The most important indicators of the effectiveness content protection systems are achieved security level, i.e. functional properties security. These are: confidentiality, integrity, availability. Each is distributed according to methods ensuring and degree its achievement. A significant drawback such that they qualitative. This significantly narrows scope their use makes it impossible them in ...

Content Delivery Networks (CDNs) are a vital component of the Internet’s content delivery value chain, servicing nearly a third of the Internet’s most popular content sites. However, in spite of their strategic importance little is known about the optimal pricing policies or adoption drivers of CDNs. We address these questions using analytic models of the market structure for Internet content d...

Content Delivery network architectures are initiatives designed to support the effective delivery of continuous and discrete media to end-users. Mobile devices are now capable of exploiting services such as content delivery, but with the protocols governing the Content Delivery Networks designed for wired networked topologies; an assessment of the impact of mobile devices on the network has nev...

Background: This study aimed to evaluated trends for iron and manganese concentrations in wells, reservoirs, and water distribution networks in Qom city during the summer of 2012. Methods: This was a cross-sectional study. The studied scopes consisted of groundwater (60 wells), reservoirs (10 tanks), and water distribution network (33 points). One sample was taken from each source monthly. Stat...

Distributing content on the Internet is an important economic, educational, social, and cultural endeavor. To this end, there have been proposals to use traditional server-based content distribution networks (CDNs) to replicate and distribute web and multimedia content of big content producers, such as news websites, or big businesses, such as online shopping websites, etc., to millions of Inte...

Description: Distribution of multimedia content is expected to take a leading role in the service portfolio of future communication networks. People are assumed to require access to multimedia content of various nature and format through different end devices and access networks. Especially within the context of cooperative networks, multimedia content distribution will face a number of challen...