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<title>csdn_从商业角度分析J2EE与WINDOWS DNA体系结构</title>
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<H3 align=center>从商业角度分析J2EE与WINDOWS DNA体系结构 </H3>
<P></P>
<P class=MsoNormal><SPAN lang=EN-US><![if !supportEmptyParas]> <![endif]><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">这份白皮书的以下部分要讨论:</SPAN>
<SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">与</SPAN><SPAN
lang=EN-US>COM+</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</SPAN><SPAN
lang=EN-US>WINDOWS DNA</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">相比较,使用</SPAN><SPAN
lang=EN-US>EJB</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</SPAN><SPAN
lang=EN-US>J2EE</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所能带来的商业好处。</SPAN></P>
<P class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN
lang=EN-US style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt"><![if !supportEmptyParas]> <![endif]><o:p></o:p></SPAN></B></P>
<P class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN
lang=EN-US style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt">1
</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: 宋体; FONT-SIZE: 16pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt">业界支持</SPAN></B><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt"><o:p></o:p></SPAN></B></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">任何一个商业化的技术要想拥有良好的市场态势,业界内重要企业的大量参与是十分重要的。</SPAN><SPAN
lang=EN-US>J2EE</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">是由</SPAN><SPAN
lang=EN-US>SUN</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">引导,各厂商共同发起的,并得到广泛认可的工业标准。业内‘企业计算’领域的大企业如:</SPAN><SPAN
lang=EN-US
style="FONT-FAMILY: TimesNewRomanPSMT; mso-font-kerning: 0pt">IBM , BEA
Systems, Oracle</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: TimesNewRomanPSMT; mso-hansi-font-family: TimesNewRomanPSMT; mso-font-kerning: 0pt">等都有参与。</SPAN><SPAN
lang=EN-US
style="FONT-FAMILY: TimesNewRomanPSMT; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><![if !supportEmptyParas]> <![endif]><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在</SPAN><SPAN
lang=EN-US>J2EE</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">规范制定阶段让供应商参与进来,能够吸收他们在企业计算领域多年来成熟的经验,而且能够推动他们迅速开发出</SPAN><SPAN
lang=EN-US>J2EE</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的产品。因为采取了以上策略,现在已经超过</SPAN><SPAN
lang=EN-US>25</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个不同的服务器端平台支持</SPAN><SPAN
lang=EN-US>J2EE </SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">规范。</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-FAMILY: TimesNewRomanPSMT; mso-font-kerning: 0pt"><![if !supportEmptyParas]> <![endif]><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: TimesNewRomanPSMT; mso-hansi-font-family: TimesNewRomanPSMT; mso-font-kerning: 0pt">由于采用开放的协作制定规范,</SPAN><SPAN
lang=EN-US
style="FONT-FAMILY: TimesNewRomanPSMT; mso-font-kerning: 0pt">J2EE</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: TimesNewRomanPSMT; mso-hansi-font-family: TimesNewRomanPSMT; mso-font-kerning: 0pt">也体现了众多企业计算领域供应商的知识和专业技术。这意味着产品解决方案能够满足任何商业需求。由于有大量的厂商支持,所以用户的选择范围会更广泛。</SPAN><SPAN
lang=EN-US
style="FONT-FAMILY: TimesNewRomanPSMT; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><![if !supportEmptyParas]> <![endif]><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">与此相比,</SPAN><SPAN
lang=EN-US>WINDOWS DNA</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">架构是由微软单独制定并完成的。客户若是选择了这种没有得到业界广泛支持的专有架构,就会把他们局限在某一个供应商的技术实现上。这会就妨碍客户将来采用其他供应商的产品,而这些产品很有可能最适合某一企业的特定需求。</SPAN></P>
<P class=MsoNormal><B style="mso-bidi-font-weight: normal"><SPAN
lang=EN-US style="FONT-SIZE: 16pt; mso-bidi-font-size: 10.0pt"><![if !supportEmptyParas]> <![endif]><o:p></o:p></SPAN></B></