Introduction to Microsoft .NET Technology ¸¶ÀÌÅ©·Î ¼ÒÇÁÆ® ¼Ò°³. NET ±â¼ú


By ¿¡ ÀÇÇØ Ratko Carevic Ratko Carevic
In 2000, Microsoft announced its .NET software environment, a new addition to Windows. 2000 ³â, MS´Â ÀÚ»çÀÇ. NETÀÇ ¼ÒÇÁÆ®¿þ¾î ȯ°æ, À©µµ¿ì¿¡ »õ·Î¿î Ãß°¡ÇÑ´Ù°í ¹ßÇ¥Çß´Ù. The .NET (dot net) environment is effectively a virtual computer that runs on a real computer, with the advantage that any program written for it will run on any computer which is running .NET. °¡. NETÀÇ () ȯ°æ¿¡¼­ net Á¡ÀÌ ÀåÁ¡À» È¿°úÀûÀ¸·Î °¡»ó ÄÄÇ»ÅÍ´Â ±× ¾î¶² ÇÁ·Î±×·¥ÀÌ ½ÇÇàµÇ°íÀÖ´Â ¸ðµç ÄÄÇ»ÅÍ¿¡¼­ ½ÇÇàµË´Ï´Ù À§ÇØ ¾²¿©Á³´Ù. NETÀ» ÇÔ²² ½ÇÁ¦ ÄÄÇ»ÅÍ¿¡¼­ ½ÇÇàµË´Ï´Ù. One important aspect of the .NET strategy is its independence from a specific language or platform. . NET¿¡¼­ Àü·«ÀÇ Áß¿äÇÑ ºÎºÐ Áß Çϳª´Â ƯÁ¤ ¾ð¾î ¶Ç´Â Ç÷§Æû¿¡¼­ ÀÚ»çÀÇ µ¶¸³ÀÌ´Ù. Developers can create a .NET application in any .NET - compatible language and participate in the same software project writing code in the .NET languages in which they are most competent (such as Visual C++.NET, Visual Basic .NET, C#, Perl and others). °³¹ßÀÚ´Â ¾î¶²¿¡¼­. NET ÀÀ¿ë ÇÁ·Î±×·¥À» ¸¸µé ¼öÀÖ½À´Ï´Ù. NET¿¡¼­ - ȣȯ ¾ð¾î¿Í °°Àº ¼ÒÇÁÆ®¿þ¾î ÇÁ·ÎÁ§Æ®ÀÇ. NET ¾ð¾î·Î ÄÚµå ÀÛ¼º¿¡ Âü¿©ÇÏ´Â À̵éÀº ´ëºÎºÐÀÇ Visual C (µî°ú °°Àº À¯´ÉÇÑ + +. NET¿¡¼­ Visual BasicÀ»°¡. NET, C #À», ÆÞ ±×¸®°í ³ª¸ÓÁö). Part of the .NET software environment includes Active Server Pages (ASP) .NET technology, which allows developers to develop applications for the Web. . NET¿¡¼­ ¼ÒÇÁÆ®¿þ¾î ȯ°æÀÇ ÀϺδ Active Server Pages (ASP)´Â ¾î¶² °³¹ßÀÚµéÀº À¥À»À§ÇÑ ¾ÖÇà ¸®ÄÉÀ̼ÇÀ» °³¹ßÇÒ ¼öÀÖ½À´Ï´Ù. NET ±â¼úÀÌ Æ÷ÇԵǾîÀÖ½À´Ï´Ù.

