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July 2009 l MICROCOMPUTER 67
‡æ‘Ë¡»—°¬¿“æ∑“ß∏ÿ√°‘®¥å«¬Virtualization & Cloud Computing
Á§¤Å ÍÑÈÇâ¡ÇÔ·¡Ã³� ¼Ù�ÍíҹǡÒý�ÒÂà·¤â¹âÅ¢Ñé¹ÊÙ§ºÃÔÉÑ·«ÔÊâ¡� «ÊàµçÁÊ� (»ÃÐà·Èä·Â) ¨íÒ¡Ñ´
à·¤â¹âÅÂÊÒÃʹà·Èà¢�ÒÁÒÁº·ºÒ·ÊíÒ¤ÑÍÂ�Ò§Áҡ㹡ÒôíÒà¹Ô¹¸ØÃ¡Ô »� ¨ØºÑ¹ áµ�Áà·¤â¹âÅ·è¹�ҨѺµÒÁͧ 2 µÑÇ ¤×Í à·¤â¹âÅ¡ÒèíÒÅͧÃкºËÃ×ÍÃкºàÊÁ×͹¨ÃÔ§ (Virtualization Technolog) áÅСÒÃãË�ºÃÔ¡ÒûÃÐÁÇżÅËÃ×Íá;ÅÔपÑè¹ (Cloud Computing) «è§à»�¹à·¤â¹âÅÂ·è ºÃÔÉÑ· ¡ÒÃ�µà¹ÍÃ� (Gartner)á¹Ð¹íÒãË�ºÃÔÉÑ·µ�Ò§ æ ¤ÇÃãË�¤ÇÒÁʹã¨à¾×è͹íÒÁÒà¾ÔèÁÈÑ¡ÂÀÒ¾·Ò§¸ØáÔ
ÊÔ觷èͧ¤�¡ÃäÁ�¤ÇÃÁͧ¢�ÒÁËÃ×ÍÅÐàÅ ¤×Í¡ÒÃÍ͡Ẻ෤â¹âÅÂVirtualization áÅÐ Cloud Computing ãË�µÍºÊ¹Í§¤ÇÒÁµ�ͧ¡Ò÷ҧ¸ØáÔÃÇÁ·Ñé§ÃÐÁÑ ÃÐÇѧàÃ×èͧ¤ÇÒÁ»ÅÍ´ÀÑ¢ͧ¢�ÍÁÙÅ·è йíÒä»ÇÔ觢�Ò§¹Í¡Í§¤�¡Ãâ´Â੾ÒТ�ÍÁÙÅ·èÁ¤ÇÒÁÊíÒ¤ÑÊíÒËÃѺͧ¤�¡Ã´�ÇÂ
68 MICROCOMPUTER l July 2009
TOP S
TORY
à·¤â¹âÅ¡ÒèíÒÅͧÃкºËÃ×ÍÃкºàÊÁ×͹¨ÃÔ§(VirtualizationTechnolog)
㹪�ǧ 3-4 »�·è¼�Ò¹ÁÒ á¹Ç¤Ô àÃ×èͧVirtualization Technolog ä´�àÃÔèÁ¡�͵ÑÇ¢é¹ �ÇÂà˵ؼÅËÅÑ¡¢Í§¡Ò÷èãª�ÎÒÃ� áÇÃ�ä´�ÍÂ�Ò§äÁ�¤Ø�Á¤�Ò äÁ�àµçÁ»ÃÐÊÔ·¸ÔÀÒ¾äÁ�¤Ø�Á¤�ҡѺàÁç à§Ô¹¨íҹǹÁËÒÈÒÅ㹡ÒÃ¨Ñ «×éÍáÅдÙáÅÃÑ¡ÉÒ §Áá¹Ç¤Ô ·è ÐÊÃ�Ò§ÃкºàÊÁ×͹¨ÃÔ§·íÒãË�à¡Ô´¡ÒÃãª�§Ò¹·ÃѾÂÒ¡Ãä´�¤Ø�Á¤�ÒáÅÐÁ»ÃÐÊÔ·¸ÔÀÒ¾ÁÒ¡ÂÔè§¢é¹ ¹Í¡¨Ò¡¹Ñ鹡ÃÐáÊ¡ÒûÃÐËÂѾÅѧ§Ò¹ ·Ñé§à¾×èÍÅ´¤�Òãª�¨�ÒÂáÅдÙáÅÊÀÒ¾áÇ´Å�ÍÁãË�ÂÑè§Â×¹ ÂѧÁÊ�ǹ㹡ÒüÅÑ¡´Ñ¹ãË�ËÅÒÂͧ¤�¡ÃËѹÁÒãË�¤ÇÒÁʹ㨡Ѻá¹Ç¤Ô´ V i r tua l i za t ionTechnolog ÍÂ�Ò§¨ÃÔ§¨Ñ§¡Ñ¹ÁÒ¡¢é¹
