Tufin Technologies has added another arrow to its quiver to help network administrators improve firewall management and security with SecureApp, which specifically addresses the connectivity of enterprise applications. [Full Story]

One year after acquiring Force10 Networks, Dell continues to solidify its Virtual Network Architecture (VNA) while rolling out new products for its PowerConnect line.  [Full Story]

A six-hour outage for GoDaddy, one of the largest website hosting companies and domain registrars, affected thousands and possibly millions of customers earlier this week and serves as a warning for enterprises not to put their DNS eggs all in one basket. [Full Story]

Ask network admins, and they’ll tell you a virtual desktop infrastructure (VDI) can offer enterprises several benefits over traditional PCs–among them, mobility, security and manageability. Then, they’ll tell you the barriers they’ve faced toward VDI adoption–according to InformationWeek Reports’ “Informed CIO: VDI Snake Oil Check,” they range from the inability to work when disconnected from the network to initial costs and a lack of ROI. And then there’s storage. [Full Story]

Riverbed Technology unleashed a volley of new product announcements at this week’s VMworld, including integration of its Stingray Traffic Manager with VMware’s vFabric Application Director.  [Full Story]

Quest Software joined a growing number of vendors offering a single tool to back up and recover data on both physical and virtual servers with the release this week of its vRanger 6.0. [Full Story]

SIP and IPv6 will get along, but the transition from IPv4 will be a challenge, as running a dual-stack environment will not always work on devices with limited memory and operating systems that support only one version of IP. [Full Story]

Two companies have partnered to deliver what they claim is a unique method for keeping a lid on temperatures while conserving water and electricity. Inertech and Skanska’s Mission Critical Center of Excellence have developed an energy-efficient cooling platform called eOPTI-TRAX that extends a data center’s “free cooling” zone.  [Full Story]

Dell Inc. announced today it’s buying enterprise management software firm Quest Software Inc. The company said the $2.4 billion move will expand its software portfolio and better position it to meet the end-to-end IT infrastructure needs of enterprises of all sizes.

Aliso Viejo, Calif.-based Quest was started in 1987 and serves more than 100,000 customers worldwide, including 87% of the Fortune 500. The company has approximately 3,850 employees and operates 60 offices in 23 countries. [Full Story on Network Computing]

Gary Hilson is a writer, editor and digital media specialist for hire. He lives in Toronto.