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A hybrid web server architecture for secure e-business web applications

機(jī)譯：用于安全電子商務(wù)Web應(yīng)用程序的混合Web服務(wù)器體系結(jié)構(gòu)

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Nowadays the success of many e-commerce applications, such as on-line banking, depends on their reliability, robustness and security. Designing a web server architecture that keeps these properties under high loads is a challenging task because they are the opposite to performance. The industry standard way to provide security on web applications is the use the Secure Socket Layer (SSL) protocol to create a secure communication channel between the clients and the server. Traditionally, the use of data encryption has introduced a negative performance impact over web application servers because it is an extremely CPU consuming task, reducing the throughput achieved by the server as well as increasing its average response time. As far as the revenue obtained by a commercial web application is directly related to the amount of clients that complete business transactions, the performance of such secure applications becomes a mission critical objective for most companies. In this paper we evaluate a novel hybrid web server architecture (implemented over Tomcat 5.5) that combines the best aspects of the two most extended server architectures, the multithreaded and the event-driven, to provide an excellent trade-off between reliability, robustness, security and performance. The obtained results demonstrate the feasibility of the proposed hybrid architecture as well as the performance benefits that this model introduces for secure web applications, providing the same security level than the original Tomcat 5.5 and improved reliability, robustness and performance, according to both technical and business metrics.
機(jī)譯：如今，許多電子商務(wù)應(yīng)用程序（例如在線銀行）的成功取決于其可靠性，健壯性和安全性。設(shè)計一個使這些屬性承受高負(fù)載的Web服務(wù)器體系結(jié)構(gòu)是一項(xiàng)艱巨的任務(wù)，因?yàn)樗鼈兣c性能相反。在Web應(yīng)用程序上提供安全性的行業(yè)標(biāo)準(zhǔn)方法是使用安全套接字層（SSL）協(xié)議在客戶端和服務(wù)器之間創(chuàng)建安全的通信通道。傳統(tǒng)上，數(shù)據(jù)加密的使用對Web應(yīng)用程序服務(wù)器造成了負(fù)面的性能影響，因?yàn)樗且豁?xiàng)非常消耗CPU的任務(wù)，從而降低了服務(wù)器實(shí)現(xiàn)的吞吐量并增加了其平均響應(yīng)時間。只要商業(yè)Web應(yīng)用程序獲得的收入與完成業(yè)務(wù)交易的客戶數(shù)量直接相關(guān)，那么這種安全應(yīng)用程序的性能就成為大多數(shù)公司的關(guān)鍵任務(wù)目標(biāo)。在本文中，我們評估了一種新穎的混合Web服務(wù)器架構(gòu)（通過Tomcat 5.5實(shí)現(xiàn)），該架構(gòu)結(jié)合了兩種最擴(kuò)展的服務(wù)器架構(gòu)（多線程和事件驅(qū)動）的最佳方面，從而在可靠性，健壯性，安全性和性能。獲得的結(jié)果證明了所提出的混合體系結(jié)構(gòu)的可行性以及該模型為安全Web應(yīng)用程序引入的性能優(yōu)勢，根據(jù)技術(shù)和業(yè)務(wù)方面，該模型提供與原始Tomcat 5.5相同的安全級別，并提高了可靠性，魯棒性和性能。指標(biāo)。

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