Tcp Ip Tutorial And Technical Overview

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TCP/IP Tutorial and Technical Overview

TCP/IP Tutorial and Technical Overview Pdf/ePub eBook Author:
Editor: IBM Redbooks
ISBN: 0738494682
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TCP/IP Tutorial and Technical Overview by Summary

The TCP/IP protocol suite has become the de facto standard for computer communications in today's networked world. The ubiquitous implementation of a specific networking standard has led to an incredible dependence on the applications enabled by it. Today, we use the TCP/IP protocols and the Internet not only for entertainment and information, but to conduct our business by performing transactions, buying and selling products, and delivering services to customers. We are continually extending the set of applications that leverage TCP/IP, thereby driving the need for further infrastructure support. It is our hope that both the novice and the expert will find useful information in this publication.

The TCP/IP Guide

The TCP/IP Guide Pdf/ePub eBook Author: Charles M. Kozierok
Editor: No Starch Press
ISBN: 159327095X
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The TCP/IP Guide by Charles M. Kozierok Summary

From Charles M. Kozierok, the creator of the highly regarded www.pcguide.com, comes The TCP/IP Guide. This completely up-to-date, encyclopedic reference on the TCP/IP protocol suite will appeal to newcomers and the seasoned professional alike. Kozierok details the core protocols that make TCP/IP internetworks function and the most important classic TCP/IP applications, integrating IPv6 coverage throughout. Over 350 illustrations and hundreds of tables help to explain the finer points of this complex topic. The book’s personal, user-friendly writing style lets readers of all levels understand the dozens of protocols and technologies that run the Internet, with full coverage of PPP, ARP, IP, IPv6, IP NAT, IPSec, Mobile IP, ICMP, RIP, BGP, TCP, UDP, DNS, DHCP, SNMP, FTP, SMTP, NNTP, HTTP, Telnet, and much more. The TCP/IP Guide is a must-have addition to the libraries of internetworking students, educators, networking professionals, and those working toward certification.

TCP/IP Clearly Explained

TCP/IP Clearly Explained Pdf/ePub eBook Author: Pete Loshin
Editor: Elsevier
ISBN: 0080518451
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TCP/IP Clearly Explained by Pete Loshin Summary

With over 30,000 copies sold in previous editions, this fourth edition of TCP/IP Clearly Explained stands out more than ever. You still get a practical, thorough exploration of TCP/IP networking, presented in plain language, that will benefit newcomers and veterans alike. The coverage has been updated, however, to reflect new and continuing technological changes, including the Stream Control Transmission Protocol (SCTP), the Blocks architecture for application protocols, and the Transport Layer Security Protocol (TLS). The improvements go far beyond the updated material: they also include an all-new approach that examines the TCP/IP protocol stack from the top down, beginning with the applications you may already understand and only then moving deeper to the protocols that make these applications possible. You also get a helpful overview of the "life" of an Internet packet, covering all its movements from inception to final disposition. If you're looking for nothing more than information on the protocols comprising TCP/IP networking, there are plenty of books to choose from. If you want to understand TCP/IP networking - why the protocols do what they do, how they allow applications to be extended, and how changes in the environment necessitate changes to the protocols—there's only the one you hold in your hands. Explains clearly and holistically, but without oversimplification—the core protocols that make the global Internet possible Fully updated to cover emerging technologies that are critical to the present and future of the Internet Takes a top-down approach that begins with the familiar application layer, then proceeds to the protocols underlying it, devoting attention to each layer's specifics Divided into organized, easy-to-follow sections on the concepts and fundamentals of networking, Internet applications, transport protocols, the Internet layer and infrastructure, and practical internetworking

Configuring IPCop Firewalls

Configuring IPCop Firewalls Pdf/ePub eBook Author: Barrie Dempster,James Eaton-Lee
Editor: Packt Publishing Ltd
ISBN: 9781904811367
FileSize: 311kb
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Configuring IPCop Firewalls by Barrie Dempster,James Eaton-Lee Summary

How to setup, configure and manage your Linux firewall, web proxy, DHCP, DNS, time server, and VPN with this powerful Open Source solution

