- Explore the current state of the OpenFlow model and centralized network control
- Delve into distributed and central control, including data plane generation
- Examine the structure and capabilities of commercial and open source controllers
- Survey the available technologies for network programmability
- Trace the modern data center from desktop-centric to highly distributed models
- Discover new ways to connect instances of network-function virtualization and service chaining
- Get detailed information on constructing and maintaining an SDN network topology
- Examine an idealized SDN framework for controllers, applications, and ecosystems
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Explore the emerging definitions, protocols, and standards for SDN—software-defined, software-driven, programmable networks—with this comprehensive guide. Two senior network engineers show you what’s required for building networks that use software for bi-directional communication between applications and the underlying network infrastructure. This vendor-agnostic book also presents several SDN use cases, including bandwidth scheduling and manipulation, input traffic and triggered actions, as well as some interesting use cases around big data, data center overlays, and network-function virtualization. Discover how enterprises and service providers alike are pursuing SDN as it continues to evolve.
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
Essential Guide to SNMP MIB Development, Use, and Diagnosis. The Simple Network Management Protocol (SNMP) allows Managers (software) to communicate with Agents (also software) on network-managed devices, to collect status, for configuration and control, and to receive unsolicited events (traps). A MIB (Management Information Base) is a file containing syntax defining data objects to be managed and traps to be sent. MIB objects and their values are the focus of the protocol. Simplicity of SNMP is the reason for its initial and continued success -- simple MIB objects define information sent using a simple message set. Yet it is flexible and scalable, used to manage small networks as well as large, distributed networks. This handbook is intended for developers (MIB and agent designers) and end-users (network engineers and IT-management specialists). It serves as an instructional manual and as a reference, and contains case descriptions, examples, practical advice, clear descriptions of standards, user exercises and quiz questions. It is an important book for anyone involved with SNMP, suitable for those new to the protocol as well as for experienced practitioners.
This book is the definitive guide to SNMP-based network and internetwork management for network administrators, managers, and designers. Concise, focusing on practical issues, and completely up to date, it covers SNMPv1, SNMPv2, and the most recent SNMPv3, as well as RMON 1 and RMON 2. The book provides an extensive discussion on standard MIBs (Management Information Bases), including MIB-II and the all-important Ethernet Interface MIB for Internet connections. In addition, the book presents RMON 1 and RMON 2 enhancements, looking at statistics collection, alarms, and filters, as well as the extensions to RMON 1 for RMON 2 devices.
Shows network professionals how to design, define, write and update useful SNMP Management Information Bases (MIBs) that support standards-based network management.Introduces SNMP MIBs, documents that contain definitions of management information which allow systems to be remotely monitored, configured and controlled. Presents a model of an SNMP-based management network and defines the SNMP management framework. Walks through the construction of MIBs, including name space organization, MIB naming, maintenance, object semantics and object style, and othe topics. Presents advanced techniques, including tables within tables, multi-table relationships and linked lists. Shows how to analyze standard MIBs. Discusses front-end and back-end MIB compilers, including SMIC, NetView/6000 SunNet Manager and HP OpenView. Includes a guide to MIB developer's resources. Anyone involved in building systems that must be compliant with the Simple Network Management Protocol (SNMP), the leading international standard for network management.
Written for those who plan, administer and manage networks and for software developers who work in a networked envoironment, this reference presents the ideas behind SNMP and explains the protocols and mechanisms. Emphasizing practical network management, this book provides descriptions of what is managed using SNMP, explaining the meaning of the information that is retrieved from TCP/IP systems, Ethernet, Token-Ring LAN or FDDI LAN interfaces, serial point-to-point, DS1 or DS3 interfaces and X.25 or frame relay interfaces. It also includes SNMPV 2
To manage a service network, managers have to control the network, the application, and the receiving devices - and that's not easy assignment. Here is a hands-on manual detailing how to design and deploy effective service management systems. This book covers everything service managers need to know: designing, systems, purchasing program software; automating applications; configuring edge devices; testing, monitoring; and measuring. It analyzes why our current network software and standards have so far been failures, and walks readers through the steps of building a complete SNMP (Simple Network Management Protocol) edge management system. It dissects and compares the many competing management protocols now in play.
Implement SNMPv3, the new network management standard -- hands-on! To manage and secure today's information systems -- and prepare for tomorrow's -- you need to master SNMPv3, the latest industry-standard protocol for managing IP networks. With David Zeltserman's Practical Guide to SNMPv3 and Network Management, you will. Accessible and authoritative, this book combines just enough theory with extensive guidance for real-world SNMPv3 deployment. Coverage includes: * New SNMPv3 framework, textual conventions, and message format * Leveraging SNMPv3's powerful security features, including authentication, encryption, and access control * Configuring SNMPv3 for generating notifications and proxy forwarding * Detailed examples of how to manage SNMPv3 devices * Coexistence with SNMPv1 and SNMPv2 * Practical techniques for using RMON2 to gain insight into your network * Examples for utilizing Cisco MIBs to help manage your network * Many practical insights into network management SNMPv3 and the related RMONv2 standard have a reputation for complexity, but this book cuts through the confusion, showing you the logic and simplicity beneath. Whether you're ready to deploy these technologies, or simply to understand them, you won't find a more valuable resource.
Network Management, MIBs and MPLS: Principles, Design and Implementation is the definitive guide to managing and troubleshooting enterprise and service provider networks. This in-depth tutorial from networking expert Stephen Morris delivers clear and concise instruction on networking with MIBs, SNMP, MPLS, and much more. Coverage includes SNMPv3, network management software components, IP routing, HP Openview Network Node Manager, NMS software components, among other key techniques and tools for managing large network systems.