How Do You Choose Which WAN Vendors To Talk To?
How Do You Choose Which WAN Vendors To Talk To?
/ Apr 15, 2015 0 COMMENTS

If you’re thinking of updating your WAN I have good news and bad news. The good news is that there is a wide range of new functionality being introduced into the market that can form the basis for a new generation of enterprise WANs. The bad news is that without an effective strategy for analyzing…

How Do You Pull Together a WAN Project Team?
How Do You Pull Together a WAN Project Team?
/ Apr 6, 2015 0 COMMENTS

There is absolutely no doubt that it has been a very long time since there were any fundamental changes to enterprise WAN design. There is also no doubt that there is a broad breadth of WAN-related functionality currently being introduced into the marketplace. This has to leave many network organizations wondering: How do I go…

What Are The Next Steps In A WAN Redesign?
What Are The Next Steps In A WAN Redesign?
/ Mar 18, 2015 0 COMMENTS

Most of the network organizations that I work with realize that they have the same basic WAN design as they did 5 to 10 years ago. They also realize that there is a lot of WAN-focused technology being brought to market. That leaves these organizations asking a critical question: How do I get from where…

What Is A Next-Generation WAN?
What Is A Next-Generation WAN?
/ Mar 11, 2015 0 COMMENTS

In one of my last two blogs I discussed how a software defined WAN will automate the configuration of WAN edge routers and enable a WAN with multiple links to automatically reallocate traffic based on changing network conditions. In the other I discussed some of the WAN design options that the Open Networking User Group…

How Should You Be Thinking About Your WAN?
How Should You Be Thinking About Your WAN?
/ Mar 2, 2015 0 COMMENTS

For a twenty year period that began in the mid-1980s the enterprise WAN went through a series of transitions, starting with Time Division Multiplexing (TDM) based on T1 access and then moving on to Frame Relay, ATM, and finally to MPLS. Unfortunately, over the last decade there hasn’t been a new transmission service introduced into…

SD-WAN To The Rescue
SD-WAN To The Rescue
/ Feb 16, 2015 0 COMMENTS

Sofware-Defined WAN (SD-WAN) technologies are a hot topic right now in the networking world. Here we have a case of two extremes coming together. One extreme is the WAN, which has seen little fundamental development in roughly a decade. The other extreme is Software-Defined Networking (SDN), which has been a focal point for massive development…

Should Enterprise Take a Big Bang Approach To NFV?
Should Enterprise Take a Big Bang Approach To NFV?
/ Jan 21, 2015 0 COMMENTS

As the interest in SDN continues to increase, we are also seeing growing interest in a related network architecture: Network Functions Virtualization (NFV). Organizations that are evaluating the viability of NFV have to make a key decision early on: Should they go forward with a piecemeal approach or should they go for a big bang…

Where Do We Stand With SDN?
Where Do We Stand With SDN?
/ Jan 9, 2015 0 COMMENTS

I wrote my first analyst report on SDN back in 2012. Since then there have been more analyst reports, white papers, and blogs written on SDN than I or anybody else could ever count. The sheer volume of documents on SDN can lead networking professionals to become SDN-weary. However, since it is often the case…

The What, Why, and How of Being a Digital Business
The What, Why, and How of Being a Digital Business
/ Dec 23, 2014 0 COMMENTS

A recent article in Forbes is just the latest in a series of pieces extolling the virtues of being a digital business.  The buzz created by all of these articles raises a series of important questions:  What is a digital business?  Why do I care? What does it mean to me as a technologist? The…

Is NFV Just for Service Providers?
Is NFV Just for Service Providers?
/ Dec 9, 2014 0 COMMENTS

A lot of people that I talk to regard NFV as something of interest only to service providers. I think that perception comes in large part from the service provider orientation of some of the high-visibility organizations that have formed to drive the evolution of NFV. This includes an industry specification group (ISG) that the…