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Future vision of advanced oxidation process and its immediate efficacy-a deep, insightful comprehension and a far-reaching review

Palit S.

International Letters of Chemistry, Physics and Astronomy

2014

Vol. 14, iss. 2

136-145

Environmental engineering is moving briskly and steadily from one challenging phase to another. The world of challenges are immense as well as far-reaching. Advanced oxidation processes today stands in the midst of immense scientific vision, scientific understanding and invincible scientific challenges. The effectivity of degradation quality of ozone and hydroxyl radicals is outstanding and path-breaking. Environmental concerns and subsequent environmental regulations are the burning issues of our present day civilization. Novel separation processes as well advanced oxidation techniques are the plausible solutions for zero-discharge norms and effective environmental engineering paradigm. The question of effective environmental engineering techniques comes into the horizon of a scientist’s mind. Amongst the advanced oxidation techniques, ozonation or ozone-oxidation stands today in the new millennium as the most effective environmental engineering techniques. Wastewater treatment and provision of clean drinking water are unquestionably the primordial issues of present day mankind and the ever-alert civil society. The visionary challenges are moving from one avenue of environmental disaster to another. Environmental disaster – both manmade as well as natural has plunged our civilization to unending catastrophe. These environmental calamities are harbingers of more immense and impending environmental disasters. The scientific paradigm and the scientific domain needs rethought and needs to be restructured. In the face of these immense environmental calamities, the thrust areas of novel separation processes and advanced oxidation needs immense retrospection. In such a critical juncture of history and time, this treatise effectively addresses the questions of zero-discharge norms with respect to new discoveries in the field of advanced oxidation processes particularly the field of ozonation.

Bringing introspection into BlobSeer: Towards a self-adaptive distributed data management system

Carpen-Amarie A., Costan A., Cai J., Antoniu G., Bougé L.

International Journal of Applied Mathematics and Computer Science

2011

Vol. 21, no 2

229-242

Introspection is the prerequisite of autonomic behavior, the first step towards performance improvement and resource usage optimization for large-scale distributed systems. In grid environments, the task of observing the application behavior is assigned to monitoring systems. However, most of them are designed to provide general resource information and do not consider specific information for higher-level services. More precisely, in the context of data-intensive applications, a specific introspection layer is required to collect data about the usage of storage resources, data access patterns, etc. This paper discusses the requirements for an introspection layer in a data management system for large-scale distributed infrastructures. We focus on the case of BlobSeer, a large-scale distributed system for storing massive data. The paper explains why and how to enhance BlobSeer with introspective capabilities and proposes a three-layered architecture relying on the MonALISA monitoring framework. We illustrate the autonomic behavior of BlobSeer with a self-configuration component aiming to provide storage elasticity by dynamically scaling the number of data providers. Then we propose a preliminary approach for enabling self-protection for the BlobSeer system, through a malicious client detection component. The introspective architecture has been evaluated on the Grid'5000 testbed, with experiments that prove the feasibility of generating relevant information related to the state and behavior of the system.