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Convergence Switching and the Next-Generation Carrier

Convergence Switching and the Next-Generation Carrier -...

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Convergence Switching and the Next- Generation Carrier Definition Convergence is the merger of packet switching technology with telephony signaling and call-processing intelligence, allowing carriers to consolidate typically separate voice and data overlay networks and provide new and differentiated integrated communications services. Overview Convergence technologies are changing the way carriers will carry traditional voice and data traffic. The public switched telephone network (PSTN) is one of the oldest communications networks in existence. However, the growth of the Internet has significantly spurred the growth of data over the PSTN and resulted in the need to rearchitect this traditional telephone network. Carriers are using new technologies to carry voice, data, and integrated services and to simplify the underlying infrastructur εο... both from a cost and complexity standpoint. Convergence technologies include full-featured signaling system 7 (SS7) support and standard telephony interfaces and therefore completely interoperate with the existing PSTN infrastructure, supporting all of the voice features to which users are accustomed as well as data traffic. They can also provide a bridge to access, enable, and develop new services. Topics 1. Introduction 2. Voice and Data—The History 3. Leveraging the Legacy Infrastructure 4. Moving Forward: Converged Switching Architecture 5. Opportunities for Carriers 6. The Next-Generation Carrier Self-Test
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Web ProForum Tutorials http://www.iec.org Copyright © The International Engineering Consortium 2/14 Correct Answers Glossary 1. Introduction Telecommunications deregulation and the explosion in data traffic and service revenues are forcing carriers to reexamine their approach to providing voice and data services. Indeed, analysts predict that data will consume 90 percent of the world’s bandwidth by 2003. With more than $380 billion in U.S. telephony revenues at stake by 2002, increased competition and technology advances will result in declining revenues from traditional transport services (approximately $100 billion by 2002 ) and the growth of innovative, high-value, network-based services. Shrinking traditional telephony revenues and profitability will force carriers to do the following: reduce the number of overlay network platforms; currently, most carriers operate separate circuit-switched (voice and private line), frame relay or asynchronous transfer mode (ATM), and Internet protocol (IP) networks cap investment in traditional circuit switches and migrate to a converged switching infrastructure provide more profitable, enhanced services from hardware and software platforms designed to deliver integrated telephony-grade voice, video, and data services The challenges presented by the shift from voice to data dominance will affect the profitability and long-term viability of carriers of all stripes, from incumbents to recent market entrants. Determining and implementing a sound migration
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  • Spring '09
  • jahis
  • Telephone exchange, Asynchronous Transfer Mode, Signaling System 7, International Engineering Consortium, Web ProForum Tutorials

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Convergence Switching and the Next-Generation Carrier -...

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