The .Net architecture can exist on multiple platforms, further extending the portability of .NET programs. . ´å³Ý ¾ÆÅ°ÅØÃ³´Â ¿©·¯ Ç÷§Æû¿¡ ´ëÇÑ Á¸ÀçÀÇ À̵¿¼ºÀ» ¿¬ÀåÇÏ½Ç ¼öÀÖ½À´Ï´Ù. NET ÇÁ·Î±×·¥. Additionally, the .NET software environment involves a new program development process that could change the way programs are written and executed, leading to increased productivity. ¶ÇÇÑ,. NETÀÇ ¼ÒÇÁÆ®¿þ¾î ȯ°æ, »ý»ê¼º Áõ°¡·Î À̾îÁö´Â ÇÁ·Î±×·¥ ÀÛ¼º ¹× ½ÇÇà ¹æ¹ýÀ» º¯°æÇÒ ¼öÀÖ´Â »õ·Î¿î ÇÁ·Î±×·¥À» °³¹ß °úÁ¤¿¡ Æ÷ÇԵ˴ϴÙ.

The most important component of the .NET architecture is Web Services, which are applications that can be used over the Internet. . NET¿¡¼­ ¾ÆÅ°ÅØÃ³ÀÇ °¡Àå Áß¿äÇÑ ±¸¼º ¿ä¼Ò´Â À¥ ¼­ºñ½º, ¾î¶² ¾ÖÇà ¸®ÄÉÀ̼ÇÀÌ ÀÎÅͳÝÀ» ÅëÇØ »ç¿ëµÉ ¼öÀÖ´Ù. One example of a Web service is the tour operator¡¯s flights booking system. À¥ ¼­ºñ½ºÀÇ ÇÑ ¿¹·Î °ü±¤ ¿¬»êÀÚÀÇ Ç×°øÆí ¿¹¾à ½Ã½ºÅÛÀÔ´Ï´Ù. The tour operator wanted to enable customers to book flights from the tour operator¡¯s Web site. Åõ¾î ¿¬»êÀÚ¸¦ Ȱ¼ºÈ­ÇÏ°í ½Í¾ú °í°´ Åõ¾î ¿î¿µÀÚÀÇ À¥ »çÀÌÆ®¿¡¼­ Ç×°øÆí ¿¹¾à. To do so, the tour operator needed to access the airlines booking system. ÀÌ·¸°ÔÇÏ·Á¸é Åõ¾î ¿¬»êÀÚ´Â Ç×°ø»ç ¿¹¾à ½Ã½ºÅÛ¿¡ Á¢¼ÓÇÏ´Â µ¥ ÇÊ¿äÇÑ. In response, an airline partner created a Web service that allowed the tour operator to access the airlines database and make bookings. ÀÌ¿¡ ´ëÇØ ÇÑ Ç×°ø»ç ÆÄÆ®³Ê Åõ¾î ¿î¿µÀÚ°¡ Ç×°ø»ç µ¥ÀÌÅͺ£À̽º¿¡ ¾×¼¼½ºÇÏ°í ¿¹¾àÀ» ÇÒ ¼öÀÖ´Â À¥ ¼­ºñ½º¸¦ ¸¸µé¾ú½À´Ï´Ù. Web services enable the two companies to communicate over the Web, even if they use the different operating systems (the tour operator uses UNIX and the airline uses Windows). À¥ ¼­ºñ½º´Â µÎ ȸ»çÀÇ À¥ ³Ñ´Â ÀÇ»ç ¼ÒÅë, ½ÉÁö¾î ±×µéÀº ¼­·Î ´Ù¸¥ ¿î¿µ üÁ¦¸¦ »ç¿ëÇÏ´Â °æ¿ì (Åõ¾î ¿¬»êÀÚ¸¦ »ç¿ëÇÏ¿© UNIX ¹× Ç×°ø»ç)´Â Windows¸¦ »ç¿ëÇÕ´Ï´Ù. By creating a Web service, the airline can allow other tour operators to use its booking system without creating a new program. À¥ ¼­ºñ½º¸¦ »ý¼ºÇÔÀ¸·Î½á, ´Ù¸¥ Ç×°ø»çÀÇ °ü±¤ »ç¾÷ÀÚµéÀÌ »õ·Î¿î ÇÁ·Î±×·¥À» ¸¸µéÁö ¾Ê°í´Â ¿¹¾à ½Ã½ºÅÛÀ» »ç¿ëÇϵµ·Ï Çã¿ëÇÒ ¼öÀÖ½À´Ï´Ù.

