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Check out these great references as well: Our custom profiles repository for Wireshark Our Udemy course on Wireshark Our Udemy course on Wireless Packet capture Let me begin with a little background. At CellStream, and the Online School of Network Sciences, we have taught hundreds of Wireshark classes for general networking, voice networking, …
Complaint: Why Don’t You Allow Employees to use Wireshark? Read More »
In a recent set of email exchanges with a client, we were tackling the challenges of hiring engineers and technical staff. I can summarize the most interesting issues as follows: How do you deal with the “I want to be involved in a cutting edge, startup environment?” What constitutes valid experience? How do you ensure …
Most Service Providers have been very busy over the past several years laying fiber to the home/premise/curb. This activity has resulted in large jumps in the Internet speeds that many served customers are enjoying. Of course, the less rural you are the better, but still, even the rural providers are stretching their budgets and sewing …
Are Service Providers Watching Over Their Shoulders? Read More »
If you have been living in a cave or an island or a mountainside somewhere and have not heard, the new weapon of choice is cyber-security based. Attacking a company by wiping out it’s databases and computer files and/or spreading a virus and/or creating malware seems to be the most lethal and fearless method these …
Searching for the Root of the Network Security Issues Read More »
Many folks have heard about “Flipping the Classroom”. The Internet and the online learning tools are opening new doors to traditional training and teaching models. We have leveraged these same tools and have redefined the traditional certification training model – we call it “Flipping the Certification Model”. Let’s start with what the traditional model …
What I have always loved about technology is that what we take as given is not necessarily going to be a given in 3 or 6 or 12 months time. A great example of this is the constant evolution of Data Center technology. The most incredible growth and change has happened in the past five …
By now you have all heard of the Internet of Things (IoT) or the Internet of Everything (IoE). This term is not really new and there is an interesting history to the concept. Different folks give varying definitions but they all share a common concept and that is that this wonderful connectivity highway we call …
At CellStream, we made a nationwide tour over several years with our POTS to Pipes program. This program clearly defined what network operators (Telcos, especially the rural Telcos) needed to do to prepare themselves for the changes rapidly redefining their role in communications. POTS to Pipes 1 focused on the technical knowledge needed as well …
In 2012 and 2013, all the buzz in networking was about the emergence of Software Defined Networking (SDN). Frankly, that buzz continues in 2014 and vendors continue to refine and define their role in this market segment. Like a game of chess, the players are all stating their objectives, their product plans, and their new …
What will be the Software Defined Networking (SDN) Skills Needed? Read More »
Comcast revealed last year that it intended to deliver a special high speed option for Internet service at up to 105Mb/s. An article in USA Today reports: “Extreme 105, [will be] available to consumers in more than 40 million homes in San Francisco, Seattle, Denver, Chicago, Boston, Philadelphia, Washington, D.C., and Miami, among others. The …
**Note: all links no longer work and have been removed (sorry) On Friday, by a vote of 240-179 (click here to see how the individual representatives voted), the US House of Representatives passed H.J. Res. 37, which will stop the open Internet rules adopted by the FCC in December 2010. By using the Congressional Review …
As the terms cloud computing, cloud storage and cloud networking have become second nature to most IT people these days, not everyone understands one of the key issues for anything cloud is the Real Time performance and design of cloud infrastructure. I have been preaching the real time nature of everything we do in networking …
Virtualization is not a new concept. If you were to look at our Internet History Wiki, in the year 1972 you would read: The first version of the VM (virtual machine)/CMS) which refers to a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible systems, including …
Back in September of 2009, we launched the CellStream On-Line School (www.cellstream.com/netsci). Just this month, we gave the Online School a new name and a direct link: The Online School of Network Sciences found at http://www.netscionline.com Since that time the school has become a busy place, and the content continues to expand. Combining broadband and …
If you have ever traveled to India you know what I mean by my observation that there are a LOT of people that live in India. According to the World Bank, the India population was almost 1.2 Billion in 2010 (compared to US population of just over 300 million in July 2011). India is on …
