Worth Reading: There Is No Magic
I’m not the only one telling people not to bet the farm on Santa Claus and dancing unicorns. Pete Welcher wrote a nice blog post describing the implications of laws of physics and data gravity (I described the gory details in Designing Active-Active Data Centers and AWS Networking Deep Dive webinars).
Meanwhile, Russ White reviewed an article that (without admitting it) discovered that serverless is just software running on other people’s servers.
Enjoy!
Trump Boasts American Leadership on 5G
Trump gave his speech on 5G surrounded by a group of farmers wearing cowboy hats and cell tower...
Matt Oswalt – Speaker Bio
Photo Short Bio Matt Oswalt hails from Portland, OR, and focuses on the intersection of network infrastructure, automation, systems, and software engineering. He’s passionate about enabling engineers to evolve their careers to the next level, and sharing the bright spots that exist within the technology industry with the masses. You can often find him speaking at conferences or meetups about these topics, as well as writing about them on his blog (https://keepingitclassless.Keeping It Classless 1970-01-01 00:00:00
One thing that’s always bugged me about the whole “You’ll be out of a job in 5,10,15 years if you don’t learn programming” is this. Who cares when you’ll be OUT OF A JOB? It’s like we’re driving a car in dense fog, trying to figure out when to perfectly apply the brakes so that we don’t go over a cliff that’s SOMEWHERE in the distance. Like - the fact that we’re even having this debate is a horrible waste of time in my opinion.Alexa , AWS Lambda & AWS IOT MQTT and you can interact with anything
I hear a lot on IOT but don’t have a clue on underlying protocols. My interest is only to understand how it might help a business or more than that my personal interests. So continuing the server power on/off series I wanted to do it with Amazon echo voice command. Now, this is not a smart power switch where you can power-on with a command on Echo but you actually have to send a message to IDRAC, we already covered this in a previous post.
Well, the main goal isn’t to power-on a server that can be done manually as it sits beside me, the main goal is to extend this to any business / personal ideas which might get the benefit.
Summary – Develop a small interactive model to understand Alexa voice service / AWS lambda and MQTT so that we can get a feel of what can be achieved with this.
I will not go much into any tech explanations or bore you with English, I will put here two screenshots and code to git, hopefully, you should be able to give it a try.
Its illustrated in 6 steps
- Voice command to echo (I have made Continue reading
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Heavy Networking 441: Active Network Testing And Service Assurance With Netrounds (Sponsored)
On today’s Heavy Networking we talk with sponsor Netrounds about measuring network performance and user experience through active testing. Netrounds' software generates synthetic traffic to measure actual performance of critical services, provides assurance that KPIs are being met, and identifies where problems occur.
The post Heavy Networking 441: Active Network Testing And Service Assurance With Netrounds (Sponsored) appeared first on Packet Pushers.
Failure Analysis: An Interesting way to Break CAPWAP
I recently stumbled into what I think is a very interesting failure scenario with a Cisco Wireless solution. This was a traditional controller based solution that leveraged a CAPWAP data and control plane. The symptoms were fairly consistent and strange.
Symptoms:
- When issues are occurring, all uploads reduce to about 1.5Mb/s
- Installing a new AP seems to solve the issue
- Issue re-occurs in a few minutes
- Issues only occur for one specific site
- Wireless is configured consistently across 5 sites
- RF is not an issue
Topology:
When I got involved with this, a few people had reviewed the configuration and TAC had been involved for some time. While on-site, I took a look at RF and channel utilization (expecting to find it to be ugly since I knew it was heavily dependent on 2.4Ghz). My first order of business was to spin up a test AP in its own group and advertise a test SSID on a 5Ghz channel. Upon doing so, both iPerf and Speedtest were >50Mb/s. My initial thought was that the density needed to be increased and the radios tweaked to get more clients on 5Ghz. However, a few minutes into my testing–my upload also Continue reading
Intent-Based Networking Resources
Every now and then I get a question along the lines of I’m your subscriber and would like to know more about X, so I decided to start creating technology-specific pages on www.ipSpace.net that would include links to most relevant ipSpace.net blog posts, webinars, sections in our online courses, and interesting third-party resources.
The subscriber triggering this process asked me about Intent-Based Networking, so here’s the relevant resources page.