The .NET strategy extends the concept of software reuse to the Internet, allowing developers to concentrate on their specialties without having to implement every component of every application. °¡. NETÀÇ Àü·«Àº ÀÎÅͳݿ¡, °³¹ßÀÚµéÀÌ Àü¹® ºÐ¾ß¿¡ÀÖ´Â ¸ðµç ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ ¸ðµç ±¸¼º ¿ä¼Ò¸¦ ±¸ÇöÇÏÁö ¾Ê°í ÁýÁßÇÒ ¼ö ÀÖµµ·Ï ¼ÒÇÁÆ®¿þ¾î Àç»ç¿ëÀÇ °³³äÀ» È®ÀåÇÕ´Ï´Ù. Instead, companies can buy Web services and devote their time and energy to developing their products. ´ë½Å, ±â¾÷µéÀº À¥ ¼­ºñ½º¸¦ »ì ¼öÀÖ´Â ½Ã°£°ú ¿¡³ÊÁö °³¹ßÀ» ±×µéÀÇ Á¦Ç°À» ¹ÙÄ¡´Ù.

The .NET strategy incorporates the idea of software reuse. °¡. NETÀÇ Àü·«Àº ¼ÒÇÁÆ®¿þ¾î Àç»ç¿ëÀÇ ¾ÆÀ̵ð¾î¸¦ ÅëÇÕÇϰíÀÖ´Ù. When companies link their products in this way, a new user experience emerges. ±â¾÷ÀÌ ÀÌ·± ¹æ½ÄÀ¸·Î ÇÒ ¶§, »õ·Î¿î »ç¿ëÀÚ °æÇèÀ» ¾ò½À´Ï´Ù ÀÚ»ç Á¦Ç° ¸µÅ©¸¦ Ŭ¸¯ÇϽʽÿÀ. For example, an online store could buy Web services for online credit-card payments, user authentication and inventory databases to create an e-commerce Web site. ¿¹¸¦ µé¾î, ¿Â¶óÀÎ »óÁ¡À» ¿Â¶óÀÎÀ¸·Î ½Å¿ë¿¡ ´ëÇÑ À¥ ¼­ºñ½º¸¦ »ì ¼ö ÀÖ°Ú - Ä«µå ÁöºÒ, »ç¿ëÀÚ ÀÎÁõ ¹× Àκ¥Å丮 µ¥ÀÌÅͺ£À̽º ÀüÀÚ - »ó°Å·¡ À¥ »çÀÌÆ®¸¦ »ý¼ºÇÒ ¼öÀÖ½À´Ï´Ù. The keys to this interaction are XML and SOAP, which enable Web service to communicate. ÀÌ »óÈ£ ÀÛ¿ëÇÏ´Â ¿­¼è´Â XML°ú SOAP, ¼ÒÅëÀÇ À¥ ¼­ºñ½º¸¦ »ç¿ëÇϰíÀÖ´Ù. XML gives meaning to data, and SOAP is the protocol that allows Web services to communicate easily with one another. XML µ¥ÀÌÅ͸¦ ÀǹÌÀÖ°Ô, ±×¸®°í SOAPÀº À¥ ¼­ºñ½º¸¦ ½±°Ô ¼­·Î Åë½ÅÇÒ ¼ö ÀÖµµ·ÏÇÏ´Â ÇÁ·ÎÅäÄÝÀÔ´Ï´Ù. XML and SOAP act together combining various Web services to form applications. XML°ú SOAP¸¦ ÇÔ²² ´Ù¾çÇÑ ¾ÖÇà ¸®ÄÉÀÌ¼Ç ÇüÅ·ΠÀ¥ ¼­ºñ½º¸¦ °áÇÕÇÏ°Ô Çൿ ÇØ¿ä.

