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Author: Adeel Ahmed
Publisher: Cisco Press
ISBN: 0132583062
Category : Computers
Languages : en
Pages : 676
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Book Description
VoIP Performance Management and Optimization A KPI-based approach to managing and optimizing VoIP networks IP Communications Adeel Ahmed, CCIE® No. 4574 Habib Madani Talal Siddiqui, CCIE No. 4280 VoIP Performance Management and Optimization is the first comprehensive, expert guide to managing, monitoring, troubleshooting, and optimizing large VoIP networks. Three leading Cisco VoIP experts bring together state-of-the-art techniques for ensuring that customer service level agreements (SLA) are consistently met or exceeded. The authors begin by reviewing how VoIP is deployed in enterprise and service provider networks and the performance tradeoffs and challenges associated with each leading VoIP deployment model. Next, they present a comprehensive approach to diagnosing problems in VoIP networks using key performance indicators (KPI) and proactively addressing issues before they impact service. In this book, you will find a proven tools-based strategy for gauging VoIP network health and maximizing performance and voice quality. You also will learn how to perform trend analysis and use the results for capacity planning and traffic engineering—thereby optimizing your networks for both the short- and long-term. The authors all work in the Cisco Advanced Services Group. Deploy, manage, monitor, and scale multivendor VoIP networks more effectively Integrate performance data from multiple VoIP network segments and service flows to effectively manage SLAs Use performance counters, call detail records, and call agent trace logs to gauge network health in real time Utilize dashboards to analyze and correlate VoIP metrics, analyze trends, and plan capacity Implement a layered approach to quickly isolate and troubleshoot both localized and systemic problems in VoIP networks Optimize performance in networks where the service provider owns the “last mile” connection Improve performance when VoIP is deployed over publicly shared infrastructure Manage performance in enterprise networks using both centralized and distributed call processing Plan media deployment for the best possible network performance Monitor trends, establish baselines, optimize existing resources, and identify emerging problems Understand and address common voice quality issues This IP communications book is part of the Cisco Press® Networking Technology Series. IP communications titles from Cisco Press help networking professionals understand voice and IP telephony technologies, plan and design converged networks, and implement network solutions for increased productivity. Category: Networking: Unified Communications Covers: Voice over IP Network Management
Author: Adeel Ahmed
Publisher: Cisco Press
ISBN: 0132583062
Category : Computers
Languages : en
Pages : 676
Get Book Here
Book Description
VoIP Performance Management and Optimization A KPI-based approach to managing and optimizing VoIP networks IP Communications Adeel Ahmed, CCIE® No. 4574 Habib Madani Talal Siddiqui, CCIE No. 4280 VoIP Performance Management and Optimization is the first comprehensive, expert guide to managing, monitoring, troubleshooting, and optimizing large VoIP networks. Three leading Cisco VoIP experts bring together state-of-the-art techniques for ensuring that customer service level agreements (SLA) are consistently met or exceeded. The authors begin by reviewing how VoIP is deployed in enterprise and service provider networks and the performance tradeoffs and challenges associated with each leading VoIP deployment model. Next, they present a comprehensive approach to diagnosing problems in VoIP networks using key performance indicators (KPI) and proactively addressing issues before they impact service. In this book, you will find a proven tools-based strategy for gauging VoIP network health and maximizing performance and voice quality. You also will learn how to perform trend analysis and use the results for capacity planning and traffic engineering—thereby optimizing your networks for both the short- and long-term. The authors all work in the Cisco Advanced Services Group. Deploy, manage, monitor, and scale multivendor VoIP networks more effectively Integrate performance data from multiple VoIP network segments and service flows to effectively manage SLAs Use performance counters, call detail records, and call agent trace logs to gauge network health in real time Utilize dashboards to analyze and correlate VoIP metrics, analyze trends, and plan capacity Implement a layered approach to quickly isolate and troubleshoot both localized and systemic problems in VoIP networks Optimize performance in networks where the service provider owns the “last mile” connection Improve performance when VoIP is deployed over publicly shared infrastructure Manage performance in enterprise networks using both centralized and distributed call processing Plan media deployment for the best possible network performance Monitor trends, establish baselines, optimize existing resources, and identify emerging problems Understand and address common voice quality issues This IP communications book is part of the Cisco Press® Networking Technology Series. IP communications titles from Cisco Press help networking professionals understand voice and IP telephony technologies, plan and design converged networks, and implement network solutions for increased productivity. Category: Networking: Unified Communications Covers: Voice over IP Network Management
Author: Syed A. Ahson
Publisher: CRC Press
ISBN: 1420070215
Category : Technology & Engineering
Languages : en
Pages : 471
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Book Description
The number of worldwide VoIP customers is well over 38 million. Thanks to the popularity of inexpensive, high-quality services, it's projected to increase to nearly 250 million within the next three years. The VoIP Handbook: Applications, Technologies, Reliability, and Security captures the state of the art in VoIP technology and serves as the comprehensive reference on this soon-to-be ubiquitous technology. It provides: A step-by-step methodology to evaluate VoIP performance prior to network implementation An invaluable overview of implementation challenges and several VoIP multipoint conference systems Unparalleled coverage of design and engineering issues such VoIP traffic, QoS requirements, and VoIP flow As this promising technology’s popularity increases, new demands for improved quality, reduced cost, and seamless operation will continue to increase. Edited by preeminent wireless communications experts Ahson and Illyas, the VoIP Handbook guides you to successful deployment.
