{"id":476519,"date":"2023-08-09T07:29:55","date_gmt":"2023-08-09T07:29:55","guid":{"rendered":""},"modified":"2023-09-05T11:12:54","modified_gmt":"2023-09-05T11:12:54","slug":"customer-edge-router","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/customer-edge-router\/","title":{"rendered":"B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean kh\u00e1ch h\u00e0ng (CER) \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao k\u1ebft n\u1ed1i v\u00e0 hi\u1ec7u qu\u1ea3 m\u1ea1ng cho c\u00e1c doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy. Ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t giao di\u1ec7n gi\u1eefa m\u1ea1ng c\u1ee5c b\u1ed9 (LAN) c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 internet, CER \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ed5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng, qu\u1ea3n l\u00fd lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i \u0111i s\u00e2u v\u00e0o l\u1ecbch s\u1eed, c\u1ea5u tr\u00fac b\u00ean trong, c\u00e1c t\u00ednh n\u0103ng ch\u00ednh, lo\u1ea1i, \u1ee9ng d\u1ee5ng v\u00e0 tri\u1ec3n v\u1ecdng trong t\u01b0\u01a1ng lai c\u1ee7a B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean kh\u00e1ch h\u00e0ng.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c c\u1ee7a B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng<\/h2>\n<p>Kh\u00e1i ni\u1ec7m B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng xu\u1ea5t hi\u1ec7n c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u00e1y ch\u1ee7 proxy v\u00e0 nhu c\u1ea7u qu\u1ea3n l\u00fd v\u00e0 \u0111\u1ecbnh tuy\u1ebfn d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn CER c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1990 khi Internet b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i. Khi c\u00e1c doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n t\u00ecm c\u00e1ch k\u1ebft n\u1ed1i m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a h\u1ecd v\u1edbi internet, nhu c\u1ea7u v\u1ec1 m\u1ed9t thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i n\u00e0y tr\u1edf n\u00ean r\u00f5 r\u00e0ng.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng<\/h2>\n<p>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf r\u00eca m\u1ea1ng c\u1ee7a kh\u00e1ch h\u00e0ng, k\u1ebft n\u1ed1i m\u1ea1ng LAN v\u1edbi internet ho\u1eb7c m\u1ea1ng di\u1ec7n r\u1ed9ng (WAN). Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 thi\u1ebft l\u1eadp trao \u0111\u1ed5i d\u1eef li\u1ec7u an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 gi\u1eefa m\u1ea1ng c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 m\u1ea1ng b\u00ean ngo\u00e0i. \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n ti\u1ebfp g\u00f3i, d\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT), qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS) v\u00e0 thi\u1ebft l\u1eadp m\u1ea1ng ri\u00eang \u1ea3o (VPN) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>M\u00f4-\u0111un giao di\u1ec7n:<\/strong> C\u00e1c m\u00f4-\u0111un n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m v\u00e0o v\u00e0 ra \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u. Ch\u00fang c\u00f3 th\u1ec3 bao g\u1ed3m Ethernet, DSL, c\u00e1p quang ho\u1eb7c c\u00e1c lo\u1ea1i giao di\u1ec7n kh\u00e1c.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00f4ng c\u1ee5 \u0111\u1ecbnh tuy\u1ebfn:<\/strong> C\u00f4ng c\u1ee5 \u0111\u1ecbnh tuy\u1ebfn ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng d\u1eabn t\u1ed1t nh\u1ea5t \u0111\u1ec3 c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u00edch. N\u00f3 s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn nh\u01b0 BGP, OSPF ho\u1eb7c RIP \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00f4ng c\u1ee5 chuy\u1ec3n ti\u1ebfp:<\/strong> C\u00f4ng c\u1ee5 chuy\u1ec3n ti\u1ebfp x\u1eed l\u00fd vi\u1ec7c chuy\u1ec3n ti\u1ebfp g\u00f3i th\u1ef1c t\u1ebf d\u1ef1a tr\u00ean c\u00e1c quy\u1ebft \u0111\u1ecbnh \u0111\u1ecbnh tuy\u1ebfn do c\u00f4ng c\u1ee5 \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0a ra.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00ednh n\u0103ng b\u1ea3o m\u1eadt:<\/strong> CER th\u01b0\u1eddng bao g\u1ed3m kh\u1ea3 n\u0103ng t\u01b0\u1eddng l\u1eeda, h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n\/ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp (IDS\/IPS) v\u00e0 h\u1ed7 tr\u1ee3 VPN \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean kh\u00e1ch h\u00e0ng<\/h2>\n<p>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng t\u1ef1 h\u00e0o c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong m\u1ea1ng hi\u1ec7n \u0111\u1ea1i:<\/p>\n<ol>\n<li>\n<p><strong>Ph\u00e2n \u0111o\u1ea1n m\u1ea1ng:<\/strong> CER cho ph\u00e9p ph\u00e2n \u0111o\u1ea1n m\u1ea1ng, cho ph\u00e9p doanh nghi\u1ec7p t\u00e1ch c\u00e1c ph\u00f2ng ban ho\u1eb7c nh\u00f3m ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean.