TESLA : a transparent, extensible session-layer framework for end-to-end network services
Jon Salz · 2002
This thesis argues that session-layer services for enhancing functionality and improving network performance are gaining in importance in the Internet; examples include connection multiplexing, congestion state sharing, application-level routing, mobility/migration support, encryption, and so on. To facilitate the development of these services, we describe Tesla, a transparent and extensible framework that allows session-layer services to be developed using a high-level flow-based abstraction (rather than sockets), enables them to be deployed transparently using dynamic library interposition, and enables them to be composed by chaining event handlers in a graph structure. We show how Tesla can be used to design several interesting sessionlayer services including encryption, SOCKS and application-controlled routing, flow migration, and traffic rate shaping, all with acceptably low performance degradation.