Selecting a Branch Office Box
Selecting a Branch Office Box
/ Nov 20, 2012 0 COMMENTS

There is no doubt that there is a lot of discussion in the industry about redesigning the data center. While that is certainly an important topic, IT organizations also need to spend some time thinking about redesigning their branch offices in part to respond to the increasing availability of virtual networking functionality. It is helpful…

What Do Software-Defined Networks mean to the WAN?
What Do Software-Defined Networks mean to the WAN?
/ Oct 17, 2012 0 COMMENTS

In early October, at the Interop conference in NYC, I gave a one-hour presentation on the impact of cloud computing on the network. That presentation highlighted the stark differences between the LAN and the WAN.  For example, the LAN, particularly the data center LAN, is undergoing dramatic change. As part of that change, IT organizations…

The Return of the Mainframe
The Return of the Mainframe
/ Oct 2, 2012 0 COMMENTS

Starting in the late 1950s and lasting for several decades, the most common form of computing was based on mainframe computers. The first major blow to the dominance of mainframes came from the broad deployment of distributed computing based on the deployment of mini computers and the second blow came from the even broader development…

The Changing IT Organization
The Changing IT Organization
/ Sep 13, 2012 0 COMMENTS

The pace of technological change is typically quite rapid.  However, in most cases. a change in technology doesn’t cause a change in either the goals or the roles of the IT organization. For example, the ongoing adoption of continually higher speed Ethernet hasn’t changed how IT organizations design data center LANs nor has it changed…

The Software-Defined Data Center
The Software-Defined Data Center
/ Sep 4, 2012 0 COMMENTS

VMware hosted its US-based user conference in San Francisco last week. Entitled VMworld, the conference had roughly 20,000 attendees and over 280 vendors set up booths in the exhibit hall, making it one of the largest vendor conferences in the IT industry. In addition to its sheer scale, the conference was interesting both in terms…

Choosing a Virtual WOC
Choosing a Virtual WOC
/ Aug 16, 2012 0 COMMENTS

In my last blog I pointed out that the network is the last major component of IT to be virtualized. However, recent events, such as VMware’s acquisition of Nicira for US $1.26 billion, are dramatic proof-points that network virtualization is gaining traction. Given what has happened to other components of IT, such as servers, that…

If You Want Agility, Virtualize the Network
If You Want Agility, Virtualize the Network
/ Aug 6, 2012 0 COMMENTS

In my last blog, I discussed how there is pressure on IT organizations to become increasingly agile and to move away from an organizational culture in which seemingly every project takes at least six to nine months to complete. Part of the stress that IT organizations are feeling comes from the fact that most businesses…

End of the Ubiquitous Six to Nine Month IT Project
End of the Ubiquitous Six to Nine Month IT Project
/ Jul 19, 2012 0 COMMENTS

I used to work in Digital Equipment Corporation’s (DEC’s) corporate IT organization at a time when DEC had roughly 125,000 employees worldwide. In hindsight, most of the time I was at DEC was spent going to meetings. For example, for one stretch of about two years, I was one of several participants in a weekly…