<\/p>\n<\/li>\n<li>\n<p><strong>\u01afu ti\u00ean giao th\u00f4ng:<\/strong> V\u1edbi kh\u1ea3 n\u0103ng QoS, CER c\u00f3 th\u1ec3 \u01b0u ti\u00ean c\u00e1c lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng c\u1ee5 th\u1ec3, \u0111\u1ea3m b\u1ea3o c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng nh\u1eadn \u0111\u01b0\u1ee3c b\u0103ng th\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 cho d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m v\u1edbi th\u1eddi gian.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i:<\/strong> CER c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng tr\u00ean nhi\u1ec1u k\u1ebft n\u1ed1i internet, t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ea1ng d\u1ef1 ph\u00f2ng.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT):<\/strong> CER s\u1eed d\u1ee5ng NAT \u0111\u1ec3 \u00e1nh x\u1ea1 c\u00e1c \u0111\u1ecba ch\u1ec9 IP ri\u00eang t\u01b0 t\u1eeb m\u1ea1ng LAN sang m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng duy nh\u1ea5t, cung c\u1ea5p m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt v\u00e0 b\u1ea3o to\u00e0n kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 IP.<\/p>\n<\/li>\n<li>\n<p><strong>H\u1ed7 tr\u1ee3 VPN:<\/strong> CER c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i VPN an to\u00e0n, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1eeb xa truy c\u1eadp m\u1ea1ng n\u1ed9i b\u1ed9 m\u1ed9t c\u00e1ch an to\u00e0n qua internet.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng<\/h2>\n<p>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng c\u00f3 nhi\u1ec1u lo\u1ea1i v\u00e0 c\u1ea5u h\u00ecnh kh\u00e1c nhau \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c y\u00eau c\u1ea7u m\u1ea1ng kh\u00e1c nhau. B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft m\u1ed9t s\u1ed1 lo\u1ea1i CER ph\u1ed5 bi\u1ebfn:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u1ecbch v\u1ee5 t\u00edch h\u1ee3p<\/td>\n<td>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn t\u1ea5t c\u1ea3 trong m\u1ed9t k\u1ebft h\u1ee3p c\u00e1c t\u00ednh n\u0103ng \u0111\u1ecbnh tuy\u1ebfn, chuy\u1ec3n m\u1ea1ch, b\u1ea3o m\u1eadt v\u00e0 QoS trong m\u1ed9t thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n<tr>\n<td>CPE \u1ea3o<\/td>\n<td>CER d\u1ef1a tr\u00ean ph\u1ea7n m\u1ec1m ch\u1ea1y tr\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u1ea3o h\u00f3a, mang l\u1ea1i kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u00ednh linh ho\u1ea1t.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn chi nh\u00e1nh<\/td>\n<td>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c v\u0103n ph\u00f2ng v\u1eeba v\u00e0 nh\u1ecf, cung c\u1ea5p k\u1ebft n\u1ed1i an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u00e1c chi nh\u00e1nh.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111a d\u1ecbch v\u1ee5<\/td>\n<td>Cung c\u1ea5p h\u1ed7 tr\u1ee3 cho nhi\u1ec1u d\u1ecbch v\u1ee5 nh\u01b0 d\u1eef li\u1ec7u, tho\u1ea1i v\u00e0 video, l\u00fd t\u01b0\u1edfng cho c\u00e1c doanh nghi\u1ec7p l\u1edbn.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan<\/h2>\n<p>T\u00ednh linh ho\u1ea1t c\u1ee7a B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng cho ph\u00e9p ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau:<\/p>\n<ol>\n<li>\n<p><strong>M\u1ea1ng gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p nh\u1ecf:<\/strong> CER th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u01a1 s\u1edf kinh doanh t\u1ea1i nh\u00e0 v\u00e0 doanh nghi\u1ec7p nh\u1ecf \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb c\u1ee5c b\u1ed9 v\u1edbi Internet m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n<\/li>\n<li>\n<p><strong>K\u1ebft n\u1ed1i v\u0103n ph\u00f2ng chi nh\u00e1nh:<\/strong> Trong c\u00e1c t\u1ed5 ch\u1ee9c l\u1edbn h\u01a1n, CER k\u1ebft n\u1ed1i c\u00e1c v\u0103n ph\u00f2ng chi nh\u00e1nh v\u1edbi m\u1ea1ng ch\u00ednh, \u0111\u1ea3m b\u1ea3o lu\u1ed3ng d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch.<\/p>\n<\/li>\n<li>\n<p><strong>Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP):<\/strong> ISP s\u1eed d\u1ee5ng CER \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a kh\u00e1ch h\u00e0ng gi\u1eefa m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a h\u1ecd v\u00e0 m\u1ea1ng internet r\u1ed9ng h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n<p>Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng CER c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p nh\u1eefng th\u00e1ch th\u1ee9c, bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a c\u1ea5u h\u00ecnh:<\/strong> Vi\u1ec7c thi\u1ebft l\u1eadp v\u00e0 \u0111\u1ecbnh c\u1ea5u h\u00ecnh CER c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng r\u00e0nh v\u1ec1 k\u1ef9 thu\u1eadt.