About Lisa Huff

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Lisa Huff is Principal Analyst at Discerning Analytics with nearly 30 years’ experience in the data center and electronics industries. She is also Chief Technology Analyst for DataCenterStocks.com and Telecom Director for Bishop & Associates, Inc. Her expertise is in data centers, data communications cabling and connectivity, networking equipment and optical components. Lisa has produced over 30 industry publications.

As mentioned in my last post, data center interconnect (DCI) is a growing market for the entire optical value chain – from carriers to optical component suppliers. Standard OTN, DWDM, Carrier Ethernet or legacy SONET/SDH platforms alone cannot address the high-bandwidth, low-power, low-cost and high-density demands of DCI. As a result, many network equipment manufacturers (NEMs) have developed specific solutions to address it. Some of the most common solutions are described below ...
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Data centers have become the largest target client sector for equipment manufacturers and components suppliers over the past ten years. Yet many of these vendors still do not understand that when it comes to data centers, none are the same. And, while there are large categories of data centers, within them there can be much variation in networking needs. In fact, some of the largest data centers network asset acquisition trends have changed drastically in this time period. For this first post in a series, we examine the large categories of data centers and what their data center interconnect (DCI) requirements are ...

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Many equipment vendors use the terms software-defined networking (SDN) and network functions virtualization (NFV) interchangeably. However, these technologies are different and are used in different parts of the network. NFV is virtualizing device functionality, while SDN is developing standard interfaces and orchestration between devices. SDN was conceived in the campus network. Technology researchers wanted to be able to test applications without having to manually update software on every network device. So, they developed a “programmable” network by separating control and forwarding functions, centralizing control and using well-defined interfaces – application programming interfaces. This concept was then extended to the data center where server virtualization was already implemented. Installations of SDN-enabled equipment have started and are now becoming mainstream in local area networks (LANs). NFV was developed by service providers in order to accelerate the introduction of new services on their networks. Traditionally, communications service providers (CSPs) have designed proprietary equipment, which has made it cumbersome to quickly provision new services ...
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“The New Network Edge” is nomenclature developed by some telecommunications and data center industry participants to describe what they see as a new paradigm in networking – getting content delivery closer to the end user and away from bottlenecked major peering points. The Internet started with just four major peering points centered in major metropolitan and technology areas in the US – Chicago, New York City, Washington D.C. and Palo Alto, California ...
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Posted by Lisa Huff on March 12, 2015

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The Internet started as a way to communicate electronically, but has grown into something that is now the foundation of nearly every business. In the early 1990s when e-mail was just starting to catch on in enterprises, no one imagined that two decades later we would be making purchases and watching full-length movies on our Smartphones. This change in content and the burgeoning of Internet devices have stressed communications networks worldwide. None more so than the edge of the data center network, where the delivery of the content starts ..
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