Tag Archives: FMECA

Rocky Mountain Information Security Conference (RMISC)

I recently attended the Rocky Mountain Information Security Conference (RMISC), a rather impressive and unique gathering that prompted several relevant notions. First, about the conference. Looking around the room, I saw about 1000 attendees. This conference is in its 10th … Continue reading

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I hava a cold. Did I fail?

When a person gets ill, say from a cold like the one I have right now, we tend to slow down, maybe have trouble focusing, or otherwise performing certain tasks. Clearly we function, but not as well as we would … Continue reading

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What is the cure for Diversity Fever?

Everyone seems to have diversity fever. We want to improve the reliability of our engineered solution, or the availability of a network, so we add redundancy, make sure we have diverse access to the service, and so on. Diversity is … Continue reading

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Capacity Management, Failure Mitigation, and Where to Start?

Standard mitigation tools are a great place to start with Capacity Management, just like any failure mitigation need. As a telecommunications and IT consultant, we’re often called upon to solve problems. I remember some of my early training that suggested … Continue reading

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Reliability Society Denver Section Meeting on Reliability Based Steel Sheet Pile Assessment

On Thursday, November 29th, the Denver Section of the IEEE Reliability Society enjoyed an evening of professional discussions and networking, with a very interesting technical talk from Dr. Rui Liu, a drawing for a book by Gregg Hobbs, and pizza … Continue reading

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Reliability Society Denver Section Meeting on Network Reliability and Prognostics

On Friday, October 26th, the Denver Section of the IEEE Reliability Society held a technical meet at the Tivoli Building of the University of Colorado-Denver. Our newest Chair, Dr. Jason W. Rupe, presented his observations and work on the advances … Continue reading

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FMECA with Wireshark

Returning from Sharkfest, I found that my laptop’s configuration must have changed. The laptop, running Windows 7 home version, was now not able to see a few of the non-windows machines on my network, including the NAS. Assuming the cause … Continue reading

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Network availability and performability modeling tricks

I read a lot, and I mean a lot, of network reliability, availability, and performability papers. The ones we publish in the IEEE Transactions on Reliability, I read multiple times. So there are a lot of relationships that go unnoticed, … Continue reading

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Otherwise coherent networks become incoherent when capacity is concerned

See the network in Figure 1 below. Source node 1 fails, which from a pure availability perspective disrupts only traffic originating or terminating at node 1 because all other nodes can still communicate. So a coherent network (as is the … Continue reading

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QBQ! and engineering

Engineers who solve problems (which had better be all of us!) can benefit from the concept of QBQ! create by John G. Miller (www.qbq.com). A common tool for solving engineering and business problems is root cause analysis. More specifically in … Continue reading

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