b4\ud3b4\ubcf4\uae30<\/h2>\n

      \ubb34\uc120 \ubc0f \uc774\ub3d9 \ud1b5\uc2e0\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c ARQ\uc758 \uc7a0\uc7ac\ub825\ub3c4 \ubc1c\uc804\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud575\uc2ec \ucd08\uc810 \uc601\uc5ed \uc911 \ud558\ub098\ub294 5G \uc774\uc0c1\uacfc \uac19\uc740 \uace0\uc18d, \ub300\uc6a9\ub7c9 \ub370\uc774\ud130 \uc804\uc1a1 \ud658\uacbd\uc5d0\uc11c \uc6d0\ud65c\ud558\uac8c \uc791\ub3d9\ud560 \uc218 \uc788\ub294 \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc778 ARQ \uccb4\uacc4\ub97c \uac1c\ubc1c\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n

      \uc774\ub7ec\ud55c \ub9e5\ub77d\uc5d0\uc11c ARQ\uc640 FEC(Forward Error Correction)\uc758 \uc7a5\uc810\uc744 \uacb0\ud569\ud55c HARQ(Hybrid ARQ)\uc758 \ud5a5\uc0c1\ub41c \ubc84\uc804\uc774 \ubbf8\ub798\uc758 \ubb34\uc120 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc744 \uc704\ud574 \uace0\ub824\ub418\uace0 \uc788\uc73c\uba70 \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc774\uace0 \uac15\ub825\ud55c \ub370\uc774\ud130 \uc804\uc1a1 \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

      \ud504\ub85d\uc2dc \uc11c\ubc84 \uc601\uc5ed\uc758 ARQ<\/h2>\n

      \ud504\ub85d\uc2dc \uc11c\ubc84 \uc138\uacc4\uc5d0\uc11c ARQ\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \ud1b5\uc2e0 \ud504\ub85c\uc138\uc2a4\uc758 \uc911\uac1c\uc790\ub85c\uc11c \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud574 ARQ \uba54\ucee4\ub2c8\uc998\uc744 \ud65c\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n

      \ud2b9\ud788 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\ub294 \ub124\ud2b8\uc6cc\ud06c\ub098 \ud2b8\ub798\ud53d\uc774 \ub9ce\uc740 \ud658\uacbd\uc758 \uacbd\uc6b0 ARQ \uc9c0\uc6d0 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc758 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \ud750\ub984\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uace0, \uc624\ub958\ub97c \uac10\uc9c0\ud558\uace0, \ud544\uc694\uc5d0 \ub530\ub77c \uc7ac\uc804\uc1a1\uc744 \ud2b8\ub9ac\uac70\ud558\uc5ec \ucd5c\uc885 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc6d0\ud65c\ud55c \uac80\uc0c9 \ud658\uacbd\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

      \uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n
        \n
      1. ARQ \u2013 \uc704\ud0a4\ud53c\ub514\uc544<\/a><\/li>\n
      2. ARQ \ud504\ub85c\ud1a0\ucf5c \u2013 \ucef4\ud4e8\ud130 \ub124\ud2b8\uc6cc\ud06c<\/a><\/li>\n
      3. \ubb34\uc120 \ud1b5\uc2e0\uc758 ARQ \u2013 ResearchGate<\/a><\/li>\n<\/ol>\n

        \uc804\ubc18\uc801\uc73c\ub85c ARQ\ub294 \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud558\ub294 \uc911\uc694\ud55c \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc624\ub958\ub97c \uac10\uc9c0\ud558\uace0 \uc218\uc815\ud558\ub294 \ub2a5\ub825\uc740 \ub04a\uc784\uc5c6\uc774 \uc9c4\ud654\ud558\ub294 \ud1b5\uc2e0 \uae30\uc220 \ubd84\uc57c\uc5d0\uc11c \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475909","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Automatic Repeat Request (ARQ): An In-Depth Overview<\/mark>","faq_items":[{"question":"What is the Automatic Repeat Request (ARQ)?","answer":"

        ARQ, also known as Automatic Retransmission Query, is a communication protocol used in computer networking to ensure reliable data transmission. It operates based on error detection, where erroneous data packets are identified and retransmitted to maintain data integrity.<\/p>"},{"question":"When was ARQ first introduced?","answer":"

        ARQ was first applied in the 1960s in the Echo I and Echo II satellite communication systems. Over the years, as computing power and networking protocols evolved, the ARQ mechanism has been continually refined.<\/p>"},{"question":"How does the ARQ mechanism operate?","answer":"

        ARQ operates through a system of checks and balances between the sender and receiver during data communication. It includes three crucial steps: data transmission, error detection, and either acknowledgment or retransmission. This interplay ensures successful and accurate transmission of data packets.<\/p>"},{"question":"What are the key features of ARQ?","answer":"

        The key features of ARQ include reliable data transfer, error detection and correction, and flow control. It ensures that the data received matches the data sent, has an in-built mechanism to request retransmission thus correcting errors, and regulates network congestion by controlling the data transmission rate.<\/p>"},{"question":"What are the different types of ARQ?","answer":"

        ARQ can be classified into three primary types: Stop-and-Wait ARQ, where the sender waits for the receiver's acknowledgment after each packet transmission; Go-Back-N ARQ, where the sender sends a series of packets without waiting for acknowledgment; and Selective Repeat ARQ, where only specific packets detected as erroneous are retransmitted.<\/p>"},{"question":"What are some applications and challenges of ARQ?","answer":"

        ARQ is used in various communication systems including wireless networks, satellite communication, and computer networking protocols like TCP. However, ARQ can slow down the data transmission rate due to the constant wait for acknowledgments and consume extra bandwidth due to packet retransmission. These issues are mitigated by using advanced ARQ strategies like Go-Back-N and Selective Repeat.<\/p>"},{"question":"How does ARQ compare with other similar protocols?","answer":"

        ARQ, along with Forward Error Correction (FEC) and Hybrid ARQ (HARQ), are data transmission methods. While ARQ and HARQ have error detection and correction capabilities, FEC can correct errors without retransmission. However, ARQ is less efficient when the error rate is high, and FEC is less efficient when the error rate is low, while HARQ remains efficient in both cases.<\/p>"},{"question":"What does the future hold for ARQ technology?","answer":"

        As wireless and mobile communication evolve, so does ARQ's potential. The focus is on developing more efficient ARQ schemes for high-speed, high-volume data transfer environments like 5G and beyond. Enhanced versions of Hybrid ARQ (HARQ) are being considered for future wireless communication systems.<\/p>"},{"question":"How are proxy servers associated with ARQ?","answer":"

        In the world of proxy servers, ARQ plays a critical role. As intermediaries in the data communication process, proxy servers often leverage ARQ mechanisms for reliable data transmission. They effectively manage the data flow, detect errors, and trigger retransmissions as necessary, providing a seamless browsing experience to end users.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/475909","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\/475909\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=475909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}