Download E-books VBR Video Traffic Models (Focus) PDF

By Savera Tanwir

There was a stupendous progress in video purposes during the last few years. a correct site visitors version of Variable Bit fee (VBR) video is critical for functionality review of a community layout and for producing artificial site visitors that may be used for benchmarking a community. a lot of versions for VBR video site visitors were proposed within the literature for various different types of video long ago two decades. the following, the authors have categorized and surveyed those versions and feature additionally evaluated the versions for H.264 AVC and MVC encoded video and mentioned their findings.

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Download E-books Virtual Private Networks PDF

By Mike Erwin, Charlie Scott, Paul Wolfe

Historically, in basic terms huge businesses might come up with the money for safe networks, which they produced from dear leased traces. Smaller parents needed to make do with the particularly untrusted web. these days, even huge businesses need to cross outdoors their inner most nets, simply because such a lot of humans telecommute or log in whereas they're at the street. How do you supply a reasonably cheap, safe digital community to your organization?The answer is a digital deepest community: a suite of applied sciences that creates safe connections or "tunnels" over ordinary net lines--connections that may be simply utilized by anyone logging in from at any place. a couple of items now exist that will help you enhance that solution.This publication tells you ways to plot and construct a VPN. It begins with common issues like expenses, configuration, and the way a VPN suits in with different networking applied sciences like firewalls. It keeps with exact descriptions of the way to put in and use VPN applied sciences which are to be had for home windows NT and Unix, comparable to PPTP and L2TP, Altavista Tunnel, Cisco images, and the safe shell (SSH).New good points within the moment variation comprise SSH, that is a favored VPN answer for Unix structures, and an increased description of the IPSec regular, for which numerous owners have introduced support.Topics include:

  • How the VPN compares to different to be had networking technologies
  • Introduction to encryption, firewalls, the IPSec usual, and different applied sciences that allow VPNs work
  • Point to indicate Tunneling Protocol (PPTP) and L2TP
  • The Altavista Tunnel
  • The Cisco pics Firewall
  • Secure Shell (SSH)
  • Maintenance and troubleshooting

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Download E-books Communicating Process Architectures 2008; WoTUG-31 - Volume 66 Concurrent Systems Engineering Series PDF

By P.H. Welch, S. Stepney, F.A.C. Polack, F.R.M. Barnes, A.A. McEwan, G.S. Stiles, J.F. Broenink, A.T. Sampson

Speaking procedure Architectures 2008 comprises the lawsuits of the thirty-first speaking technique Architectures convention (CPA 2008) geared up below the auspices of WoTUG and the dept of desktop technology of the collage of York. the purpose of this ebook is to hide either theoretical features and commercial functions of speaking tactics. invited audio system have given very good contributions to this subject. Professor Samson Abramsky has labored within the components of semantics and good judgment of computation, and concurrency. His paintings on video game semantics considers interplay and knowledge circulation among a number of brokers and their atmosphere. This has yielded new methods to compositional model-checking and to research for courses with nation, concurrency, likelihood and different beneficial properties. Professor Colin O'Halloran has been instrumental within the uptake of formal tools within the improvement and verification of excessive coverage platforms on an commercial scale. His examine pursuits are in automating using formal equipment, and utilizing those ideas at moderate expense and on an business scale.

IOS Press is a world technology, technical and clinical writer of top quality books for lecturers, scientists, and execs in all fields.

a few of the parts we post in:

-Artificial intelligence
-Databases and knowledge systems
-Maritime engineering
-All facets of physics
-The wisdom economy
-Urban studies
-Arms control
-Understanding and responding to terrorism
-Medical informatics
-Computer Sciences

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Download E-books SMS 2003 Administrator's Reference: Systems Management Server 2003 PDF

By Ron D. Crumbaker

  • Systems administration Server (SMS) 2003 is Microsoft's centralized management device that IT departments use to remotely install functions, observe protection patches, and supply IT and software program stock administration and asset control
  • Each bankruptcy contains a activity and an summary for what's to be complete, in addition to the performance that's required, the instruments or scripts which are helpful, and the perfect results
  • A universal surroundings is gifted during the textual content to permit readers to familiarize yourself with it as they boost during the chapters
  • Featured projects contain standardizing and replicating website settings, and software program stock, software program metering, reporting software program updates, and troubleshooting

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Download E-books Twisted Network Programming Essentials PDF

By Jessica McKellar

Get began with Twisted, the event-driven networking framework written in Python. With this introductory advisor, you’ll research the most important techniques and layout styles to construct event-driven shopper and server purposes for lots of renowned networking protocols. You’ll additionally examine the instruments to construct new protocols utilizing Twisted’s primitives.

Start by means of construction simple TCP consumers and servers, after which concentrate on deploying production-grade purposes with the Twisted program infrastructure. alongside the best way, you could play with and expand examples of universal projects you’ll face whilst development community purposes. If you’re conversant in Python, you’re prepared for Twisted.