Understanding Cisco Networking Technologies, Volume 1

Understanding Cisco Networking Technologies, Volume 1 Pdf/ePub eBook Author: Todd Lammle
Editor: John Wiley & Sons
ISBN: 111965906X
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Understanding Cisco Networking Technologies, Volume 1 by Todd Lammle Summary

Leading Cisco authority Todd Lammle helps you gain insights into the new core Cisco network technologies Understanding Cisco Networking Technologies is an important resource for those preparing for the new Cisco Certified Network Associate (CCNA) certification exam as well as IT professionals looking to understand Cisco’s latest networking products, services, and technologies. Written by bestselling author and internationally recognized Cisco expert Todd Lammle, this in-depth guide provides the fundamental knowledge required to implement and administer a broad range of modern networking and IT infrastructure. Cisco is the worldwide leader in network technologies—80% of the routers on the Internet are Cisco. This authoritative book provides you with a solid foundation in Cisco networking, enabling you to apply your technical knowledge to real-world tasks. Clear and accurate chapters cover topics including routers, switches, controllers and other network components, physical interface and cabling, IPv6 addressing, discovery protocols, wireless infrastructure, security features and encryption protocols, controller-based and software-defined architectures, and more. After reading this essential guide, you will understand: Network fundamentals Network access IP connectivity and IP services Security fundamentals Automation and programmability Understanding Cisco Networking Technologies is a must-read for anyone preparing for the new CCNA certification or looking to gain a primary understanding of key Cisco networking technologies.

Advanced Internet Protocols, Services, and Applications

Advanced Internet Protocols, Services, and Applications Pdf/ePub eBook Author: Eiji Oki,Roberto Rojas-Cessa,Mallikarjun Tatipamula,Christian Vogt
Editor: John Wiley & Sons
ISBN: 111818081X
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Advanced Internet Protocols, Services, and Applications by Eiji Oki,Roberto Rojas-Cessa,Mallikarjun Tatipamula,Christian Vogt Summary

Today, the internet and computer networking are essential parts of business, learning, and personal communications and entertainment. Virtually all messages or transactions sent over the internet are carried using internet infrastructure- based on advanced internet protocols. Advanced internet protocols ensure that both public and private networks operate with maximum performance, security, and flexibility. This book is intended to provide a comprehensive technical overview and survey of advanced internet protocols, first providing a solid introduction and going on to discuss internetworking technologies, architectures and protocols. The book also shows application of the concepts in next generation networks and discusses protection and restoration, as well as various tunnelling protocols and applications. The book ends with a thorough discussion of emerging topics.

TCP/IP Illustrated, Volume 1

TCP/IP Illustrated, Volume 1 Pdf/ePub eBook Author: Kevin R. Fall,W. Richard Stevens
Editor: Addison-Wesley
ISBN: 0132808188
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TCP/IP Illustrated, Volume 1 by Kevin R. Fall,W. Richard Stevens Summary

“For an engineer determined to refine and secure Internet operation or to explore alternative solutions to persistent problems, the insights provided by this book will be invaluable.” —Vint Cerf, Internet pioneer TCP/IP Illustrated, Volume 1, Second Edition, is a detailed and visual guide to today’s TCP/IP protocol suite. Fully updated for the newest innovations, it demonstrates each protocol in action through realistic examples from modern Linux, Windows, and Mac OS environments. There’s no better way to discover why TCP/IP works as it does, how it reacts to common conditions, and how to apply it in your own applications and networks. Building on the late W. Richard Stevens’ classic first edition, author Kevin R. Fall adds his cutting-edge experience as a leader in TCP/IP protocol research, updating the book to fully reflect the latest protocols and best practices. He first introduces TCP/IP’s core goals and architectural concepts, showing how they can robustly connect diverse networks and support multiple services running concurrently. Next, he carefully explains Internet addressing in both IPv4 and IPv6 networks. Then, he walks through TCP/IP’s structure and function from the bottom up: from link layer protocols–such as Ethernet and Wi-Fi–through network, transport, and application layers. Fall thoroughly introduces ARP, DHCP, NAT, firewalls, ICMPv4/ICMPv6, broadcasting, multicasting, UDP, DNS, and much more. He offers extensive coverage of reliable transport and TCP, including connection management, timeout, retransmission, interactive data flow, and congestion control. Finally, he introduces the basics of security and cryptography, and illuminates the crucial modern protocols for protecting security and privacy, including EAP, IPsec, TLS, DNSSEC, and DKIM. Whatever your TCP/IP experience, this book will help you gain a deeper, more intuitive understanding of the entire protocol suite so you can build better applications and run more reliable, efficient networks.

