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
An essential reference for deploying IPv6 in broadband networks With the exponential growth of the Internet and increasing number of end users, service providers are increasingly looking for ways to expand their networks to meet the scalability requirements of the growing number of Internet-ready appliances or "always-on" devices. This book bridges a gap in the literature by providing coverage of Internet Protocol Version 6 (IPv6), specifically in broadband access networks. The authors, who are Cisco Certified Internetworking Experts (CCIE), provide comprehensive and first-rate coverage of: IPv6 drivers in broadband networks IPv6 deployment in Cable, DSL, ETTH, and Wireless networks Configuring and troubleshooting IPv6 gateway routers and host Configuring and troubleshooting IPv6 edge routers Configuring and troubleshooting IPv6 provisioning servers The authors also discuss challenges faced by service providers and how IPv6 addresses these issues. Additionally, the book is complemented with examples throughout to further facilitate readers' comprehension and a real large-scale IPv6 BB SP case study is presented. Deploying IPv6 in Broadband Access Networks is essential reading for network operators, network design engineers and consultants, network architects, and members of the networking community.
State failure, ethnopolitical war, genocide, famine, and refugee flows are variants of a type of complex political and humanitarian crisis, exemplified during the 1990s in places like Somalia, Bosnia, Liberia, and Afghanistan. The international consequences of such crises are profound, often threatening regional security and requiring major inputs of humanitarian assistance. They also may pose long-term and costly challenges of rebuilding shattered governments and societies. A vital policy question is whether failures can be diagnosed far enough in advance to facilitate effective international efforts at prevention or peaceful transformation. This volume of original essays examines crisis early warning factors at different levels, in different settings, and judges their effectiveness according to various models. Top contributors offer answers along with analyses as they move from early warning to early response in their policy recommendations.
The main objective of this book is to make respective graduate students understand the nonlinear effects inside SOI waveguide and possible applications of SOI waveguides in this emerging research area of optical fibre communication. This book focuses on achieving successful optical frequency shifting by Four Wave Mixing (FWM) in silicon-on-insulator (SOI) waveguide by exploiting a nonlinear phenomenon.
This fascinating book uncovers the hidden stories behind Pakistan's fixation with blasphemy-tales of revenge, political scheming and sovereign betrayal. Hussain's account opens in nineteenth-century colonial Punjab and traces blasphemy killings to the present, linking their emergence to polemic encounters between Hindu and Muslim revivalist sects, namely the Arya Samaj and the Ahmadiyya. It offers, for the first time, the arresting backstories to the assassinations of Pandit Lekh Ram, a leading Hindu nationalist; Swami Shraddhanand, an early progenitor of Hindu nationalism and the principal advocate for converting Muslims; and Rajpal, the Hindu publisher of a sensationalist book on the Prophet Muhammad. Revenge, Politics and Blasphemy in Pakistan then maps the curious afterlives of these killings, illuminating the most critical moments in Pakistan's history: 1953, when outraged protestors smashed stores owned by religious minorities, triggering the country's first state of emergency; 1974, when Islamist parties pressured Zulfiqar Ali Bhutto to put blasphemy on the constitutional agenda; 1984, when Zia-ul-Haq transformed Pakistan according to his Islamist vision, which included more severe punishments for blasphemy; and the twenty-first century, when digital media has dramatically increased the visibility of blasphemy killings, prompting political parties to demonstrate their commitment to the cause.
`Excellent and compelling' - Partha Chatterjee, University of Columbia `A provocative, passionate and stimulating new interpretation of ethnic nationalism' - Dipesh Chakrabarty, University of Chicago `A significant study that informs us of the politics and group interests in one of the most volatile regions of the world' - Stephen Castles, Oxford University `Very interesting intellectual and political ideas - refreshing' - Gyan Pandey, Johns Hopkins University `An informed and lucid work that demystifies the politics of nationalism' - Howard Brasted, University of New England A major challenge Pakistan has been confronted with since it came into existence is the self-assertion of various ethnic groups, which have actively contested the legitimacy of the state structure. However, despite the seriousness of this ethnic challenge, there exists no detailed study of these movements, Politics of Identity fills this vacuum. Ethnic nationalism, the author argues, is a political issue and is essentially a struggle for power between dominant and non-dominant groups. Highlighting the role the state plays in the lives of individuals, the book: - studies both the pre-colonial and colonial state system in India and the changes it effected until India's independence and the creation of Pakistan; - assesses the state in Pakistan and explains its role in giving rise to ethnic discontent; - studies four ethnic movements - Pukhtun, Baloch, Sindhi and Mohajir - demonstrating how their proximity to or distance from state power have influenced their politics.
`Excellent and compelling' - Partha Chatterjee, University of Columbia `A provocative, passionate and stimulating new interpretation of ethnic nationalism' - Dipesh Chakrabarty, University of Chicago `A significant study that informs us of the politics and group interests in one of the most volatile regions of the world' - Stephen Castles, Oxford University `Very interesting intellectual and political ideas - refreshing' - Gyan Pandey, Johns Hopkins University `An informed and lucid work that demystifies the politics of nationalism' - Howard Brasted, University of New England A major challenge Pakistan has been confronted with since it came into existence is the self-assertion of various ethnic groups, which have actively contested the legitimacy of the state structure. However, despite the seriousness of this ethnic challenge, there exists no detailed study of these movements, Politics of Identity fills this vacuum. Ethnic nationalism, the author argues, is a political issue and is essentially a struggle for power between dominant and non-dominant groups. Highlighting the role the state plays in the lives of individuals, the book: - studies both the pre-colonial and colonial state system in India and the changes it effected until India's independence and the creation of Pakistan; - assesses the state in Pakistan and explains its role in giving rise to ethnic discontent; - studies four ethnic movements - Pukhtun, Baloch, Sindhi and Mohajir - demonstrating how their proximity to or distance from state power have influenced their politics.
