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Analysis Of Tcp Performance In Data Center Networks

Author: Santosh Kulkarni
Publisher: Springer Science & Business Media
ISBN: 1461478618
Size: 73.79 MB
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This book addresses the need to improve TCP’s performance inside data centers by providing solutions that are both practical and backward compatible with standard TCP versions. The authors approach this challenge first by deriving an analytical model for TCP’s performance under typical data center workload traffic. They then discuss some solutions that are designed to improve TCP performance by either proactively detecting network congestion through probabilistic retransmission or by avoiding timeout penalty through dynamic resizing of TCP segments. Experimental results show that each of techniques discussed outperforms standard TCP inside a data center.

Data Center Fundamentals

Author: Mauricio Arregoces
Publisher: Cisco Press
ISBN: 9781587050237
Size: 16.50 MB
Format: PDF, ePub
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• • Cisco Systems is the market leader for Data Centre technology products, creating a demand for relevant content provided in this title • Learn design guidelines that show how to deploy server farms in highly available and scalable environments • Plan site performance capacity with discussions of server farm architectures and their real-life applications

Internet Congestion Control

Author: Subir Varma
Publisher: Morgan Kaufmann
ISBN: 0128036001
Size: 78.33 MB
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Internet Congestion Control provides a description of some of the most important topics in the area of congestion control in computer networks, with special emphasis on the analytical modeling of congestion control algorithms. The field of congestion control has seen many notable advances in recent years and the purpose of this book, which is targeted towards the advanced and intermediate reader, is to inform about the most important developments in this area. The book should enable the reader to gain a good understanding of the application of congestion control theory to a number of application domains such as Data Center Networks, Video Streaming, High Speed Links and Broadband Wireless Networks. When seen through the lens of analytical modeling, there are a number of common threads that run through the design and analysis of congestion control protocols in all these different areas, which are emphasized in this book. The book also cuts a path through the profusion of algorithms in the literature, and puts the topic on a systematic and logical footing. Internet Congestion Control provides practicing network engineers and researchers with a comprehensive and accessible coverage of analytical models of congestion control algorithms, and gives readers everything needed to understand the latest developments and research in this area. Examines and synthesizes the most important developments in internet congestion control from the last 20 years. Provides detailed description on the congestion control protocols used in four key areas; broadband wireless networks, high speed networks with large latencies, video transmission networks, and data center networks. Offers accessible coverage of advanced topics such as Optimization and Control Theory as applied to congestion control systems.

Handbook On Data Centers

Author: Samee U. Khan
Publisher: Springer
ISBN: 1493920928
Size: 79.21 MB
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This handbook offers a comprehensive review of the state-of-the-art research achievements in the field of data centers. Contributions from international, leading researchers and scholars offer topics in cloud computing, virtualization in data centers, energy efficient data centers, and next generation data center architecture. It also comprises current research trends in emerging areas, such as data security, data protection management, and network resource management in data centers. Specific attention is devoted to industry needs associated with the challenges faced by data centers, such as various power, cooling, floor space, and associated environmental health and safety issues, while still working to support growth without disrupting quality of service. The contributions cut across various IT data technology domains as a single source to discuss the interdependencies that need to be supported to enable a virtualized, next-generation, energy efficient, economical, and environmentally friendly data center. This book appeals to a broad spectrum of readers, including server, storage, networking, database, and applications analysts, administrators, and architects. It is intended for those seeking to gain a stronger grasp on data center networks: the fundamental protocol used by the applications and the network, the typical network technologies, and their design aspects. The Handbook of Data Centers is a leading reference on design and implementation for planning, implementing, and operating data center networks.

Traffic Monitoring And Analysis

Author: Alberto Dainotti
Publisher: Springer
ISBN: 3642549993
Size: 52.96 MB
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This book constitutes the proceedings of the 6th International Workshop on Traffic Monitoring and Analysis, TMA 2014, held in London, UK, in April 2014. The thoroughly refereed 11 full papers presented in this volume were carefully reviewed and selected from 30 submissions. The contributions are organized in topical sections on tools and lessons learned from passive measurement, performance at the edge and Web, content and inter domain.

