Communicating sequential processes
Communicating sequential processes
Actors: a model of concurrent computation in distributed systems
Actors: a model of concurrent computation in distributed systems
Open implementation design guidelines
ICSE '97 Proceedings of the 19th international conference on Software engineering
Practical Byzantine fault tolerance
OSDI '99 Proceedings of the third symposium on Operating systems design and implementation
Role model designs and implementations with aspect-oriented programming
Proceedings of the 14th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications
On the criteria to be used in decomposing systems into modules
Communications of the ACM
SEDA: an architecture for well-conditioned, scalable internet services
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
Pattern-Oriented Software Architecture: Patterns for Concurrent and Networked Objects
Pattern-Oriented Software Architecture: Patterns for Concurrent and Networked Objects
Design pattern implementation in Java and aspectJ
OOPSLA '02 Proceedings of the 17th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications
ECOOP '01 Proceedings of the 15th European Conference on Object-Oriented Programming
AOP: Does It Make Sense? The Case of Concurrency and Failures
ECOOP '02 Proceedings of the 16th European Conference on Object-Oriented Programming
A Design Framework for Highly Concurrent Systems
A Design Framework for Highly Concurrent Systems
Reusable aspect-oriented implementations of concurrency patterns and mechanisms
Proceedings of the 5th international conference on Aspect-oriented software development
JAC: declarative Java concurrency: Research Articles
Concurrency and Computation: Practice & Experience
Proceedings of the 5th international conference on Generative programming and component engineering
Proving the Correctness of Multiprocess Programs
IEEE Transactions on Software Engineering
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One of the most important design decisions about a server program is regarding its concurrency mechanisms. However, good concurrency models for general-purpose server programs are increasingly difficult to conceive as the runtime conditions are hard to predict. In this work, we advocate that the concurrency code is to be decoupled from server programs. To enable such separation, we propose and evaluate CAL, -- the Concurrency Aspect Library. CALprovides uniform concurrency programming abstractions and mediates the intrinsic differences among concurrency models. Through CAL, a server program is not tied to any particular concurrency model and framework. CALcan be configured without modifications to use concurrency frameworks of fundamentally different natures. The concurrency code based on CALis simpler and looks closer to the design. Leveraging the customizability of CAL, we show that a commercial middleware server, refactored to use CAL, outperforms its original version by as much as 10 times.