¡Ò÷íÒ Virtualizationáº�§ÍÍ¡à»�¹ 2 Ẻ
1 . â´Â¡ÒÃáº� §Â� Í·ÃѾÂÒ¡Ãâ´Â੾Òк¹ÎÒÃ� áÇÃ�¢¹Ò´ãË�ãË�à»�¹ÍØ »¡Ã³� à ÊÁ× Í¹¢¹Ò´ àÅç ¡ ãË� à ¡Ô ´»ÃÐÊÔ·¸ÔÀÒ¾ÊÙ§ÊØ àª�¹ ¡ÒÃÃÇÁÈÙ¹Â�¡Ò÷íÒ§Ò¹¢Í§Ãкºà«ÔÃ�¿àÇÍÃ� (ServerConsolidation) áÅ�ǹíÒÁÒµÔ µÑ駺¹à¤Ã×èͧàÊÁ×͹ (Virtual Machine) ËÅÒ æ à¤Ã×èͧâ´Âãª�à¤Ã×èͧËÅѡ˹è§à¤Ã×èͧ·èÁÊÁÃö¹Ð¢Í§à¤Ã×èͧÊÙ§ ·íÒãË�»ÃÐËÂÑ µ�¹·Ø¹ã¹á§�¢Í§ÎÒÃ� áÇÃ� Å´¨íҹǹÍØ»¡Ã³�ãË�¹�ÍÂŧãª�¾Åѧ§Ò¹áÅо×é¹·è¹�ÍÂŧ
2. â´Â¡ÒùíÒÍØ»¡Ã³�àÅç¡ æ ÁÒª�Ç¡ѹ·íÒ§Ò¹àÊÁ×͹à»�¹ÎÒÃ�´áÇÃ�ãË�µÑÇ˹è§àª�¹ ¡Ò÷íÒ¡ÃÔ´ ¤ÍÁ¾ÔǵÔé§ (GridComput ing) ËÃ×Í¡Ò÷íÒ H ighperformance Computing à¤Ã×èͧ¤ÍÁ¾ÔÇàµÍÃ�ª�Ç¡ѹ»ÃÐÁÇżŢͧÅѡɳЧҹ·èµ�ͧ¡ÒÃÈѡ¾ÀҾ㹡ÒûÃÐÁÇżÅÊÙ§ÁÒ¡ æ Ã�¹ÃÐÂÐàÇÅÒ㹡Ò÷íÒ§Ò¹ãË�¹�ÍÂŧ
¡Ò÷íÒ VirtualizationÊÒÁÒö·íÒä´�ã¹ 3 Ê�ǹËÅÑ¡¤×Í
1. Server V i r tua l i za t ion1 . Server V i r tua l i za t ion1 . Server V i r tua l i za t ion1 . Server V i r tua l i za t ion1 . Server V i r tua l i za t ionà«ÔÃ�¿àÇÍÃ� àÇÍÃ�ªÇÅäÅ૪Ñè¹à«ÔÃ�¿àÇÍÃ� àÇÍÃ�ªÇÅäÅ૪Ñè¹à«ÔÃ�¿àÇÍÃ� àÇÍÃ�ªÇÅäÅ૪Ñè¹à«ÔÃ�¿àÇÍÃ� àÇÍÃ�ªÇÅäÅ૪Ñè¹à«ÔÃ�¿àÇÍÃ� àÇÍÃ�ªÇÅäÅ૪Ñè¹ à»�¹¡ÒÃÊÃ�Ò§à«ÔÃ�¿àÇÍÃ�àÊÁ×͹¢é¹ÁÒ à¾×èÍãË�à¡Ô´¡ÒÃãª�·ÃѾÂҡ÷ҧ¡ÒäíҹdzÊÙ§ÊØ
