Internet Protocol version 6 (IPv6) is the next version of the protocol that is used for communications on the Internet. IPv6 is a protocol that has been in existence for many years, but it has not yet replaced IPv4. IPv4 has some limitations that were not anticipated when it was first created. Because IPv6 overcomes many of these...

This book, Cisco Unity Connection, by Dave Schulz, hits the bull’s-eye of its intended topic: Cisco Unity Connection. This book zeroes in on the target with clarity and depth. Anyone that uses or considers using the Cisco Unity Connection product needs a copy of this book to read when planning a deployment, administering the...

Unified Communications and Collaboration is on the so-called “Hot List” in any forum wherein people are discussing communications and ways to better stay in touch. This book is aimed at explaining the concepts, ideas, and capabilities behind Presence, which is likely one of the least understood and most underestimated features in...

With the rapid adoption of Voice over IP (VoIP), many telephony and data network technicians, engineers, and designers are now working to become proficient in VoIP. Professional certifications, such as the CCNP Voice certification, offer validation of an employee’s or a consultant’s competency in specific technical...

Cisco^® Nexus switches and the new NX-OS operating system are rapidly becoming the new de facto standards for data center distribution/aggregation layer networking. NX-OS builds on Cisco IOS to provide advanced features that will be increasingly crucial to efficient data center operations. NX-OS and Cisco...

• 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...

With all the fantastic Cisco documentation available online, why does the world of UCCE need this book? UCCE is such a big topic that it would be easy to think that it is possible to try and cover absolutely everything. Unfortunately, this would turn this book into nothing more than a product reference manual that could potentially be...

Mention the word audit to IT professionals and you will probably see their eyes glaze over as they imagine frightening visions of auditors with pointy tails, pitchforks, and checklists run ning around and pointing out all of the things they have done wrong to their manager. The purpose of a security audit is not to place blame or pick...

On March 10, 1876, Alexander Graham Bell made the first successful telephone call. As with many things, the test was purely accidental. Graham spilled acid on his leg, and Watson, his assistant, heard his call for help through the telephone. So, what has changed over the last 129 years? It would be easier to discuss what hasn’t...

With the increasing focus on IT Security comes a higher demand for identity management in the modern business. This requires a flexible, scalable, and secure authentication method. Identity control is made mandatory by many public standards, such as PCI, and PKI is an essential component to set up authentication in many technologies,...