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Message: <blockquote data-quote="manjera" data-source="post: 7847309" data-attributes="member: 294055">The OSI, or Open System Interconnection, model defines a networking framework for implementing protocols in seven layers. Control is passed from one layer to the next, starting at the application layer in one station, proceeding to the bottom layer, over the channel to the next station and back up the hierarchy.  This layer supports application and end-user processes. Communication partners are identified, quality of service is identified, user authentication and privacy are considered, and any constraints on data syntax are identified. Everything at this layer is application-specific. This layer provides application services for file transfers, e-mail, and other network software services. Telnet and FTP are applications that exist entirely in the application level. Tiered application architectures are part of this layer.<a href="http://www.buyautoparts.com/toyota-parts/" target="_blank">toyota auto parts</a><a href="http://carads.ca" target="_blank">auto trader</a></blockquote>

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