[신간의 별자리x] 우리/미술, 그리고 ‘슬픔의 박물관’

https://minerva-access.unimelb.edu.au/bitstream/handle/11343/197439/1207.0203v1.pdf

Internet of Things (IoT): A vision, architectural elements, and future directions

Data Mining Practical Machine Learning Tools and Techniques

http://cloud.pubs.dbs.uni-leipzig.de/sites/cloud.pubs.dbs.uni-leipzig.de/files/Brandic2008CloudcomputingandemergingITplatformsVisionhypeand.pdf

Cloud computing and emerging IT platforms: Vision, hype, and reality for delivering computing as the 5th utility

Cloud computing is a recent advancement wherein IT infrastructure and applications are provided as ‘services’ to end-users under a usage-based payment model. It can leverage virtualized services even on the fly based on requirements (workload patterns and QoS) varying with time. The application services hosted under Cloud computing model have complex provisioning, composition, configuration, and deployment requirements. Evaluating the performance of Cloud provisioning policies, application workload models, and resources performance models in a repeatable manner under varying system and user configurations and requirements is difficult to achieve. To overcome this challenge, we propose CloudSim: an extensible simulation toolkit that enables modeling and simulation of Cloud computing systems and application provisioning environments. The CloudSim toolkit supports both system and behavior modeling of Cloud system components such as data centers, virtual machines (VMs) and resource provisioning policies. It implements generic application provisioning techniques that can be extended with ease and limited effort. Currently, it supports modeling and simulation of Cloud computing environments consisting of both single and inter-networked clouds (federation of clouds). Moreover, it exposes custom interfaces for implementing policies and provisioning techniques for allocation of VMs under inter-networked Cloud computing scenarios. Several researchers from organizations, such as HP Labs in U.S.A., are using CloudSim in their investigation on Cloud resource provisioning and energy-efficient management of data center resources. The usefulness of CloudSim is demonstrated by a case study involving dynamic provisioning of application services in the hybrid federated clouds environment. The result of this case study proves that the federated Cloud computing model significantly improves the application QoS requirements under fluctuating resource and service demand patterns. Copyright © 2010 John Wiley & Sons, Ltd.

https://beloglazov.info/papers/2010-cloudsim-spe.pdf

CloudSim: a toolkit for modeling and simulation of cloud computing environments and evaluation of resource provisioning algorithms

At a high level of abstraction grid applications are commonly specified based on the workflow paradigm. We consider that for the wide acceptance of grid technology it is relevant that the user has the possibility to express requirements on quality of service (QoS) at workflow specification time. However, most of the existing workflow languages lack constructs for QoS specification, or provide only limited QoS support. In this paper we present an approach for high level workflow specification that considers a comprehensive set of QoS requirements. Besides performance related QoS, it includes economical, legal and security aspects. For instance, for security or legal reasons the user may express the location affinity regarding grid resources on which certain workflow tasks may be executed. Our QoS aware workflow system provides support for the whole workflow life cycle from specification to execution. Workflow is specified graphically, in an intuitive manner, based on a standard visual modeling language. We illustrate our approach with a real world workflow for maxillo facial surgery simulation.

High-level composition of QoS-aware Grid workflows: An approach that considers location affinity

Performance is one of the key features of parallel and distributed computing systems. Therefore, in the past a significant research effort was invested in the development of approaches for performa ...

/pdf/a-survey-of-the-state-of-the-art-in-performance-modeling-and-2rsrw07ssc.pdf

A Survey of the State of the Art in Performance Modeling and Prediction of Parallel and Distributed Computing Systems

https://www.infosys.tuwien.ac.at/Staff/ivona/papers/StandardizedProducts.pdf

Creating standardized products for electronic markets

Research into computing resource markets has mainly considered the allocative fairness of market mechanisms. It has not been discussed how a large variety of resource types influences the market liquidity. Markets containing large numbers of buyers and sellers for heterogeneous resources suffer from a low likelihood of matching offers and requests. Traders therefore have the high risk of not being able to trade resources. We suggest a solution that derives SLA templates from a large number of heterogeneous SLAs in the market and, by using these templates instead of the original SLAs, facilitates SLA mapping. The usefulness of this approach is demonstrated through simulation results and a comparison with an alternative approach, in which SLAs are predefined.

Ivona Brandic

Papers

High-level composition of QoS-aware Grid workflows: An approach that considers location affinity

A Survey of the State of the Art in Performance Modeling and Prediction of Parallel and Distributed Computing Systems

Creating standardized products for electronic markets

Using SLA mapping to increase market liquidity

SLA enactment for large-scale healthcare workflows on multi-Cloud