Another important concept in the .NET technology is universal data access. . NET ±â¼ú¿¡ ¶Ç ´Ù¸¥ Áß¿äÇÑ °³³äÀº º¸ÆíÀûÀÎ µ¥ÀÌÅÍ ¾×¼¼½ºÀÔ´Ï´Ù. If two copies of a file exist (such as on a personal computer and a company computer), the less recent version must constantly be updated, this is called file synchronization. ÆÄÀÏÀÇ »çº»ÀÌ µÎ °³ÀÖ´Â °æ¿ì (¿¹ : °³ÀÎ ÄÄÇ»ÅÍ¿Í È¸»çÀÇ ÄÄÇ»ÅÍ¿¡ÀÖ´Â)À¸·Î, ÃֽйöÀüÀ» ´úÇϰԵǰí,ÀÌ µ¿±âÈ­ ÆÄÀÏÀÌ Á¸Àç¶ó´Â ¾÷µ¥ÀÌ Æ®ÇØ¾ßÇÕ´Ï´Ù. If the separate versions of the file are different, they are unsynchronized and could lead to serious error. ÆÄÀÏÀÇ °æ¿ì º°µµÀÇ ¹öÀüÀÌ ´Ù¸£´Ù, ±×µé°ú µ¿±âÈ­ÇÏ´Â ½É°¢ÇÑ ¿À·ù·Î À̾îÁú ¼öÀÖ´Ù. Using the .NET data could reside in one central location rather than on separate systems. . NET¿¡¼­ µ¥ÀÌÅ͸¦ »ç¿ëÇϱ⺸´Ù´Â ÇϳªÀÇ Áß¾Ó À§Ä¡¿¡ º°µµÀÇ ½Ã½ºÅÛ¿¡ »óÁÖÇÒ ¼öÀÖ½À´Ï´Ù. Any internet-connected device could access the data, which would then be formatted properly for use on access device (a desktop PC, a PDA or other device). ¾î¶² ÀÎÅÍ³Ý - ´ÙÀ½ Á¦´ë·Î ¾×¼¼½º ÀåÄ¡¿¡ »ç¿ëÇϱâ À§ÇØ (µ¥½ºÅ©Å¾ PC, PDA ¶Ç´Â ´Ù¸¥ ÀåÄ¡)ÀÇ Çü½ÄÀÌ µÉ °ÍÀ̶ó°í µ¥ÀÌÅÍ¿¡ ¾×¼¼½ºÇÒ ¼öÀÖ´Â ÀåÄ¡°¡ ¿¬°áµÇ¾îÀÖ½À´Ï´Ù. Thus, the same document could be displayed and edited without the need to synchronise the data, because it would be up to date in central area. µû¶ó¼­, °°Àº ¹®¼­¸¦ Ç¥½ÃÇÒ ¼ö ¼ö¿Í ÇÊ¿äÇÑ µ¥ÀÌÅ͸¦ µ¿±âÈ­Çϵµ·Ï¾øÀÌ ÆíÁý, ¶§¹®¿¡ Áß¾Ó Áö¿ª¿¡¼­ µ¥ÀÌÆ®ÇÏ´Â °ÍÀÌ´Ù.

The Author is the IT Solutions Development Manager of eNetGate Company, which specializes in Web Design, Database Development and Application Development throughout the UK. ÀúÀÚ´Â IT ¼Ö·ç¼Ç °³¹ß °ü¸®ÀÚ´Â À¥ µðÀÚÀÎ, µ¥ÀÌÅͺ£À̽º °³¹ß ¹× ÀÀ¿ë ÇÁ·Î±×·¥ °³¹ß¿¡ ¿µ±¹ Àü¿ª eNetGate Àü¹® ȸ»çÀÔ´Ï´Ù. http://www.enetgate.com

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