TCP/IP Network Administration

TCP/IP Network Administration Pdf/ePub eBook Author: Craig Hunt
Editor: \"O\'Reilly Media, Inc.\"
ISBN: 9781449390785
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TCP/IP Network Administration by Craig Hunt Summary

This complete guide to setting up and running a TCP/IP network is essential for network administrators, and invaluable for users of home systems that access the Internet. The book starts with the fundamentals -- what protocols do and how they work, how addresses and routing are used to move data through the network, how to set up your network connection -- and then covers, in detail, everything you need to know to exchange information via the Internet.Included are discussions on advanced routing protocols (RIPv2, OSPF, and BGP) and the gated software package that implements them, a tutorial on configuring important network services -- including DNS, Apache, sendmail, Samba, PPP, and DHCP -- as well as expanded chapters on troubleshooting and security. TCP/IP Network Administration is also a command and syntax reference for important packages such as gated, pppd, named, dhcpd, and sendmail.With coverage that includes Linux, Solaris, BSD, and System V TCP/IP implementations, the third edition contains: Overview of TCP/IP Delivering the data Network services Getting startedM Basic configuration Configuring the interface Configuring routing Configuring DNS Configuring network servers Configuring sendmail Configuring Apache Network security Troubleshooting Appendices include dip, ppd, and chat reference, a gated reference, a dhcpd reference, and a sendmail reference This new edition includes ways of configuring Samba to provide file and print sharing on networks that integrate Unix and Windows, and a new chapter is dedicated to the important task of configuring the Apache web server. Coverage of network security now includes details on OpenSSH, stunnel, gpg, iptables, and the access control mechanism in xinetd. Plus, the book offers updated information about DNS, including details on BIND 8 and BIND 9, the role of classless IP addressing and network prefixes, and the changing role of registrars.Without a doubt, TCP/IP Network Administration, 3rd Edition is a must-have for all network administrators and anyone who deals with a network that transmits data over the Internet.

IPv6 Introduction and Configuration

IPv6 Introduction and Configuration Pdf/ePub eBook Author: Sangam Racherla,Jason Daniel,IBM Redbooks
Editor: IBM Redbooks
ISBN: 0738450553
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IPv6 Introduction and Configuration by Sangam Racherla,Jason Daniel,IBM Redbooks Summary

Anyone who is involved with information technology knows that the Internet is running out of IP addresses. The last block of Internet Protocol version 4 (IPv4) addresses was allocated in 2011. Internet Protocol version 6 (IPv6) is the replacement for IPv4, and it is designed to address the depletion of IP addresses and change the way traffic is managed. This IBM® RedpaperTM publication describes the concepts and architecture of IPv6 with a focus on: An overview of IPv6 features An examination of the IPv6 packet format An explanation of additional IPv6 functions A review of IPv6 mobility applications This paper provides an introduction to Internet Control Message Protocol (ICMP) and describes the functions of ICMP in an IPv6 network. This paper also provides IPv6 configuration steps for the following clients: Microsoft Windows Red Hat Enterprise Linux IBM AIX® VMware vSphere ESXi 5.0 After understanding the basics of IPv6 concepts and architecture, IT network professionals will be able to use the procedures outlined in this paper to configure various host operating systems to suit their network infrastructure.

Packet Guide to Voice over IP

Packet Guide to Voice over IP Pdf/ePub eBook Author: Bruce Hartpence
Editor: \"O\'Reilly Media, Inc.\"
ISBN: 1449339638
FileSize: 1944kb
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Packet Guide to Voice over IP by Bruce Hartpence Summary

