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Jim Metzler
Jim has a broad background in the IT industry. This includes serving as a software engineer, an engineering manager for high-speed data services for a major network service provider, a product manager for network hardware, a network manager at two Fortune 500 companies, and the principal of a consulting organization. In addition, Jim has created software tools for designing customer networks for a major network service provider and directed and performed market research at a major industry analyst firm. Jim’s current interests include both cloud networking and application and service delivery. Jim has a Ph.D. in Mathematics from Boston University.
An essential guide to managed SD-WAN services
Although many organizations might take a DIY approach to SD-WAN, there are strong reasons for taking a managed services approach. Here’s why.
SD-WAN Benefits: More Than Eliminating MPLS
Most of the discussion to date on the benefit of SD-WANs has focused on how an SD-WAN enables a network organization to reduce or eliminate its spend on expensive MPLS circuits.That is clearly an important benefit. However, as many...
Reinventing the WAN
While some organizations continue to make use of WAN services such as Frame Relay and ATM, the use of those services is quickly diminishing. As a result, we are rapidly approaching a time when IT organizations will have only two WAN...
Survey shows growing interest in SDN, where and how companies might deploy the tech
Software Defined Networking has been a hot subject for a few years now, and from the beginning the discussion correctly pointed out that a key characteristic of SDN is the separation of at least some of the data control plane from the...
SDN and Network Virtualization: A Reality Check
The Software Defined Networking movement is still evolving, but profiles of SDN users are becoming more clear and we’re getting a bead on some of the common evaluation criteria companies are using to gauge how to go forward.
Planning for SDN
Software-defined networking (SDN) is the hottest thing going today, but there is considerable confusion surrounding everything from the definition of the term to the different architectures and technologies suppliers are putting...
Complete guide to network virtualization
There are a number of emerging and proposed standard protocols focused on optimizing the support that data center Ethernet LANs provide for server virtualization. Several of these protocols are aimed at network virtualization via the...
Are you ready for networking in the cloud?
The two primary forms of public cloud computing, Infrastructure-as-a-Service (IaaS) and Software-as-a-Service (SaaS), are both growing dramatically in popularity. Over the last few years, the primary focus of the IaaS providers has...
Convergence - The "Final Frontier"
So here we are. After more than 13 years and considerably more than 1,300 semi-weekly newsletters, it's time to move on to alternate assignments and alternate communications modes. And if pressed to single out a trend that, more than...
And what about IP?
As we continue to wind down this series of newsletter, we still have two opportunities to look back and forward. In this next-to-last newsletter, we will tackle the question of the future of IP.
Connectivity - Still an issue
As mentioned in the last newsletter, this newsletter will be going away at the end of September, so we're taking a quick look back at some of the major changes we've seen over the past 13-plus years. And while there is no way that we...