Services over Internet Protocol: Voice is just the beginning… - WITSA

IP Enables the Next Generation of ApplicationsCOMMUNICATION LAYERSContent Layer(movies, books, papers,information, etc.)Application Layer(voice, video, web, chat,e-mail, etc.)Logical Layer(IP addressing, wirelesshandoffs, etc.Physical Layer(electric, co-axial, copper,wireless, fiber)Open standard datanetworks, such as IP,operate in layers thatallow applications to beseparated from theinfrastructure– Enables multipleplayers to enter themarket at differentlayers and compete,stimulating innovation– The type of the network(electric, co-axial,copper, wireless, fiber)no longer dictates theapplication or servicesConcept compliments of Kevin Werbach7Copyright 2004 AT&T