I'm in New York City this week to live blog the Open Networking User Group (ONUG) Fall 2015 conference and cover a Tech Field Day Extra.
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I will be presenting at the Cisco Connect Canada tour in Edmonton and Calgary on November 3rd and 5th, respectively. My presentation is about that three letter acronym that everyone loves to hate: SDN :-)
I will talk about SDN in general terms and describe what it really means; what we’re really doing in the network when we say that it’s “software defined”. No unicorns or fairy tales here, just engineering.
Next I’ll talk about three areas where Cisco is introducing programmability into its data center solutions:
Below are the notes I made for myself while researching these topics and preparing for the presentation. At the bottom of this post is a Q&A section with some frequently asked questions.
This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter’s approach.
The cost and scalability benefits of cloud computing are appealing, but cloud applications are complex. This is because they typically have multiple tiers and components that utilize numerous technologies; as a result, applications can end up scattered across a variety of execution environments. To ensure successful cloud application deployment and management, the key is to use application-defined automation tools.
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It’s Thursday, it’s 9am and…straight in to sessions. No keynote today, which is no bad thing considering these days are long!
The previous two days have consumed a huge amount of hours from sessions, keynotes and side meetings, some planned and some impromptu. This event really is the place to be if you want to speak to industry figure heads representing both vendors and consumers.
It was great to wander the market place hall, with some stands really paying attention to their interpreted understanding of the enterprises and their desire to access the OpenStack technology. This ranged from companies providing optimised tower (desktop style) servers, through to IBM showing off OCP blueprinted servers, which in turn provides a standard compute architecture. Not everyone company or organisation has a server room that wants to take advantage of OpenStack, nor do they necessarily have the skill to tie the components together. Interesting approaches all round!
Miranits, Canonical and Red Hat were present, for each tip of the consumer triangle, being: instant access, guided automation and tool-box.
Instant Access
Mirantis offer the easy access approach, or ‘low bar’ if that’s more familiar as an ‘easy’ term. As a set of steps: Install Continue reading
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Matt’s article is well worth reading, but once you’re finished reading it —
It’s well worth remembering when dealing with different load balancing solutions (like most other things in life) that the right answer is, “it depends.” In this case, do you need TCP anycast, or can you use DNS based load sharing? It depends not only on how effective each one is, but also what sort of application you’re working with. Many apps designed for smart phones don’t use DNS at all, so some form of anycast or appliance based solution are all you have. Between these two, anycast is often just as viable a solution if your network is designed to handle it correctly.
In the end, all three solutions — anycast, DNS, and appliance based — are viable options. Which one you should choose just all depends.
The post Reaction: DNS versus anycast appeared first on 'net work.
Juniper Networks also launches new switch at inaugural NXTWORK show
The acquisitions continue as big IT firms collect cloud pieces.
This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter’s approach.
In major metropolitan areas and smaller cities alike, governments are adopting software-defined networking (SDN) and network function virtualization (NFV) to deliver the agility and flexibility needed to support adoption of “smart” technologies that enhance the livability, workability and sustainability of their towns.
Today there are billions of devices and sensors being deployed that can automatically collect data on everything from traffic to weather, to energy usage, water consumption, carbon dioxide levels and more. Once collected, the data has to be aggregated and transported to stakeholders where it is stored, organized and analyzed to understand what’s happening and what’s likely to happen in the future.
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Discover new ways to manage WAN services with maturing SD-WAN technologies & Nuage Networks' VNS.