Go under the hood of an operating Voice over IP network, and build your knowledge of the protocols and architectures used by this Internet telephony technology. With this concise guide, you’ll learn about services involved in VoIP and get a first-hand view of network data packets from the time the phones boot through calls and subsequent connection teardown. With packet captures available on the companion website, this book is ideal whether you’re an instructor, student, or professional looking to boost your skill set. Each chapter includes a set of review questions, as well as practical, hands-on lab exercises. Learn the requirements for deploying packetized voice and video Understand traditional telephony concepts, including local loop, tip and ring, and T carriers Explore the Session Initiation Protocol (SIP), VoIP’s primary signaling protocol Learn the operations and fields for VoIP’s standardized RTP and RTCP transport protocols Delve into voice and video codecs for converting analog data to digital format for transmission Get familiar with Communications Systems H.323, SIP’s widely used predecessor Examine the Skinny Client Control Protocol used in Cisco VoIP phones in networks around the world

Windows Server 2003 Network Administration

Windows Server 2003 Network Administration Pdf/ePub eBook Author: Craig Hunt,Roberta Bragg
Editor: \"O\'Reilly Media, Inc.\"
ISBN: 0596552688
FileSize: 444kb
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Windows Server 2003 Network Administration by Craig Hunt,Roberta Bragg Summary

This book is the Windows Server version of the classic TCP/IP Network Administration. Like the book that inspired it, Windows Server 2003 Network Administration provides an overview of the essential TCP/IP protocols, and explains how to properly manage and configure the services based on these protocols. Any skilled network administrator knows that understanding how things work is as important as knowing how things are done. This book is the essential guide to both, containing everything a network administrator needs to exchange information via the Internet, and to build effective reliable networks. This must-read guide is divided into three distinct sections: fundamental concepts, tutorial, and reference. The first three chapters are a basic discussion of the network protocols and services. This discussion provides the fundamental concepts necessary to understand the rest of the book. The remaining chapters provide a how-to tutorial for planning, installing and configuring various important network services. The book concludes with three appendixes that are technical references for various configuration options. Content specifics include how to: Install, configure, and manage a Microsoft DNS and Windows DHCP server Control remote communications with Microsoft RRAS software Protect hosts with Internet Connection Firewalls Configure Internet and Intranet Web services with IIS Design proper security into your network Troubleshoot the network when problems develop After you've turned the final page of Windows Server 2003 Network Administration, you'll not only understand how to network, but also why it needs to be done.

C++ Network Programming, Volume I

C++ Network Programming, Volume I Pdf/ePub eBook Author: Douglas Schmidt,Stephen D. Huston
Editor: FT Press
ISBN: 9780321623850
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C++ Network Programming, Volume I by Douglas Schmidt,Stephen D. Huston Summary

As networks, devices, and systems continue to evolve, software engineers face the unique challenge of creating reliable distributed applications within frequently changing environments. C++ Network Programming, Volume 1, provides practical solutions for developing and optimizing complex distributed systems using the ADAPTIVE Communication Environment (ACE), a revolutionary open-source framework that runs on dozens of hardware platforms and operating systems. This book guides software professionals through the traps and pitfalls of developing efficient, portable, and flexible networked applications. It explores the inherent design complexities of concurrent networked applications and the tradeoffs that must be considered when working to master them. C++ Network Programming begins with an overview of the issues and tools involved in writing distributed concurrent applications. The book then provides the essential design dimensions, patterns, and principles needed to develop flexible and efficient concurrent networked applications. The book's expert author team shows you how to enhance design skills while applying C++ and patterns effectively to develop object-oriented networked applications. Readers will find coverage of: C++ network programming, including an overview and strategies for addressing common development challenges The ACE Toolkit Connection protocols, message exchange, and message-passing versus shared memory Implementation methods for reusable networked application services Concurrency in object-oriented network programming Design principles and patterns for ACE wrapper facades With this book, C++ developers have at their disposal the most complete toolkit available for developing successful, multiplatform, concurrent networked applications with ease and efficiency.