During the 1930s, much of the world was in severe economic and political crisis. This upheaval ushered in new ways of thinking about social and political systems. In some cases, these new ideas transformed states and empires alike. Particularly in Europe, these transformations are well-chronicled in scholarship. In academic writings on India, however, Muslim political and legal thought has gone relatively unnoticed during this eventful decade. This book fills this gap by mapping the evolution of Muslim political and legal thought from roughly 1927 to 1940. By looking at landmark court cases in tandem with the political and legal ideas of Muhammad Iqbal and Muhammad Ali Jinnah, Pakistan's founding fathers, this book highlights the more concealed ways in which Indian Muslims began to acquire a political outlook with distinctly separatist aspirations. What makes this period worthy of a separate study is that the legal antagonism between religious communities in the 1930s foreshadowed political conflicts that arose in the run-up to independence in 1947. The presented cases and thinkers reflect the possibilities and limitations of Muslim political thought in colonial India.
This fascinating book uncovers the hidden stories behind Pakistan’s fixation with blasphemy–tales of revenge, political scheming and sovereign betrayal. Hussain’s account opens in nineteenth-century colonial Punjab and traces blasphemy killings to the present, linking their emergence to polemic encounters between Hindu and Muslim revivalist sects, namely the Arya Samaj and the Ahmadiyya. It offers, for the first time, the arresting backstories to the assassinations of Pandit Lekh Ram, a leading Hindu nationalist; Swami Shraddhanand, an early progenitor of Hindu nationalism and the principal advocate for converting Muslims; and Rajpal, the Hindu publisher of a sensationalist book on the Prophet Muhammad. Revenge, Politics and Blasphemy in Pakistan then maps the curious afterlives of these killings, illuminating the most critical moments in Pakistan’s history: 1953, when outraged protestors smashed stores owned by religious minorities, triggering the country’s first state of emergency; 1974, when Islamist parties pressured Zulfiqar Ali Bhutto to put blasphemy on the constitutional agenda; 1984, when Zia-ul-Haq transformed Pakistan according to his Islamist vision, which included more severe punishments for blasphemy; and the twenty-first century, when digital media has dramatically increased the visibility of blasphemy killings, prompting political parties to demonstrate their commitment to the cause.
British anti-slavery was one of the most important reform movements of the 19th century. But its history is not without ironies. During the course of the 18th century the British perfected the Atlantic slave system. Indeed, it has been estimated that between 1700 and 1810 British merchants transported almost three million Africans across the Atlantic. That the British benefited from the Atlantic slave system is indisputable. Yet, paradoxically, it was also the British who led the struggle to bring this system to an end. This book is an attempt to throw light on the anti-slavery movement which is still going on.
This book presents an extension of fuzzy set theory allowing for multi-polar information, discussing its impact on the theoretical and practical development of multi-criteria decision making. It reports on set of hybrid models developed by the authors, and show how they can be adapted, case by case, to the lack of certainty under a variety of criteria. Among them, hybrid models combining m-polar fuzzy sets with rough, soft and 2-tuple linguistic sets, and m-polar hesitant fuzzy sets and hesitant m-polar fuzzy are presented, together with some significant applications. In turn, outranking decision-making techniques such as m-polar fuzzy ELECTRE I, II, III and IV methods, as well as m-polar fuzzy PROMETHEE I and II methods, are developed. The efficiency of these decision-making procedures, as well as other possible extensions studied by the authors, is shown in some real-world applications. Overall, this book offers a guide on methodologies to deal with the multi-polarity and fuzziness of the real-world problems, simultaneously. By including algorithms and computer programming codes, it provides a practice-oriented reference guide to both researchers and professionals working at the interface between computational intelligence and decision making.
144 Astrological Archetypes that reveal more about you than you knew about yourself. Secrets of the Combined Astrology is a comprehensive work focusing on the 144 combinations created when the 12 Chinese signs (Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Sheep, Monkey, Rooster, Dog and Boar) meet the 12 Western Zodiac signs (Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius and Pisces). Starting with the traditional four BAZI pillars i.e. day, month, year and time of birth, this information is converted into Astrological language the Western world understands, making what is otherwise a very complicated process easily accessible by the mainstream. Celebrities and public figures are used as references to illustrate each individual combination.
The book is a unique research work on false flag terror which is perpetrated by the mass media and undertakes a deep study based on Case Learning Model and suggests the ways in which the media should cover terrorism activities and defines the Do's and Don'ts for covering such events. The book also reveals certain hidden aspects of 9/11 attack media coverage as well as hidden truths of the media coverage of Iraq, Mumbai, Madrid attacks and War on Gaza. The book is an attempt to show that with no other means to see a world beyond how far one can travel, media is crucial to bringing the greater world closer to home but journalism is no more about the truth; it is just about economic interests and the dogmas of policies. It is therefore, when media fails to do its job, what's created is a world much more exaggerated and black-and-white than is truly the case. Until the world can be represented accurately and moderately, we have to continually live in this hyperbole.
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