High Performance Datacenter Networks

Author: Dennis Abts
Publisher: Morgan & Claypool Publishers
ISBN: 1608454037
Size: 13.62 MB
Format: PDF, ePub
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Datacenter networks provide the communication substrate for large parallel computer systems that form the ecosystem for high performance computing (HPC) systems and modern Internet applications. The design of new datacenter networks is motivated by an array of applications ranging from communication intensive climatology, complex material simulations and molecular dynamics to such Internet applications as Web search, language translation, collaborative Internet applications, streaming video and voice-over-IP. For both Supercomputing and Cloud Computing the network enables distributed applications to communicate and interoperate in an orchestrated and efficient way. This book describes the design and engineering tradeoffs of datacenter networks. It describes interconnection networks from topology and network architecture to routing algorithms, and presents opportunities for taking advantage of the emerging technology trends that are influencing router microarchitecture. With the emergence of "many-core" processor chips, it is evident that we will also need "many-port" routing chips to provide a bandwidth-rich network to avoid the performance limiting effects of Amdahl's Law. We provide an overview of conventional topologies and their routing algorithms and show how technology, signaling rates and cost-effective optics are motivating new network topologies that scale up to millions of hosts. The book also provides detailed case studies of two high performance parallel computer systems and their networks. Table of Contents: Introduction / Background / Topology Basics / High-Radix Topologies / Routing / Scalable Switch Microarchitecture / System Packaging / Case Studies / Closing Remarks

Packet Transport Mechanisms For Data Center Networks

Author: Mohammadreza Alizadeh Attar
Size: 68.48 MB
Format: PDF
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Data centers are large facilities that house tens of thousands of interconnected computing and storage servers. In recent years, large investments have been made in massive data centers to support services such as search, social networking, electronic commerce, and cloud computing. This has spurred a lot of interest in the industry and the research community in innovation for reducing costs and improving the performance of data center networks. One of the most crucial components of a data center network (indeed, of any network) is its transport mechanism -- the method by which data is transferred from one server to another. The major goals of a transport mechanism are to transfer data at the highest possible rate and with the lowest latency. In this dissertation, we present measurements from three production clusters with 6000 servers that reveal impairments with today's state-of-the-art Transmission Control Protocol (TCP) in data center environments. The impairments are rooted in TCP's demands on the limited buffer space available in commodity data center switches. We then propose two novel transport mechanisms designed specifically for the data center: DCTCP and HULL. These mechanisms enable the construction of large-scale, high-performance data center networks with very low latency and high bandwidth using commodity switches. DCTCP (for Data Center TCP) uses a simple modification to the TCP congestion control algorithm that allows it to maintain very low queue occupancy (and latency) in data center switches while simultaneously providing high throughput. HULL (for High-bandwidth Ultra-Low Latency) is an architecture that builds on DCTCP to deliver baseline fabric latency (only propagation and switching) by nearly eliminating all queueing from the data center network. We also present a stability analysis of the Quantized Congestion Notification (QCN) algorithm that has been standardized as the IEEE802.1Qau standard for Layer 2 (Ethernet) congestion control.

High Performance Data Network Design

Author: Tony Kenyon
Publisher: Elsevier
ISBN: 0080491456
Size: 25.51 MB
Format: PDF, Docs
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High-Performance Data Network Design contains comprehensive coverage of network design, performance, and availability. Tony Kenyon provides the tools to solve medium- to large-scale data network design problems from the ground up. He lays out a practical and systematic approach that integrates network planning, research, design, and deployment, using state-of-the-art techniques in performance analysis, cost analysis, simulation, and topology modeling. The proliferation and complexity of data networks today is challenging our ability to design and manage them effectively. A new generation of Internet, e-commerce, and multimedia applications has changed traditional assumptions on traffic dynamics, and demands tight quality of service and security guarantees. These issues, combined with the economics of moving large traffic volumes across international backbones, mean that the demands placed on network designers, planners, and managers are now greater than ever before. High-Performance Data Network Design is a "must have" for anyone seriously involved in designing data networks. Together with the companion volume, Data Networks: Routing, Security, and Performance Optimization, this book gives readers the guidance they need to plan, implement, and optimize their enterprise infrastructure. · Provides real insight into the entire design process · Includes basic principles, practical advice, and examples of design for industrial-strength enterprise data networks · Integrates topics often overlooked—backbone optimization, bottleneck analysis, simulation tools, and network costing