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Date: 2006-05-29
Technology News:
Company News:
Defining and Understanding Virtual Private Networks and Their Protocols
L2TP? PPTP? IPSec? We'll help you figure it all out.
In this chapter from VPNs Illustrated: Tunnels, VPNs, and IPsec, you'll learn the definition of a VPN. Even with the definition, there can still be disagreement about whether a particular technology is a VPN or merely a secure application. You will see how this definition applies to PPTP and L2TP and examine the extent to which those protocols provide a robust VPN.

What's New in Storage Technology
A disk is a disk is a disk, right? Well, not necessarily.
If bits are vertical instead of horizontal, many more can live in the same space without problems — up to ten times as many. Vendors are just beginning to release drives using this perpendicular recording. But that's just the beginning of new trends in storage technology. The next generation of drives will hold a lot more data.

Getting Your Business Ready for Microsoft Vista and Office 12
A Gartner expert offers advice about what to do now — and what you can put off for a while.
It's been so long since enterprises had to perform a serious upgrade that many have lost the institutional memory on how to do so. Still, with new versions of the Windows operating system and Office suite right around the corner, it's time for you to start planning.

Acronis True Image 9.1 Enterprise Server
Quick and easy control of data backup across a network
Acronis True Image 9.1 Enterprise Server for Windows ($999) is a new version of the reliable backup application from Acronis that's just as good for consumers as it is for enterprise professionals and content creators. Now Acronis brings that easy-to-use backup confidence to the enterprise market, giving you control of backups across an entire network, and even gives you easy access to Linux machines. We wondered if this enterprise server version was as easy to use as the workstation version we tested last year, so we loaded up the software on our network and took it for a test drive.

Virtualization and Disk Performance
To Virtualize Something Means To Make Something That Doesn?t Actually Exist Appear To Exist
Essentially to virtualize something means to make something that doesnt actually (physically) exist appear to exist. Think of the context in virtual reality. Lets make a quick example of something everyone in IT is familiar with, a PC with 4 logical volumes (C, D, E, and F). In reality that desktop has one physical disk drive partitioned into 4 volumes. A logical volume is in this case a virtual drive.


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