SIP is the most important VoIP protocol and OpenSIPS is clearly the open source leader in VoIP platforms based on pure SIP. The whole telecommunication industry is changing to an IP environment, and telephony in the way we know today will disappear in less than ten years. SIP is the protocol leading this disruptive revolution and it is one of...

is a best-of-breed Cisco® exam study guide that focuses specifically on the objectives for the CCNP® SWITCH exam. Network architect and best-selling author Dave Hucaby shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your...

This book brings together all the information you need to design and deploy scalable, transparent application acceleration, WAN optimization, and branch...

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In a modern home, it is no longer unusual for family members to own multiple computers and network devices. In most houses, you can find at least a desktop computer, which is generally used for more performance-intensive tasks such as gaming or professional work of any kind. Parents bring home their work laptops or notebooks, which they...

The world of enterprise routing with Juniper Networks devices is getting very exciting—new technologies, products, and network developments are making the enterprise network environment one of the most dynamic places to be. However, we, the authors, hope to focus that energy by providing you with a detailed and practical...

For a long time, I was very happy building Ethernet networks, working with switches and then moving to 802.11. It took awhile, but eventually I realized that the world of interconnected networks cannot be reached with Layer 2 alone. In addition, as you spread your wings from the Layer 2 broadcast domains, you encounter the wonders of...

Whether you've been successfully hacked already, else...

This course is the official courseware for the Security Certified Program SC0-451 certification exam. The Tactical Perimeter Defense course is designed to provide network administrators and certification candidates with hands-on tasks on the most fundamental perimeter security technologies. The network perimeter is often the first...

I what has happened in that time. We have seen the transformation of the Web from a small experiment to a World Wide phenomenon. We have seen the emergenceof voice over IP and peer-to-peer content sharing. We have seen technology speed up a hundred-fold, the emergence of broadband to the home, and the rise of botnets and other horrid security...

At 90 nm, wires account for nearly 75% of the total delay in a circuit. Even more insidious, however, is that among nearly 40% of these nets, more than 50% of their total net capacitance are attributed to the cross-coupling capacitance between neighboring signals. At this point a new design and optimization paradigm based on real wires is...