TCP / IP For Dummies

TCP / IP For Dummies Pdf/ePub eBook Author: Candace Leiden,Marshall Wilensky
Editor: John Wiley & Sons
ISBN: 9780470550663
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TCP / IP For Dummies by Candace Leiden,Marshall Wilensky Summary

Packed with the latest information on TCP/IP standards and protocols TCP/IP is a hot topic, because it's the glue that holds the Internet and the Web together, and network administrators need to stay on top of the latest developments. TCP/IP For Dummies, 6th Edition, is both an introduction to the basics for beginners as well as the perfect go-to resource for TCP/IP veterans. The book includes the latest on Web protocols and new hardware, plus very timely information on how TCP/IP secures connectivity for blogging, vlogging, photoblogging, and social networking. Step-by-step instructions show you how to install and set up TCP/IP on clients and servers; build security with encryption, authentication, digital certificates, and signatures; handle new voice and mobile technologies, and much more. Transmission Control Protocol / Internet Protocol (TCP/IP) is the de facto standard transmission medium worldwide for computer-to-computer communications; intranets, private internets, and the Internet are all built on TCP/IP The book shows you how to install and configure TCP/IP and its applications on clients and servers; explains intranets, extranets, and virtual private networks (VPNs); provides step-by-step information on building and enforcing security; and covers all the newest protocols You'll learn how to use encryption, authentication, digital certificates, and signatures to set up a secure Internet credit card transaction Find practical security tips, a Quick Start Security Guide, and still more in this practical guide.

Essential SNMP

Essential SNMP Pdf/ePub eBook Author: Douglas Mauro,Kevin Schmidt
Editor: \"O\'Reilly Media, Inc.\"
ISBN: 9780596552770
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Essential SNMP by Douglas Mauro,Kevin Schmidt Summary

Simple Network Management Protocol (SNMP) provides a "simple" set of operations that allows you to more easily monitor and manage network devices like routers, switches, servers, printers, and more. The information you can monitor with SNMP is wide-ranging--from standard items, like the amount of traffic flowing into an interface, to far more esoteric items, like the air temperature inside a router. In spite of its name, though, SNMP is not especially simple to learn. O'Reilly has answered the call for help with a practical introduction that shows how to install, configure, and manage SNMP. Written for network and system administrators, the book introduces the basics of SNMP and then offers a technical background on how to use it effectively. Essential SNMP explores both commercial and open source packages, and elements like OIDs, MIBs, community strings, and traps are covered in depth. The book contains five new chapters and various updates throughout. Other new topics include: Expanded coverage of SNMPv1, SNMPv2, and SNMPv3 Expanded coverage of SNMPc The concepts behind network management and change management RRDTool and Cricket The use of scripts for a variety of tasks How Java can be used to create SNMP applications Net-SNMP's Perl module The bulk of the book is devoted to discussing, with real examples, how to use SNMP for system and network administration tasks. Administrators will come away with ideas for writing scripts to help them manage their networks, create managed objects, and extend the operation of SNMP agents. Once demystified, SNMP is much more accessible. If you're looking for a way to more easily manage your network, look no further than Essential SNMP, 2nd Edition.

Packet Guide to Core Network Protocols

Packet Guide to Core Network Protocols Pdf/ePub eBook Author: Bruce Hartpence
Editor: \"O\'Reilly Media, Inc.\"
ISBN: 1449313248
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Packet Guide to Core Network Protocols by Bruce Hartpence Summary

Take an in-depth tour of core Internet protocols and learn how they work together to move data packets from one network to another. With this updated edition, you’ll dive into the aspects of each protocol, including operation basics and security risks, and learn the function of network hardware such as switches and routers. New chapters examine the transmission control protocol (TCP) and user datagram protocol in detail. Ideal for beginning network engineers, each chapter in this book includes a set of review questions, as well as practical, hands-on lab exercises. You’ll explore topics including: Basic network architecture: how protocols and functions fit together The structure and operation of the Ethernet protocol TCP/IP protocol fields, operations, and addressing used for networks The address resolution process in a typical IPv4 network Switches, access points, routers, and components that process packets TCP details, including packet content and client-server packet flow How the Internet Control Message Protocol provides error messages during network operations How network mask (subnetting) helps determine the network The operation, structure, and common uses of the user datagram protocol

TCP/IP ILLUSTRATED

TCP/IP ILLUSTRATED Pdf/ePub eBook Author: N. P. GOPALAN,B. SIVA SELVAN
Editor: PHI Learning Pvt. Ltd.
ISBN: 8120332830
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TCP/IP ILLUSTRATED by N. P. GOPALAN,B. SIVA SELVAN Summary

