Monospaced Fonts and Command Line
Recently I've been on a search for a 'better' font to use in terminals. In an unrelated coincidence, I learned about anti-aliasing, I still don't understand it but it makes a difference.
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IOS: show tcp vty
On Cisco IOS, this is a very useful command "show tcp vty xx" to show TCP statistics of the VTY session. If you think your terminal is running slow because of packet loss or delay then this command will provide visibility. The other cause is the CPU/Memory running slow if you don't see any errors on the TCP (as you can see below).
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Killer Apps in the Gigabit Age | Pew Research Center’s Internet & American Life Project
Very, very funny quote in the Pew Research Report: How could people benefit from a gigabit network? One expert in this study, David Weinberger, a senior researcher at Harvard’s Berkman Center for Internet & Society, predicted, “There will be full, always-on, 360-degree environmental awareness, a semantic overlay on the real world, and full-presence massive open […]
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Network Dictionary – Invariant
I use the term "invariant" quite regularly when designing networks. It sounds fancy.
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If Cisco Could Be Split Up, What Could Go ?
Following the breakups of IBM and HP as they divest the low profit divisions and EMC under a some pressure to disband the Federation, the same question is often raised about Cisco but what could go ?
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Last Chance at Chassis Switch Saloon
In recent network designs, the big, hot and heavy chassis switch has become the last option for a number of reasons. Switch Performance and Capacity. Port Density In the past, the most common decision for buying a chassis has been port density. A chassis backplane provides a high speed connection for the line cards to […]
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Big Problems Often Require Big Solutions
You can ignore big problems but they need big solutions to remove them from the agenda.
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Poster: Life Dashboard
I wish my life was like this dashboard where I could turn all the knobs to ten but I can't.
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Corsa Adds BGP, Proves OpenFlow In Hardware Scales
A constant refrain from vendors and software makers is that OpenFlow technology doesn't scale, is too complex, and doesn't work in hardware. Startups like Corsa are proving them wrong.
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I Challenge Me And You To 30 Blogs in 30 days
There are many people who are dissatisfied with the social media platforms. I am too. I'm challenging myself to blog 30 times in 30 days to highlight the blog as the best social media platform.
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Blessay: Human Infrastructure Poverty & Over-Capitalisation In The Enterprise – Part 2
Is Enterprise IT starving its operational process by reducing headcount and overcapitalising on assets ? If so, what arguments can we make for or against this idea ? Part 2 of an essay on investing in people instead of equipment.
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Rant: Oh, You Want It To Work As Well ?
When we spend millions of dollars on a network product we don't actually expect it to work. That's why it is completely normal to see job advertisement for a 5 day contract engagement to perform a validation that product doesn't have any bugs. Think about the cost incurred by this company to check if this Cisco Nexus is actually fit for purpose.
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Blessay: Human Infrastructure Poverty & Over-Capitalisation In The Enterprise – Part 1
Is Enterprise IT starving its operational process by reducing headcount and overcapitalising on assets ? If so, what arguments can we make for or against this premise ?
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Dictionary: Bra-padding
Bra-padding is a term used to describe fluff marketing pieces about some relatively minor advance in product or technology. Mostly favoured by large incumbent technology vendors like EMC, Cisco etc who have an over-abundance of marketing people who need something to occupy their time.
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Musing: Cisco Buys Tail-F and Disrupts Competitor Product Development
It has been a while since Cisco acquired Tail-F but no one seems to have noticed how this acquisition impacts Cisco's competitors by upsetting the software development plans.
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Do You Really Need Investment Protection for Your Network ?
When the sales grunt talks about investment protection, its sure sign that they have run out of features, functions or value propositions to sell you. But do you really need investment protection or is it just another revenue stream for vendors (and a cost for you).
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Internets of Interest – 22 September 2014
Collection of useful, relevant or just fun places on the Internets for 22 September 2014 and a bit commentary about what I've found interesting about them:
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Response: CloudFlare Keyless SSL Means The End of Big Pipes and Load Balancers in The Data Centre
This blog post from Cloudflare should mean the end of big Internet pipes in Enterprise Data Centre with massive reductions in load balancers, IDS units and web servers.
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OpenDaylight in the Enterprise: OpenFlow and NETCONF in the right places
When using Open Daylight (ODL), two open standards for configuration are OpenFlow & NETCONF. Which is the better choice ? Is there an option for both ? A use case on when to use OpenFlow and NETCONF protocols in the Enterprise by using the best features of each protocol.
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Poster: State of SDN in 2014
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