Network Observations
Monitoring the trends in network and application performance
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Network Hotdish
Moving to Minnesota a few years ago was the first time I encountered the Hotdish Divide. Its an invisible line separating North Dakota and Minnesota from the rest of the U.S. by virtue of culinary terminology. In my former existence well south of Albert Lea, casserole wasnt something I ever contempl …
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Extending Retrospective Analysis to the Edge & Midmarket
Earlier this week we announced the release of the GigaStor 2TE, a two terbayte version of the GigaStor retrospective network analysis(RNA) appliance. The two-terabyte appliance captures and stores every network packet and transaction for replay, troubleshooting, and reporting. Unlike traditional tr …
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Network Management Links 2008-06-04
Devices Lag Behind Mobile Networks - What good is a fast network, if wireless devices cant keep pace? Good piece of research from Mikael Ricknäs appearing in InfoWorld. Mobile network bandwidth is increasing quickly, with some operators supporting 14.4Mbps transmission using HSPA (High-Speed Packet …
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Monitoring Avaya IP Telephony
In the worlds of VoIP and IP Telephony (IPT), there isnt really a one size fits all best-practices model for monitoring performance and call quality. Depending upon whether youre talking about Cisco or Avaya solutions, how you optimally monitor a call changes. This post deals specifically with moni …
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Network Management Links 2008-05-29
Ethernet at 35 - With the official birthday of Ethernet considered to be May 22, 1973, Jeff Caruso takes a stroll down memory lane. Who would have ever imagined hitting 10 Gigabit speeds in 1973 or even 1993? Its amazing how far ethernet has come. Renewable Energy and the Data Center - With many sta …
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QoS and Unified Communications
Looking at the title, you might wonder what do I mean by Unified Communications. I am often annoyed by the use of this term without providing a clear definition. Its like the use of the term, Web 2.0. It vaguely refers to many applications. Unified Communications Defined Unified communications (UC) …
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Calculating VoIP Bandwidth Consumption
Determining bandwidth allocation for VoIP can be a difficult issue during the deployment process. If you underestimate, it might lead to latency issues and poor application performance. Obviously, not an option when were talking about VoIP quality. Overestimate and your company may pay for unnecessa …
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The Forces Behind 10 Gb
So earlier in the week, I spoke about the clear trend of larger companies purchasing 10 Gigabit Ethernet (10 Gb). As I mentioned in Wednesdays post on 10 Gb adoption: We’re currently at the beginning of what I think is a steady move to 10 Gb with nearly one-quarter of businesses worldwide implement …
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Network Management Links 2008-05-16
Commodity Hardware and Parallel Programming - Bill McColl, blogger for Computing at Scale, explores the tie between faster networks and parallel programming over the last 20 years. When Is the Right Time to Launch Your Own Cloud? - So Im probably more of the mainstream and less a part of the cutting …
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Enterprise Drives 10 Gb Movement
Two months ago we questioned nearly 600 IT professionals and executives about troubleshooting practices and technology adoption. Over the weekend, I had the chance to dig further into respondents answers with regard to 10 Gb (10 Gigabit Ethernet) to uncover which organizations are driving adoption. …
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IPv6 Attitudes at Interop
The inspiration for this blog came while perusing Google for Interop material when I stumbled upon the following post from Martin Levy, the director of IPv6 strategy for Hurricane Electric, an Internet backbone and colocation provider. In his post he discusses the lack of IPv6 coverage, support, and …
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Over 80% of Organizations Adopt Virtualization in 2 Years
On the first day of Interop, we joined together with NetQoS to poll 117 Interop attendees and gauge where they stood with emerging technologies. Fifty percent of the respondents were C-level or IT management. The surprise with the polling wasnt that virtualization is popular, but rather the strong e …
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Network Management Links 2008-05-07
New Directions: Emerging Computing Models: Somewhere between *NIX-style terminal services (i.e., thin client) and Windows-style PCs (i.e., fat client) is a brave new world of emerging compute models, Jon Stokes of Ars Technica covers the possibilities. Jobs Leads Best Beard in the Valley Vote: On a …
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Going Retro at Interop
So you may have noticed our absence on the blog. Being busy at Interop leaves little time for other things. Ill talk about some of our activities and what was HOT at Interop through out this week. If you were at the show, you may have seen us talking about GigaStor and the troubleshooting advantages …
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Expectations for Interop
So in a few more hours, Im hoping on a plane bound for Interop Vegas. Being my first Interop, itll be interesting to see networkers in mass from customers and competitors to reporters and bloggers. Unlike me, my Network Instruments brethren have been attending Interop for years. If youre out there c …
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Finally Time for 10 Gig
With less than a week before the big show, Jon Oltsik of ESG today offered his thoughts in CNet on the Top 5 Things on Tap at Interop. He discussed obvious trends of IT going green and virtualization, but I found his thoughts on 10-Gigabit Ethernet (10 Gb) most interesting. 10-Gigabit Ethernet. Yes, …
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The Future of IPv6
Its been a while since I had heard anything about IPv6 in the press, so it came as a bit of a surprise when I found news of IPv6 adoption in Van Dyke Softwares 5th Annual Enterprise Security Study. Denise Dubie of Network World covered the study today detailing the security problems that can keep n …
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Network Management Links 2008-04-21
Time-based Troubleshooting - The Network Performance Daily post details time-base factors to monitor that can be for keeping on top of overall network performance Radical Network Research - NetworkWorld outlines 25 R&D projects that could change the way we network Whats the State of Your Network …
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Singing the Blu-Ray Blues
SecurityDude, CISSP-ISSAP is an IT consultant, Security & Privacy Advocate and blogger at large with over 20 years IT experience. SecurityDude shares tips, tricks, and info that the average networking professional will find interesting and indispensable. As I recently learned, the upgrade path t …
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Attention IT Pros: Check out NI at Interop
So with spring time finally here, many of you are probably thinking of getting outdoors, that is of course unless youre working for a networking company. In that case, you might be focused on Interop Vegas. If you are Vegas-bound, be sure to check us out. Stop by our booth (#527) and see the latest …
Network Observations
