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A framework for security on demand

机译：按需安全框架

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With new technologies such as SDN(Software-Defined Networking) and NFV(Network Function Virtualization), network transformation is inevitable for network operators to make network programmable as well as to save cost. Consequently, applications can be deployed rapidly and automatically based on SDN and NFV. Correspondingly, security as one of key features for application also has to be provided dynamically and adaptively to meet different security requirements for today's rapid-increasing and evolving applications. However, traditional security appliances such as firewall are implemented as hardware-based middleboxes and placed on fixed locations in the network, so it is difficult to meet security requirements for today's applications. This paper proposes a new security service model based on security chain (i.e. security on demand) to provide customized security services dynamically and adaptively for today's applications. How to apply security on demand to the application (i.e. special vehicle speedup) is also elaborated.
机译：借助SDN（软件定义的网络）和NFV（网络功能虚拟化）等新技术，网络转换对于网络运营商而言是不可避免的，它可以使网络可编程并节省成本。因此，可以基于SDN和NFV快速，自动地部署应用程序。相应地，还必须动态地，自适应地提供安全性作为应用程序的关键功能之一，以满足当今快速增长和发展的应用程序的不同安全性要求。但是，传统的安全设备（如防火墙）被实现为基于硬件的中间盒，并放置在网络中的固定位置，因此很难满足当今应用程序的安全要求。本文提出了一种基于安全链（即按需安全）的新安全服务模型，可以为当今的应用程序动态，自适应地提供定制的安全服务。还详细说明了如何按需将安全性应用于应用程序（即特殊车辆提速）。

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