2 . Storage V i r tua l i za t ion2 . Storage V i r tua l i za t ion2 . Storage V i r tua l i za t ion2 . Storage V i r tua l i za t ion2 . Storage V i r tua l i za t ionʵÍàè àÇÍÃ�ªÇÅäÅ૪Ñè¹ÊµÍàè àÇÍÃ�ªÇÅäÅ૪Ñè¹ÊµÍàè àÇÍÃ�ªÇÅäÅ૪Ñè¹ÊµÍàè àÇÍÃ�ªÇÅäÅ૪Ñè¹ÊµÍàè àÇÍÃ�ªÇÅäÅ૪Ñè¹ à»�¹¡ÒèѴÊÃÃÊ�ǹà¡çº¢�ÍÁÙÅà»�¹Ê�ǹÂ�Í æËÅÒÂÊ�ǹ·íÒãË�ãª�§Ò¹ä´�¤Ø�Á¤�ÒÁÒ¡ÂÔ觢é¹àª�¹ã¹¡Ã³¢Í§ºÃÔÉÑ·«ÔÊâ¡� ·íÒ¡ÒÃÃÇÁʵÍàè (conso l idate) áÅ�Ç·íÒVirtualization «è§ÊÒÁÒö»ÃÐËÂÑ ÃÒ¨�ÒÂä´�¡ÒÃŧ·Ø¹´�Ò¹ÎÒÃ�´áÇÃ�ÁÒ¡¶§»�ÅÐËÅÒÂÊÔºÅ�Ò¹àËÃÂÊËÃÑ°
3. Network Virtualization à¹çµ3. Network Virtualization à¹çµ3. Network Virtualization à¹çµ3. Network Virtualization à¹çµ3. Network Virtualization à¹çµàÇÔÃ�¤ àÇÍÃ�ªÇÅäÅ૪Ñè¹àÇÔÃ�¤ àÇÍÃ�ªÇÅäÅ૪Ñè¹àÇÔÃ�¤ àÇÍÃ�ªÇÅäÅ૪Ñè¹àÇÔÃ�¤ àÇÍÃ�ªÇÅäÅ૪Ñè¹àÇÔÃ�¤ àÇÍÃ�ªÇÅäÅ૪Ñè¹ ·íÒ¡ÒÃáº�§á¡Ãкº LAN ÍÍ¡à»�¹ËÅÒÂÃкºá¡¨Ò¡¡Ñ¹â´Âà´ç ¢Ò´ à¾ÔèÁ¤ÇÒÁ»ÅÍ´ÀÑÂãË�¡ÑºÃкºáÅСÒÃÊ�§¢�ÍÁÙÅäÁ�ú¡Ç¹¡Ñ¹
¡ÒÃãË�ºÃÔ¡ÒûÃÐÁÇżÅẺ¤ÅÒÇ´� (CLOUD COMPUTING)
ã ¹ ¢³Ð·è á ¹ Ç â ¹� Á ¡ Ò Ã ã ª� § Ò ¹ÍÔ¹à·ÍÃ�à¹çµà¾ÔèÁÊÙ§¢é¹ÍÂ�Ò§ÃÇ´àÃçÇã¹»�¨¨ØºÑ¹ ÃÇÁ·Ñé§à¹×éÍËÒËÃ×Í¢�ÍÁÙź¹
àÇçºä«µ�Á¡ÒÃà»Åè¹á»Å§ÍÂÙ�µÅÍ´àÇÅÒÁ¼Ù�ãª�§Ò¹ÁÒ¡ÁÒ áÅÐÊÒÁÒöà¢�Ò¶§ä´�â´Â§�Ò »ÃСͺ¡Ñº¡ÒÃà»Åè¹á»Å§·Ò§à·¤â¹âÅÂÊÒÃʹà·È·è¾Ñ²¹Òä»ÍÂ�Ò§äÁ�ËÂØ´ÂÑé§ Ê�§¼ÅãË�à¡Ô´á¹Ç¤Ô´àÃ×èͧ¡ÒÃãË�ºÃÔ¡ÒáÒûÃÐÁÇżź¹ÍÔ¹à·ÍÃ�à¹çµ(Cloud Comput ing