Author: Kaustubh Inamdar
Publisher: Cisco Press
ISBN: 0134645065
Category : Computers
Languages : en
Pages : 1980
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Book Description
The complete guide to deploying and operating SBC solutions, Including Cisco Unified Border Element (CUBE) Enterprise and service provider networks are increasingly adopting SIP as the guiding protocol for session management, and require leveraging Session Border Controller (SBC) technology to enable this transition. Thousands of organizations have made the Cisco Unified Border Element (CUBE) their SBC technology of choice. Understanding Session Border Controllers gives network professionals and consultants a comprehensive guide to SBC theory, design, deployment, operation, security, troubleshooting, and more. Using CUBE-based examples, the authors offer insights that will be valuable to technical professionals using any SBC solution. The authors thoroughly cover native call control protocols, SBC behavior, and SBC’s benefits for topology abstraction, demarcation and security, media, and protocol interworking. They also present practical techniques and configurations for achieving interoperability with a wide variety of collaboration products and solutions. Evaluate key benefits of SBC solutions for security, management, and interoperability Master core concepts of SIP, H.323, DTMF, signaling interoperability, call routing, fax/modem over IP, security, media handling, and media/signal forking in the SBC context Compare SBC deployment scenarios, and optimize deployment for your environment Size and scale an SBC platform for your environment, prevent oversubscription of finite resources, and control cost through careful licensing Use SBCs as a back-to-back user agent (B2BUA) to interoperate between asymmetric VoIP networks Establish SIP trunking for PSTN access via SBCs Interoperate with call servers, proxies, fax servers, ITSPs, redirect servers, call recording servers, contact centers, and other devices Secure real-time communications over IP Mitigate security threats associated with complex SIP deployments Efficiently monitor and manage an SBC environment
Author: Kerric Harvey
Publisher: SAGE Publications
ISBN: 1483389006
Category : Political Science
Languages : en
Pages : 1613
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Book Description
The Encyclopedia of Social Media and Politics explores how the rise of social media is altering politics both in the United States and in key moments, movements, and places around the world. Its scope encompasses the disruptive technologies and activities that are changing basic patterns in American politics and the amazing transformations that social media use is rendering in other political systems heretofore resistant to democratization and change. In a time when social media are revolutionizing and galvanizing politics in the United States and around the world, this encyclopedia is a must-have reference. It reflects the changing landscape of politics where old modes and methods of political communication from elites to the masses (top down) and from the masses to elites (bottom up) are being displaced rapidly by social media, and where activists are building new movements and protests using social media to alter mainstream political agendas. Key Features: This three-volume A-to-Z encyclopedia set includes 600 short essays on high-interest topics that explore social media’s impact on politics, such as "Activists and Activism," "Issues and Social Media," "Politics and Social Media," and "Popular Uprisings and Protest." A stellar array of world renowned scholars have written entries in a clear and accessible style that invites readers to explore and reflect on the use of social media by political candidates in this country, as well as the use of social media in protests overseas Unique to this book is a detailed appendix with material unavailable anywhere else tracking and illustrating social media usage by U.S. Senators and Congressmen. This encyclopedia set is a must-have general, non-technical resource for students and researchers who seek to understand how the changes in social networking through social media are affecting politics, both in the United States and in selected countries or regions around the world. Key Themes: Opening Essays Celebrities and Pioneers in Social Media and Politics Congressional Social Media Usage (Most Active Members) Measuring Social Media′s Political Impact Misuse of Social Media in the Political Arena: Issues and Ethics Social Media, Candidates, and Campaigns Social Media, Politics, and Culture Social Media and Networking Websites Social Media and Political Unrest Social Media and Social Issues, Activism, and Movements Social Media Concepts and Theorie Social Media Regulation, Public Policy, and Actual Practice Social Media Types, Innovation and Technology
Author:
Publisher: Information Gatekeepers Inc
ISBN:
Category :
Languages : en
Pages : 15
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Book Description
Author: Adeel Ahmed
Publisher:
ISBN: 9781587055287
Category : Computer network protocols
Languages : en
Pages : 0
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Book Description
The authors all work in the Cisco Advanced Services Group. --
Author: Mlindi Mashologu
