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This paper presents the structure, hardware functionallity and software architecture of a data network management system based on the ATMEGA256 controller. Its role is to communicate with a controlling entity via an Ethernet or a serial based link, thus providing the means to monitor and configure the various equipments comprising a communications centre.
Post-processing is an important part of quantum key distribution (QKD) system. This paper discusses the motivation for designing a multi-thread QKD post processing software, its architecture, communication protocol specification, and synchronization issues. It is shown that efficiency is gained from multi-thread programming. Future work to improve the software is also discussed.
Over recent years there has been increased level of discussion on utility pricing for software. The focus of these discussions is to create new operating cost models where the unit costs are directly tied to the business operations to which they contribute. While creating a fine-grained operating cost model is very important for software solutions such as SaaS, the anticipated technology platforms...
Crosscutting behaviors and features of architectural units have always been a tricky issue in software architecture design. If not well treated, they may cause some unnecessary coupling among architectural units and hamper maintenance, evolution and reusability of software products. Appropriate modeling approaches and expressions contribute to the solution of these problems. This paper proposes an...
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