The TCP/IP technology has evolved over the years and undergone substantial improvements to meet the demands of modern high-speed network technologies. These demands involve the handling of increased traffic, providing better and efficient services, and implementing foolproof security measures for authentic and safe communication. Offering clear explanations of underlying issues, this book provides an accessible introduction the basic principles of the Internet and its accompany-ing TCP/IP protocol suit. It discusses a wide range of topics, including: • Principles and applications of TCP/IP and other relevant protocols • Coordination of multiple interconnected physical networks and protocols • Routing and its specific components—Internet addressing, protocol layering and implementation • Client-server model of communication • Internet security—issues and concepts This textbook is designed for students of BE/BTech pursuing courses in Computer Science and Engineering, Information Technology, as well as for students of computer applications (BCA and MCA). It can also be a valuable reference for ME/MTech students of Computer Science and Engineering and Information Technology, specializing in computer networks and network programming.

PACS and Digital Medicine

PACS and Digital Medicine Pdf/ePub eBook Author: Yu Liu,Jihong Wang
Editor: CRC Press
ISBN: 142008366X
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PACS and Digital Medicine by Yu Liu,Jihong Wang Summary

To improve efficiency and reduce administrative costs, healthcare providers, insurance companies, and governments are increasingly using integrated electronic health record (EHR) and picture archiving and communication systems (PACS) to manage patients’ medical information. Reflecting the latest applications of PACS technology, PACS and Digital Medicine: Essential Principles and Modern Practice discusses the essential principles of PACS, EHR, and related technological advancements as well as practical issues concerning the implementation, operation, and maintenance of PACS and EHR systems. The book focuses on various components of PACS that use state-of-the-art technologies. The authors first present topics to consider prior to implementation, including design principles for PACS components and theory. They also cover post-installation quality control; security and privacy policies; maintenance, including upgrade/integration with other information systems; and governing standards. Each chapter includes an introduction to basic concepts and principles relevant to the topics, before exploring challenges that PACS users may encounter in daily work. Discussions are supplemented with more than 130 illustrations, along with case studies of implementation in two organizations. A useful guide and broad overview of the field, this book presents key principles and practical steps for PACS and EHR implementations and maintenance. Although the technology and standards of healthcare IT will evolve over time, the theory and practical advice found in this text will remain pertinent in the future.

IBM z/OS V2R2 Communications Server TCP/IP Implementation: Volume 3 High Availability, Scalability, and Performance

IBM z/OS V2R2 Communications Server TCP/IP Implementation: Volume 3 High Availability, Scalability, and Performance Pdf/ePub eBook Author: Bill White,Octavio Ferreira,Teresa Missawa,Teddy Sudewo,IBM Redbooks
Editor: IBM Redbooks
ISBN: 0738441953
FileSize: 580kb
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IBM z/OS V2R2 Communications Server TCP/IP Implementation: Volume 3 High Availability, Scalability, and Performance by Bill White,Octavio Ferreira,Teresa Missawa,Teddy Sudewo,IBM Redbooks Summary

For more than 50 years, IBM® mainframes have supported an extraordinary portion of the world's computing work, providing centralized corporate databases and mission-critical enterprise-wide applications. IBM z SystemsTM platform, the latest generation of the IBM distinguished family of mainframe systems, has come a long way from its IBM System/360 heritage. Likewise, its IBM z/OS® operating system is far superior to its predecessors in providing, among many other capabilities, world-class and state-of-the-art support for the TCP/IP protocol suite. TCP/IP is a large and evolving collection of communication protocols managed by the Internet Engineering Task Force (IETF), an open, volunteer organization. Because of its openness, the TCP/IP protocol suite has become the foundation for the set of technologies that form the basis of the Internet. The convergence of IBM mainframe capabilities with Internet technology, connectivity, and standards (particularly TCP/IP) is dramatically changing the face of information technology and driving requirements for even more secure, scalable, and highly available mainframe TCP/IP implementations. The IBM z/OS Communications Server TCP/IP Implementation series provides understandable, step-by-step guidance for enabling the most commonly used and important functions of z/OS Communications Server TCP/IP. This IBM Redbooks® publication is for people who install and support z/OS Communications Server. It starts with a discussion of virtual IP addressing (VIPA) for high-availability, with and without a dynamic routing protocol. It describes several workload balancing approaches with the z/OS Communications Server. It also explains optimized sysplex distributor intra-sysplex load balancing. This function represents improved application support using optimized local connections together with weight values from extended Workload Manager (WLM) interfaces. Finally, this book highlights important tuning parameters and suggests parameter values to maximize performance in many client installations.