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ed1i quan t\u00e2m v\u1ec1 an ninh:<\/strong> CER \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb vi ph\u1ea1m an ninh, \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110i\u1ec3m ngh\u1ebdn hi\u1ec7u su\u1ea5t:<\/strong> Kh\u1ea3 n\u0103ng ph\u1ea7n c\u1ee9ng kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 t\u1eafc ngh\u1ebdn m\u1ea1ng.<\/p>\n<\/li>\n<\/ul>\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng, c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean v\u00e0 b\u1ea3o tr\u00ec th\u00edch h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u1ea1nh kh\u00e1ch h\u00e0ng<\/td>\n<td>Ranh gi\u1edbi gi\u1eefa m\u1ea1ng LAN c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5, n\u01a1i th\u01b0\u1eddng \u0111\u1eb7t c\u00e1c CER.<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea1nh nh\u00e0 cung c\u1ea5p<\/td>\n<td>Ranh gi\u1edbi gi\u1eefa m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 m\u1ea1ng internet r\u1ed9ng h\u01a1n, n\u01a1i B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a nh\u00e0 cung c\u1ea5p ho\u1ea1t \u0111\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebft b\u1ecb t\u1ea1i c\u01a1 s\u1edf kh\u00e1ch h\u00e0ng (CPE)<\/td>\n<td>Thu\u1eadt ng\u1eef chung cho c\u00e1c thi\u1ebft b\u1ecb \u0111\u1eb7t t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m c\u1ee7a kh\u00e1ch h\u00e0ng, bao g\u1ed3m c\u1ea3 CER.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai cho B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng c\u00f3 v\u1ebb \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u1edbi m\u1ed9t s\u1ed1 ti\u1ebfn b\u1ed9 s\u1eafp t\u1edbi:<\/p>\n<ol>\n<li>\n<p><strong>M\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN):<\/strong> C\u00f4ng ngh\u1ec7 SDN c\u00f3 th\u1ec3 c\u00e1ch m\u1ea1ng h\u00f3a CER b\u1eb1ng c\u00e1ch t\u00e1ch m\u1eb7t ph\u1eb3ng \u0111i\u1ec1u khi\u1ec3n kh\u1ecfi m\u1eb7t ph\u1eb3ng chuy\u1ec3n ti\u1ebfp, d\u1eabn \u0111\u1ebfn c\u00e1c m\u1ea1ng c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh v\u00e0 linh ho\u1ea1t h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00edch h\u1ee3p 5G:<\/strong> V\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a m\u1ea1ng 5G, CER c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c kh\u1ea3 n\u0103ng c\u1ee7a 5G \u0111\u1ec3 cung c\u1ea5p k\u1ebft n\u1ed1i nhanh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>AI v\u00e0 T\u1ef1 \u0111\u1ed9ng h\u00f3a:<\/strong> T\u1ef1 \u0111\u1ed9ng h\u00f3a d\u1ef1a tr\u00ean AI c\u00f3 th\u1ec3 h\u1ee3p l\u00fd h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 c\u1ea5u h\u00ecnh CER, gi\u1ea3m nguy c\u01a1 l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch m\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy v\u00e0 B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng b\u1ed5 sung cho nhau v\u1ec1 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng:<\/p>\n<ol>\n<li>\n<p><strong>B\u1ea3o m\u1eadt n\u00e2ng cao:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung b\u1eb1ng c\u00e1ch l\u1ecdc v\u00e0 l\u01b0u tr\u1eef l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp internet tr\u01b0\u1edbc khi \u0111\u1ea1t CER.<\/p>\n<\/li>\n<li>\n<p><strong>\u1ea8n danh v\u00e0 quy\u1ec1n ri\u00eang t\u01b0:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 cung c\u1ea5p t\u00ednh \u1ea9n danh cho ng\u01b0\u1eddi d\u00f9ng b\u1eb1ng c\u00e1ch che gi\u1ea5u \u0111\u1ecba ch\u1ec9 IP c\u1ee7a h\u1ecd tr\u01b0\u1edbc khi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn CER.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i:<\/strong> CER c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng tr\u00ean nhi\u1ec1u proxy, t\u1ed1i \u01b0u h\u00f3a c\u00e2n b\u1eb1ng t\u1ea3i.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/ios-nx-os-software\/ios-xr-software\/213557-understanding-customer-edge-and-provider-edge.