| Publisher | Association for Computing Machinery | ||
|---|---|---|---|
| Format | 252.9KB PDF | Date added | 16 Mar 2007 |
| Topics | Quality of Service, Middleware, Denial of Service | ||
| Downloads | 8 | ||
The layered architecture of middleware platforms (such as CORBA, SOAP, J2EE) is a mixed blessing. On the one hand, layers provide services such as demarshaling, session management, request despatching, Quality-of-Service (QoS) etc. In a typical middleware platform, every request passes through each layer, whether or not the services provided by that layer are needed for that specific request. This rigid layer processing can lower overall system throughput, and reduce availability and/or increase vulnerability to denial-of-service attacks. To evade this trap, the paper proposes to extend the middleware platform with new aspect-oriented modeling syntax, code generation tools, and a development process for building bypassing implementations. Bypassing implementations provide better use of server's resources, leading to better overall client experience.
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