ËÃ×ͤÅÒÇ´�¤ÍÁ¾ÔǵÔé§) «è§à»�¹¹Çѵ¡ÃÃÁ·Ò§´�Ò¹´Òµ�Òà«ç¹àµÍÃ�ÃٻẺãËÁ�áË�§Í¹Ò¤µà¡Ô´¨Ò¡á¹Ç¤Ô´¡ÒÃãË�ºÃÔ¡ÒÃâ´Âãª�»ÃÐ⪹�¨Ò¡â¤Ã§ÊÃ�Ò§¾×é¹°Ò¹äÍ··è·íÒ§Ò¹àª×èÍÁ⧡ѹ â´ÂÁà«ÔÃ�¿àÇÍÃ�ÁÒ¡ÁÒ·íÒ§Ò¹ÊÍ´»ÃÐÊÒ¹à»�¹Ë¹è§à´Âǡѹ à¾×èÍãË�ºÃÔ¡ÒÃá;¾ÅÔपÑè¹µ�Ò§ æÁ¢�Í´¤×ÍÅ´¤ÇÒÁ«Ñº«�͹ÂØ�§ÂÒ¡¢Í§¼Ù�µ�ͧ¡ÒÃãª�ºÃÔ¡Òà ͡·Ñé§Âѧª�Ç»ÃÐËÂѾÅѧ§Ò¹áÅÐÅ´¤�Òãª� �Ò à¾ÃÒФÅÒÇ´�¤ÍÁ¾ÔǵÔé§ ·íÒ§Ò¹¼�ҹ෤â¹âÅÂàÊÁ×͹(Virtualization) Ãкº¨§äÁ�ä´�¶Ù¡¨íÒ¡Ñ´ã¹àÃ×è ͧ¢Í§ÊÁÃö¹ÐáÅТ´¤ÇÒÁÊÒÁÒö¢Í§¡ÒÃãª�Ãкº»ÃÐÁÇżŨҡÃкºµ�Ò§ æ µÑÇÍÂ�Ò§¼ÅÔµÀѳ±� àª�¹WebE à»�¹ website ·èãË�ºÃÔ¡ÒáÒûÃÐªØ Á¼� Ò¹ÍÔ ¹ à·ÍÃ� à¹ç µ WebConferencing, Online Meetings¼Ù�ãª�§Ò¹ÍÒ¨ÍÂÙ�ã¹Ë�ͧà´Âǡѹ ËÃ×ÍË�Ò§ä¡Å¡Ñ¹¤¹ÅЫ¡âÅ¡¡çä´�
July 2009 l MICROCOMPUTER 69
TOP S
TORY
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1. Private Cloud Computing1. Private Cloud Computing1. Private Cloud Computing1. Private Cloud Computing1. Private Cloud Computingà»�¹¡ÒÃãª�§Ò¹ÀÒÂã¹Í§¤�¡Ã â´Âà»�¹¡ÒÃãª�ÊÁÃö¹Ð¢Í§´Òµ�Òà«ç¹àµÍÃ�ÀÒÂã¹Í§¤�¡Ã¹Ñé¹ æ
2. Public Cloud Computing2. Public Cloud Computing2. Public Cloud Computing2. Public Cloud Computing2. Public Cloud Computingà»�¹ÃٻẺ·èÁ¼Ù�ãË�ºÃÔ¡ÒÃÊÒ¸ÒóШѴÊÃáÒÃãË�ºÃÔ¡ÒáÒÃà¢�Ò¶§¢�ÍÁÙÅÃٻẺµ�Ò§ æ ¼�Ò¹·Ò§ÍÔ¹à·ÍÃ�à¹çµà»�¹Ê�ǹÁÒ¡ â´Â¼Ù�ãª�ºÃÔ¡ÒÃäÁ�¨íÒà»�¹µ�ͧÃѺ·ÃÒºÇ�ÒÁà«ÔÃ�¿àÇÍÃ�µÔ µÑé§ÍÂÙ�·èä˹áÅÐÁÒ¡à·�Ò㴠ʹã¨à¾Â§áµ�ºÃÔ¡Ò÷èä´�ÃѺà·�Ò¹Ñé¹