  • Learn the center parts of Twisted servers and clients
  • Write asynchronous code with the Deferred API
  • Construct HTTP servers with Twisted’s high-level internet APIs
  • Use the Agent API to advance versatile internet clients
  • Configure and install Twisted companies in a strong and standardized fashion
  • Access databases utilizing Twisted’s nonblocking interface
  • Add universal server parts: logging, authentication, threads and procedures, and testing
  • Explore how you can construct consumers and servers for IRC, renowned mail protocols, and SSH

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Download E-books Security Sage's Guide to Hardening the Network Infrastructure PDF

This can be the single laptop ebook to concentration thoroughly on infrastucture protection: community units, protocols and architectures. It bargains certain assurance of community layout so directors know the way they need to layout and guard their organisations. community defense publishing has boomed within the final a number of years with a proliferation of fabrics that concentrate on a number of components of the firm.

* this is often the single machine e-book to concentration thoroughly on infrastucture protection: community units, protocols and architectures
* It deals specified assurance of community layout so directors know the way they need to layout and shield their enterprises
* is helping offer genuine useful options and never simply history thought

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Download E-books Dojo: Using the Dojo JavaScript Library to Build Ajax Applications PDF

Dojo deals net builders and architects a robust JavaScript toolkit for quickly constructing powerful Ajax functions. Now, for the 1st time, there’s an entire, example-rich developer’s consultant to Dojo and its starting to be library of prepackaged widgets. Reviewed and recommended via the Dojo beginning, the creators of Dojo, this e-book brings jointly all of the hands-on assistance and confirmed code samples you want to be triumphant.


Expert net developer James E. Harmon starts off by way of demonstrating tips on how to “Ajax-ify” present functions and pages with Dojo, including Ajax gains akin to buyer- and server-side validation as speedy and nondisruptively as attainable. subsequent, he offers in-depth insurance of Dojo’s person interface, shape, format, and really expert Widgets, displaying how they paintings and the way to exploit them such a lot successfully. one of the Widgets, he covers intimately: Date Pickers, wealthy textual content Editors, combination containers, Expandable Outlines, and plenty of others.


In end, Harmon introduces the Dojo toolkit’s strong features for simplifying Ajax improvement. He completely explains Dojo’s helper features, shortcuts, and specific equipment, illuminating every one characteristic with examples of the JavaScript difficulties it could possibly remedy. This section’s far-ranging assurance contains strings, JSON help, occasion dealing with, Ajax remoting, Dojo and the DOM, checking out, debugging, and lots more and plenty extra. All resource code examples are supplied on a significant other website, together with resource code for a whole educational case examine application.

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Download E-books Performance Modeling and Design of Computer Systems: Queueing Theory in Action PDF

By Mor Harchol-Balter

Computers layout is stuffed with conundrums:

•Given a decision among a unmarried desktop with velocity s, or n machines each one with velocity s/n, which may still we choose?

•If either the coming cost and repair price double, will the suggest reaction time remain the same?

•Should platforms particularly goal to stability load, or is that this a handy delusion?
•If a scheduling coverage favors one set of jobs, does it unavoidably damage another jobs, or are those "conservation legislation" being misinterpreted?

•Do grasping, shortest-delay, routing innovations make feel in a server farm, or is what is sturdy for the person disastrous for the approach as a whole?

•How do excessive task measurement variability and heavy-tailed workloads have an effect on the alternative of a scheduling policy?

•How should still one exchange off strength and hold up in designing a working laptop or computer system?

•If 12 servers are had to meet hold up promises whilst the arriving expense is nine jobs/sec, do we want 12,000 servers while the arriving fee is 9,000 jobs/sec?

Tackling the questions that platforms designers care approximately, this e-book brings queueing conception decisively again to laptop technology. The booklet is written with desktop scientists and engineers in brain and is stuffed with examples from computers, in addition to production and operations examine. enjoyable and readable, the ebook is very approachable, even for undergraduates, whereas nonetheless being completely rigorous and in addition protecting a much broader span of subject matters than many queueing books. Readers make the most of a full of life mixture of motivation and instinct, with illustrations, examples, and greater than three hundred routines - all whereas buying the talents had to version, learn, and layout large-scale structures with stable functionality and coffee price. The routines are an incredible function, educating research-level counterintuitive classes within the layout of computers. The target is to coach readers not just to customise latest analyses but in addition to invent their very own.

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Download E-books Solaris Solutions for System Administrators: Time-Saving Tips, Techniques, and Workarounds, Second Edition PDF

By Sandra Henry-Stocker

  • Teaches the way to paintings clever and keep away from the various pitfalls of handling Solaris systems
  • Covers the most recent unencumber of Solaris, Solaris nine, in addition to previous versions
  • Written by way of specialists with years of Solaris experience
  • Packed with useful, hands-on ideas to tricky difficulties, displaying how one can stay away from high priced mistakes
  • Tackles coping with method functionality; the sunlight fireplace line of Solaris company servers; fitting, configuring, and patching Solaris; and making sure security

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