IBM Data Center Networking: Planning for Virtualization and Cloud Computing

IBM Data Center Networking: Planning for Virtualization and Cloud Computing Pdf/ePub eBook Author: Michele Girola,Marian Friedman,Mark Lewis,Alessio M. Tarenzio,IBM Redbooks
Editor: IBM Redbooks
ISBN: 0738435392
FileSize: 1149kb
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IBM Data Center Networking: Planning for Virtualization and Cloud Computing by Michele Girola,Marian Friedman,Mark Lewis,Alessio M. Tarenzio,IBM Redbooks Summary

The enterprise data center has evolved dramatically in recent years. It has moved from a model that placed multiple data centers closer to users to a more centralized dynamic model. The factors influencing this evolution are varied but can mostly be attributed to regulatory, service level improvement, cost savings, and manageability. Multiple legal issues regarding the security of data housed in the data center have placed security requirements at the forefront of data center architecture. As the cost to operate data centers has increased, architectures have moved towards consolidation of servers and applications in order to better utilize assets and reduce "server sprawl." The more diverse and distributed the data center environment becomes, the more manageability becomes an issue. These factors have led to a trend of data center consolidation and resources on demand using technologies such as virtualization, higher WAN bandwidth technologies, and newer management technologies. The intended audience of this book is network architects and network administrators. In this IBM® Redbooks® publication we discuss the following topics: The current state of the data center network The business drivers making the case for change The unique capabilities and network requirements of system platforms The impact of server and storage consolidation on the data center network The functional overview of the main data center network virtualization and consolidation technologies The new data center network design landscape

IBM z/OS V2R1 Communications Server TCP/IP Implementation Volume 3: High Availability, Scalability, and Performance

IBM z/OS V2R1 Communications Server TCP/IP Implementation Volume 3: High Availability, Scalability, and Performance Pdf/ePub eBook Author: Rufus P. Credle Jr.,Uma Maheswari Kumaraguru,Gilson Cesar de Oliveira,Micky Reichenberg,Georg Senfleben,Rutsakon Techo,Maulide Xavier,IBM Redbooks
Editor: IBM Redbooks
ISBN: 0738438812
FileSize: 379kb
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IBM z/OS V2R1 Communications Server TCP/IP Implementation Volume 3: High Availability, Scalability, and Performance by Rufus P. Credle Jr.,Uma Maheswari Kumaraguru,Gilson Cesar de Oliveira,Micky Reichenberg,Georg Senfleben,Rutsakon Techo,Maulide Xavier,IBM Redbooks Summary

For more than 40 years, IBM® mainframes have supported an extraordinary portion of the world's computing work, providing centralized corporate databases and mission-critical enterprise-wide applications. IBM System z®, the latest generation of the IBM distinguished family of mainframe systems, has come a long way from its IBM System/360 heritage. Likewise, its IBM z/OS® operating system is far superior to its predecessors in providing, among many other capabilities, world-class and state-of-the-art support for the TCP/IP Internet protocol suite. TCP/IP is a large and evolving collection of communication protocols managed by the Internet Engineering Task Force (IETF), an open, volunteer organization. Because of its openness, the TCP/IP protocol suite has become the foundation for the set of technologies that form the basis of the Internet. The convergence of IBM mainframe capabilities with Internet technology, connectivity, and standards (particularly TCP/IP) is dramatically changing information technology and driving requirements for even more secure, scalable, and highly available mainframe TCP/IP implementations. The IBM z/OS Communications Server TCP/IP Implementation series provides understandable, step-by-step guidance for enabling the most commonly used and important functions of z/OS Communications Server TCP/IP. This IBM Redbooks® publication is for people who install and support z/OS Communications Server. It starts by describing virtual IP addressing (VIPA) for high-availability, with and without a dynamic routing protocol. It describes several workload balancing approaches with the z/OS Communications Server. It also explains optimized sysplex distributor intra-sysplex load balancing. This function represents improved application support using optimized local connections together with weight values from extended Workload Manager (WLM) interfaces. Finally, this book highlights important tuning parameters and suggests parameter values to maximize performance in many client installations.