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Embedded platforms are becoming increasingly more resource-rich (e.g. processing speeds, number of cores, memory, and communication rates). As a result, they are being transformed from `closed', fixed-function devices to programmable and flexible platforms capable of supporting diverse types of services. One approach to enabling service diversity jointly with proper isolation of key critical functionality...
A key benefit of utility data centers and cloud computing infrastructure is the level of consolidation they can offer to arbitrary guest applications, and the substantial saving in operational costs and resources that can be derived in the process. However, significant challenges remain before it becomes possible to effectively and at low cost manage virtualized systems, particularly in the face of...
Emerging heterogeneous multicore systems are suitable platforms for efficient deployment of application- specific service components. Easily virtualizable and reprogrammable platforms, these 'appliances' for future information services make it possible to run familiar software stacks created with common development tools, in addition to offering acceleration capabilities for performance critical software...
This paper introduces a virtualized FPGA-based accelerator for wire speed scheduling of packet streams under quality of service constraints. This work implements the dynamic window constrained scheduling algorithm and builds upon our previous custom accelerator by adding support for virtualization. This implementation is parametric, permitting tradeoffs between packet decision latency, decision throughput,...
Our research addresses "information appliances' used in modern large-scale distributed systems to: (1) virtualize their data flows by applying actions such as filtering, format translation, etc., and (2) separate such actions from enterprise applications' business logic, to make it easier for future service-oriented codes to inter-operate in diverse and dynamic environments. Our specific contribution...
The integration of legacy systems and enterprise applications with novel communications, Internet, or networking services creates the problems of mismatches, information integration and possibly, problems from the evolution of the systems themselves. Enterprise services to solve these problems are currently implemented via commodity server hardware or application specific integrated circuits (ASICs),...
Recent hardware advances are creating multi-core systems with heterogeneous functionality. This paper explores how applications and middleware can utilize systems comprised of processors specialized for communication vs. computational tasks. The C-CORE execution environment enables applications, through middleware and underlying system functionality, to utilize both the computational capabilities...
Large-scale applications require the efficient exchange of data across their distributed components, including data from heterogeneous sources and to widely varying clients. Inherent to such data exchanges are (1) discrepancies among the data representations used by sources, clients, or intermediate application components (e.g., due to natural mismatches or due to dynamic component evolution), and...
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