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco: T\u00ecm hi\u1ec3u v\u1ec1 kh\u00eda c\u1ea1nh kh\u00e1ch h\u00e0ng v\u00e0 kh\u00eda c\u1ea1nh nh\u00e0 cung c\u1ea5p<\/a><\/li>\n<li><a href=\"https:\/\/www.juniper.net\/documentation\/en_US\/day-one-books\/day-one-routing-fundamentals\/cust-edge-router.pdf\" target=\"_new\" rel=\"noopener nofollow\">Juniper Networks: T\u00ecm hi\u1ec3u B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng<\/a><\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean c\u1ee7a kh\u00e1ch h\u00e0ng l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng quan tr\u1ecdng t\u1ea1o \u0111i\u1ec1u ki\u1ec7n k\u1ebft n\u1ed1i li\u1ec1n m\u1ea1ch gi\u1eefa m\u1ea1ng kh\u00e1ch h\u00e0ng v\u00e0 m\u1ea1ng b\u00ean ngo\u00e0i. T\u00ednh linh ho\u1ea1t, t\u00ednh n\u0103ng b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p v\u1edbi m\u00e1y ch\u1ee7 proxy khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i c\u00e1c gi\u1ea3i ph\u00e1p B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn bi\u00ean kh\u00e1ch h\u00e0ng tinh vi v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n n\u1eefa \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a m\u1ed9t th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i.<\/p>","protected":false},"featured_media":476520,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476519","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Customer Edge Router: Enhancing Proxy Server Connectivity<\/mark>","faq_items":[{"question":"What is a Customer Edge Router (CER)?","answer":"<p>A Customer Edge Router (CER) is a networking device located at the edge of a customer's network, serving as a gateway to connect the customer's LAN to the internet or a wide area network (WAN). It facilitates secure and efficient data exchange between the internal network and the external network, enabling seamless communication.<\/p>"},{"question":"How did Customer Edge Router (CER) originate?","answer":"<p>The concept of Customer Edge Router emerged in the early 1990s alongside the widespread adoption of the internet. As businesses and individuals sought to connect their networks to the internet, the need for a dedicated device to manage data flow and routing became evident, leading to the development of CERs.<\/p>"},{"question":"What are the key features of Customer Edge Router (CER)?","answer":"<p>Customer Edge Routers boast several key features that enhance network connectivity. These include network segmentation, traffic prioritization, load balancing, network address translation (NAT), and VPN support. These features ensure efficient data management, security, and privacy.<\/p>"},{"question":"How does a Customer Edge Router (CER) work internally?","answer":"<p>Internally, a Customer Edge Router comprises interface modules, a routing engine, a forwarding engine, and security features. Interface modules act as entry and exit points for data transmission, the routing engine determines the best path for data packets, the forwarding engine handles packet forwarding, and security features provide firewall, IDS\/IPS, and VPN support.<\/p>"},{"question":"What types of Customer Edge Router (CER) are available?","answer":"<p>There are several types of Customer Edge Routers catering to different networking requirements. Some common types include Integrated Services Routers, Virtual CPEs, Branch Routers, and Multiservice Routers. Each type offers unique capabilities suited for specific scenarios.<\/p>"},{"question":"How can Customer Edge Router (CER) be used?","answer":"<p>Customer Edge Routers find application in various scenarios, such as home and small business networking, connecting branch offices to the main network in larger organizations, and facilitating internet service providers (ISPs) in managing customer traffic. They provide secure and reliable connections.<\/p>"},{"question":"What are the challenges related to Customer Edge Router (CER) use?","answer":"<p>Though beneficial, using CERs may pose challenges, including configuration complexity, security concerns if not properly set up, and potential performance bottlenecks with inadequate hardware capabilities. Addressing these challenges requires careful planning and regular maintenance.<\/p>"},{"question":"What is the future of Customer Edge Router (CER)?","answer":"<p>The future of Customer Edge Routers is promising, with technologies like Software-Defined Networking (SDN) integration, 5G support, and AI-driven automation on the horizon. These advancements will bring increased flexibility, faster connections, and streamlined management.<\/p>"},{"question":"How do proxy servers relate to Customer Edge Router (CER)?","answer":"<p>Proxy servers and Customer Edge Routers complement each other in network infrastructure. Proxy servers enhance security by filtering and caching traffic before reaching the CER. They provide anonymity and load balancing support, working together to optimize data flow and ensure a secure browsing experience.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476519\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476520"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}