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Category Archives for "Networking"

Recap: How to make a Cloudflare App workshop in Austin

Cloudflare hosted a developer preview workshop in Austin for Cloudflare Apps, taught by Zack Bloom, tech lead of Cloudflare Apps. Due to popular request, we are making available the video from the workshop.


Want some ideas on what to start with? Check out the idea suggestion list on our Cloudflare Community page. It's a great idea to review our Apps documentation available here.

Want to request a Cloudflare Apps workshop in your city? Please drop a line to [email protected]

Share your works in progress and compare notes with other developers on the community forum.

Worth Reading: Ops is everyone’s job now

Distributed systems are never “up”; they exist in a constant state of partially degraded service. Accept failure, design for resiliency, protect and shrink the critical path. You can’t hold the entire system in your head or reason about it; you will live or die by the thoroughness of your instrumentation and observability tooling. You need robust service registration and discovery, load balancing, and backpressure between every combination of components. You need to learn to integrate third-party services; many core functions will be outsourced to teams or companies that you have no direct visibility into or influence upon You have to test in production, and you have to do so safely; you cannot spin up a staging copy of a large distributed system. —Charity Majors @ opensource

The post Worth Reading: Ops is everyone’s job now appeared first on rule 11 reader.

BFD is not a Fast Convergence mechanism !

BFD is not a fast convergence mechanism. BFD stands for Bidirectional Forwarding Detection. It is an important tool for the IP layer but there is a confusion in the network community about it.   BFD is a failure detection mechanism. Link and  node failures can be detected with it.   Without BFD, detection can be done at Layer […]

The post BFD is not a Fast Convergence mechanism ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Feedback: Open Networking for Large-Scale Networks

Got this feedback from a network architect attending the Open Networking for Large-Scale Networks webinar:

I used the webinar when preparing for a meeting/discussion with a NOS SW-vendor. In the meeting, my knowledge was completely up-to-speed & I was on the level with the vendor in the discussion! :-)

Obviously, Russ White and Shawn Zandi did a great job based on their real-life hands-on experience (they use whitebox switches @ LinkedIn).

Cisco ASAv Vagrant Box Install

This blog covers how to install Cisco ASAv boxes for use with Vagrant. Cisco does not provide an ASAv Vagrant box on Vagrant cloud but it is possible to create a Vagrant boxes out of the ASAv VMware ova. As you will see it is a bit more involved but well worth the effort. This post assumes...

IDG Contributor Network: Is WAN Optimization Dead?

As an ever present staple of technology in the inventory of any major enterprise, WAN optimizers have begun to lose their luster. While there are still probably thousands in widespread use throughout the world, evolution has conspired to put them on the endangered species list. Do you remember thicknet, thinnet, or token ring? Yup! That kind of endangered! Continue reading

IDG Contributor Network: Is WAN Optimization Dead?

As an ever present staple of technology in the inventory of any major enterprise, WAN optimizers have begun to lose their luster. While there are still probably thousands in widespread use throughout the world, evolution has conspired to put them on the endangered species list. Do you remember thicknet, thinnet, or token ring? Yup! That kind of endangered! Continue reading

IDG Contributor Network: Is WAN Optimization Dead?

As an ever present staple of technology in the inventory of any major enterprise, WAN optimizers have begun to lose their luster. While there are still probably thousands in widespread use throughout the world, evolution has conspired to put them on the endangered species list. Do you remember thicknet, thinnet, or token ring? Yup! That kind of endangered! Continue reading

Worth Reading: Web archiving and the importance of context

One of the most basic tenants of all data science is that data doesn’t exist in a vacuum, it is the result of a massive pipeline of explicit and implicit decisions, yet so much of the output of the data science world proceeds as if data can be cleanly separated from the contexts in which it is created. Nowhere is this more apparent than the world of web archiving. —Kalev Leetaru @ Forbes

The post Worth Reading: Web archiving and the importance of context appeared first on rule 11 reader.

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