Secure electronic commerce: building the infrastructure for digital signatures and encryption
Secure electronic commerce: building the infrastructure for digital signatures and encryption
Essential JNI: Java Native Interface
Essential JNI: Java Native Interface
An active service framework and its application to real-time multimedia transcoding
Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
Inside Java 2 platform security architecture, API design, and implementation
Inside Java 2 platform security architecture, API design, and implementation
The role of trust management in distributed systems security
Secure Internet programming
Cryptographic Design Vulnerabilities
Computer
Security at the Internet Layer
Computer
Proceedings of the First International Working Conference on Active Networks
IWAN '99 Proceedings of the First International Working Conference on Active Networks
Active networks: Applications, security, safety, and architectures
IEEE Communications Surveys & Tutorials
Electronic commerce: enablers and implications
IEEE Communications Magazine
Active networks for efficient distributed network management
IEEE Communications Magazine
The Phoenix framework: a practical architecture for programmable networks
IEEE Communications Magazine
A secure active network environment architecture: realization in SwitchWare
IEEE Network: The Magazine of Global Internetworking
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Programming the network infrastructure significantly enhances its flexibility and favors fast deployment of new protocols, but also introduces serious security risks. It is crucial to protect the whole distributed infrastructure, especially its availability in case of denial-of-service attacks. A security framework for programmable networks may provide security solutions at different levels of abstraction. Active networks mainly propose a network-layer approach, by extending the packet format to include security information. Mobile code technologies tend to provide security tools at the application layer to integrate with standard external infrastructures, such as public key ones. The paper describes the security frameworks of several programmable network proposals and points out the dis/advantages related to the adopted abstraction level. This comparison suggests to consider an integrated security framework capable of choosing the service-specific balance between application-layer flexibility and network efficiency. To this purpose, the paper presents the architecture of a Programmable Network Component (PNC) that integrates security solutions at different layers and that has been implemented by using a mobile agent programming environment.