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Lori MacVittie

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Top Stories by Lori MacVittie

Does moving to stateless microservices eliminate state in the network? One of the ways to increase scalability of services – and applications – is to go “stateless.” The reasons for this are many, but in general by eliminating the mapping between a single client and a single app or service instance you eliminate the need for resources to manage state in the app (overhead) and improve the distributability (I can make up words if I want) of requests across a pool of instances. The latter occurs because sessions don’t need to hang out and consume resources that could be used to serve other requests. Distribution should, in theory, be more even and enable better predictability. One request takes one second to respond. That’s it. This is important to “the network” because stateful services require special attention from certain types of proxies. Load balancing, for example... (more)

Where the Network Got Invited to the Party By @LMacVittie | @DevOpsSummit #DevOps #Docker #Containers #Microservices

DevOps Summit: Where the Network Got Invited to the Party At DevOps Summit NY there's been a whole lot of talk about not just DevOps, but containers, IoT, and microservices. Sessions focused not just on the cultural shift needed to grow at scale with a DevOps approach, but also made sure to include the network "plumbing" needed to ensure success as applications decompose into the microservice architectures enabling rapid growth and support for the Internet of (Every)Things. Containers and Microservices and the Network Jerome Petazzo (@jpetazzo) of Docker discussed microservices and... (more)

App Security: The Elephant in the Cloudy Room By @LMacVittie | @CloudExpo #Cloud

Okay, kids. It's time we had "that talk". You know the one, the one you've been whispering about with your friends but heretofore were afraid to actually ask about because of course everyone else knows about it and you didn't want to appear, well, not cool by admitting you didn't really know. Except they don't, or at least if they do, they aren't talking about it either. And it's really past time we talked about taking the right precautions when using the cloud. You know, how to protect your apps in the cloud from infection and attack. Yes, today we're finally going to talk about... (more)

Disposable Infrastructure for Disposable Apps By @LMacVittie | @DevOpsSummit #DevOps #Microservices

Conferences agendas. Event navigation. Specific tasks, like buying a house or getting a car loan. If you've installed an app for any of these things you've installed what's known as a "disposable mobile app" or DMA. Apps designed for a single use-case and with the expectation they'll be "thrown away" like brochures. Deleted until needed again. These apps are necessarily small, agile and highly volatile. Sometimes existing only for a short time - say to support an event like an election, the World Cup or a music festival - or existing for a long time on the "server" side, but not... (more)

Software Is Eating IT By @LMacVittie | @DevOpsSummit [#DevOps #Containers #Microservices]

Software is eating the world. Everywhere you look there's an app for that. And I'm talking everywhere - including places and activities that maybe there shouldn't be an app for. No, I won't detail which those are. The Internet is your playground, I'm sure you can find examples. The point is that software is eating not just the world of consumers, but the world of IT. While most folks take this statement to mean that everything in IT is becoming software and the end of hardware is near, that's not really what it's saying. There has to be hardware somewhere, after all. Compute and ... (more)