Publisher: Universal-Publishers
ISBN: 1599423375
Category :
Languages : en
Pages :
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Book Description
The IP Multimedia Subsystem (IMS) is the basic network architecture for Next Generation Networks (NGN) which is intended to bridge the divide between the traditional circuit switched and packet switched networks, thereby providing a single network capable of providing all service offerings. IMS is based on the IP infrastructure and it enables the convergence of data, speech and video on the same network platform. The IMS forms the basis of Fixed Mobile Convergence (FMC), where fixed-line operators are striving to provide mobile access and mobile operators are trying to provide fixed access. This is done to provide both services to a customer in a single device. The IMS is based on Session Initiation Protocol (SIP), which is a text-based protocol. The IMS will generally create additional signaling traffic in the IP based networks, so there is a need to take necessary precautions to minimize the signaling overload. This research is based on how the performance of the IMS can be improved by optimization of SIP as well as IMS elements. An analysis and characterization of the signaling traffic generated by IMS has been performed and how the signaling traffic can be reduced by the compression of SIP using the Burrows Wheeler Transform (BWT) has been explored. The queuing models of the IMS have been formulated and the mathematical approach has been used to find the impact of implementing the Hyper-Threading technology on the IMS Elements.
Author: Adibi, Sasan
Publisher: IGI Global
ISBN: 1615206817
Category : Computers
Languages : en
Pages : 715
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Book Description
"This book further explores various issues and proposed solutions for the provision of Quality of Service (QoS) on the wireless networks"--Provided by publisher.
Author: Tamal Chakraborty
Publisher: Springer
ISBN: 3319955942
Category : Technology & Engineering
Languages : en
Pages : 265
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Book Description
This book offers an accessible introduction and practical guide to Voice over Internet Protocol (VoIP) technology, providing readers with the know-how to solve the problems encountered in applying VoIP technology across all types of network. It incorporates the latest research findings and brings readers up to date with the challenges that are faced by researchers developing novel applications of VoIP. The authors discuss the general architecture of VoIP technology, along with its application and relevance in conventional and emerging wireless communication networks, including Wireless Local Area Networks (WLANs), Worldwide Interoperability for Microwave Access (WiMAX), Long Term Evolution (LTE) and Cognitive Radio Networks. The book also includes Quality of service (QoS) studies under dynamic and unpredictable network conditions, which examine the reliability of both legacy systems And the upcoming pervasive computing systems. Further, it explains how the heuristic-based learning algorithms that are used in VoIP communications may help develop today’s technology in the area of autonomous systems. This book is a valuable source of information for academics and researchers, as it provides state-of-theart research in VoIP technology. It is also of interest to network designers, application architects, and service providers looking for a coherent understanding of VoIP across a wide range of devices, network applications and user categories.
Author: Francisco Rodrigo Porto Cavalcanti
Publisher: Springer Science & Business Media
ISBN: 1441901558
Category : Technology & Engineering
Languages : en
Pages : 542
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Book Description
In June 2000, GTEL (Wireless Telecommunications Research Group) at the F- eral University of Ceara ́ was founded by Professor Rodrigo Cavalcanti and his c- leagues with the mission of developing wireless communications technology and impact the development of the Brazilian telecommunications sector. From the start, this research effort has been supported by Ericsson Research providing a dynamic environment where academia and industry together can address timely and relevant research challenges. This book summarized much of the research output that has resulted from GTEL’s efforts. It provides a comprehensive treatment of the physical and multiple access layers in mobile communication systems describing different generations of systems but with a focus on 3G systems. The team of Professor C- alcanti has contributed scienti cally to the development of this eld and built up an impressive expertise. In the chapters that follow, they share their views and kno- edge on the underlying principles and technical trade-offs when designing the air interface of 3G systems. The complexity of 3G systems and the interaction between the physical and m- tiple access layers present a tremendous challenge when modeling, designing, and analyzing the mobile communication system. Herein, the authors tackle this pr- lem in an impressive manner. Their work is very much in line with the developments in 3GPP providing a deeper understanding of the evolution of 3G and also future enhancements.