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µÑÇÍÂ�Ò§¡ÒùíÒà·¤â¹âÅÂÁÒãª�§Ò¹¢Í§ ºÃÔÉÑ· «ÔÊâ¡� «ÊàµçÁÊ�ÍÔ駤� ¨Ò¡à´ÔÁãª�§Ò¹Ãкº¨Ñ à¡çº¢�ÍÁÙÅ (ʵÍàè) ÀÒÂ㹺ÃÔÉÑ·Ï ÁÍѵÃÒ¡ÒÃàµÔºâµ»ÃÐÁÒ³ 50·Ø¡»� àÁ×èÍÁ¡Ò÷íÒʵÍàè àÇÍÃ�ªÇÅ-
äÅ૪Ñè¹ (Storage virtualization) ·íÒãË�Å´ÃÒ¨�ÒÂ㹡ÒÃãª�§Ò¹Ãкº¨Ñ´à¡çº¢�ÍÁÙÅ ä´�ÁÒ¡ ¨Ò¡ 21 à«ç¹µ� µ�Í1 àÁ¡Ð亵� àËÅ×Íà¾Â§ 1 à«ç¹µ�µ�Í1 àÁ¡Ð亵� ã¹àÇÅÒ 6 »� ÍѵÃÒ¡ÒÃãª�§Ò¹(Utilize Rate) à¾ÔèÁ¨Ò¡ 20 à»�¹ 68·íÒãË�»ÃÐËÂÑ ÃÒ¨�ÒÂä´� 71 Å�Ò¹àËÃÂÊËÃÑ°Ï ã¹àÇÅÒ 4 »� Ê�ǹ¡ÒùíÒ CloudComputing ÁÒãª�ÊÒÁÒö»ÃÐËÂÑ´àÁç à§Ô¹ä´� 19 Å�Ò¹àËÃÂÊËÃÑ°Ï áÅÐÅ´àÇÅÒ㹡ÒùíÒá;¾ÅÔपÑè¹ãËÁ�ÁÒãª�¨Ò¡à´ÔÁãª�àÇÅÒ 8-10 ÊÑ»´ÒË� »� ¨ØºÑ¹ãª�àÇÅÒà¾Â§äÁ�¡èÇѹ
ËÅÒÂͧ¤� ¡ ÃÍÒ¨»ÃÐ àÁÔ ¹áÅÐàÅç§àËç¹»ÃÐ⪹�ÁÒ¡ÁÒ¨ҡ¡Ò÷íÒVirtualization áÅÐ Cloud Computing¹Í¡¨Ò¡àÃ×èͧ¡ÒûÃÐËÂÑ´à§Ô¹áÅ�Ç ÂѧÊÒÁÒöãª�§Ò¹à·¤â¹âÅÂÊÒÃʹà·È·èÁÍÂÙ� ä´�ÍÂ�Ò§¤Ø�Á¤�ÒáÅÐàµçÁ»ÃÐÊÔ·¸ÔÀÒ¾»ÃÐËÂÑ´¾×é¹·è ¤�Òä¿¿�ÒáÅСÒúíÒÃاÃÑ¡ÉÒ ¡ÒúÃÔËÒÃ¨Ñ ¡Òà ¤ÇÒÁ¤Å�ͧµÑÇ¡ÒÃµÔ µÑé§Ãкº»¯ÔºÑµÔ¡ÒÃáÅÐá;¾ÅÔपÑè¹ãËÁ� æ ¡Ò÷íÒ Backup áÅÐ Recover
ÊÒÁÒö·íÒ§Ò¹ä´�ÍÂ�Ò§ÃÇ´àÃçÇ¢é¹ ÀÒÂãµ�Virtual Machine à´Âǡѹ ÂѧäÁ�ÃÇÁ¶§ÃкºÃÑ¡ÉÒ¤ÇÒÁ»ÅÍ´ÀÑ à¾ÃÒÐÊÒÁÒö¡íÒ˹´ÃдѺ¤ÇÒÁ»ÅÍ´ÀÑÂãË�áµ�ÅÐÃкºàÊÁ×͹ãË�Á¤ÇÒÁᵡµ�Ò§¡Ñ¹ä´�áÅÐÁ ÃкºÃÑ¡ÉÒ¤ÇÒÁ»ÅÍ´ÀÑÂ·è ´ ¢é ¹·èÊíÒ¤ÑÁ¤ÇÒÁ¤Å�ͧµÑÇ·è¨ÐµÍºÊ¹Í§¤ÇÒÁµ�ͧ¡Ò÷ҧ¸ØÃ¡Ô ·èÁ¡ÒÃà»Åè¹á»Å§ÍÂ�Ò§ÃÇ´àÃçÇÍÂÙ�µÅÍ´àÇÅÒ
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