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Taking the driver’s seat in the App-centric journey

The app economy has taken hold of the world at lightning pace. It is as much social and cultural as it is economic. At its core is how it affects and engages the wider technology landscape. Connectivity is no longer a mere mechanism ... Read more
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The Event-Driven Data Center

#sdn #node.js Like the planets aligning, dev and the network sync up on architectural foundations so infrequently that it should be a major event One of the primary reasons node.js is currently ascending in the data center is because of its cor... Read more
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Is Cloud Built to Fail or Built to Scale?

#webperf #cloud The difference matters. A lot. There's been a growing focus on scalability as the Internet of Things has continued its rapid growth. Perhaps due in part to large online failures during periodic or individual events, perhap... Read more
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SaaS Creating Eventually Consistent Business Model

Our reliance on #cloud and external systems has finally trickled down (or is it up?) to the business. The success of SOA, which grew out of the popular Object Oriented development paradigm, was greatly hampered by the inability of architects t... Read more
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Scaling Stateful Network Devices

One of the premises of #SDN and #cloud scalability is that it's easy to simply replicate services - whether they be application or network focused - and distribute traffic across them to scale infinitely. In theory, this is absolutely th... Read more
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DNS for Communications Service Providers Part I - Scalability

I enjoy going to sporting events. I have to admit that I am a NASCAR fan and have attended several races. They are exciting and loud. The race cars seem to go faster than what it seems like when you watch a race on television. But, I do not like... Read more
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Is HTML5 the Answer to Mobile's VDI Challenge?

#HTML5 #VDI #mobile Thin is back in.  Remote display and control technology is nothing new. For decades we've had the ability to remotely access and control our desktops using a variety of technologies and protocols: X11, VNC, RDP,... Read more
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Load Balancing 101: Active-Active In the Cloud

#cloud #virtualization Why active-active is not best practice in the data center, and shouldn't be in the cloud either. Last time we dove into a "Load Balancing 101" discussion we looked at the difference between architected for... Read more
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Load Balancing 101: Scale versus Fail

#cloud Elasticity is a design pattern for scalability, not necessarily failability. One of the phrases you hear associated with cloud computing is "architecting for failure." Rather than build in a lot of hardware-level redundancy... Read more
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The Colonial Data Center and Virtualization

No, not colonial as in Battlestar Gallactica or the British Empire, colonial as in corals and weeds and virtual machines I was out pulling weeds this summer – Canada thistle to be exact – and was struck by how much its root system reminded me of... Read more
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The Next IT Killer Is… Not SDN

Neither was #cloud or #virtualization or Web 2.0 or … Every time there's a major technological shift in operational models you can hear the hue and cry from across the land of IT: the sky is falling. Our jobs are in jeopardy. Technology... Read more
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Architecting Scalable Infrastructures: CPS versus DPS

#webperf As we continue to find new ways to make connections more efficient, capacity planning must look to other metrics to ensure scalability without compromising performance. Infrastructure metrics have always been focused on speeds and... Read more
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Integration Topologies and SDN

The scalability issue with the #SDN model today isn’t that the data plane that won’t scale …it’s issues with the control plane. Reading “OpenFlow/SDN Is Not A Silver Bullet For Network Scalability” brought to light an important note that must be... Read more
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WILS: Moore’s Law + Application (Un)Scalability = Virtualization

#Virtualization was inevitable. One of the interesting side effects of having been a developer before migrating to a more network-focused view of the world* is it’s easier to understand the limitations and constraints posed on networking-based... Read more
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F5 Friday: Avoiding the Operational Debt of Cloud

#F5CLP F5 Cloud Licensing Program enables #cloud providers to differentiate and accelerate advanced infrastructure service offerings while reducing operational debt for the enterprise If you ask three different people why they are adopting... Read more
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Capacity in the Cloud: Concurrency versus Connections

#devops #cloud #ado Understanding the difference between concurrency and connections is an important step in capacity planning in public cloud environments Choosing the right size for an instance in the cloud is – by design – like choosing the... Read more
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Never attribute to technology that which is explained by the failure of people

#cloud Whether it’s Hanlon or Occam or MacVittie, the razor often cuts both ways. I am certainly not one to ignore the issue of complexity in architecture nor do I dismiss lightly the risk introduced by cloud computing through increased... Read more
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Back to Basics: Load balancing Virtualized Applications

#virtualization load balancing in a virtualized world is the same as it ever was, but different. The introduction of virtualization and cloud computing to data centers has been heralded as “transformational” and “disruptive” and “game... Read more
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Cloud Bursting: Gateway Drug for Hybrid Cloud

The first hit’s cheap kid … Recently Ben Kepes  started a very interesting discussion on cloud bursting by asking whether or not it was real. This led to Christofer Hoff  pointing out that “true” cloud bursting required routing based... Read more
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Why Layer 7 Load Balancing Doesn’t Suck

Alternative title: Didn’t We Resolve This One 10 Years Ago? There’s always been a bit of a disconnect between traditional network-focused ops and more modern, application-focused ops when it comes to infrastructure architecture. The arguments... Read more
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F5 Friday: Addressing the Unintended Consequences of Cloud

Operationally unified architectures able to leverage cloud computing without compromising on control and security are key to mitigating unintended consequences of cloud The adoption of cloud computing introduces operational challenges that... Read more
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A new Strategy for CSP Scalability and Performance

Communication service providers (CSP) are currently spending large amounts of money to deploy 4G and advanced networks. Historically CSP's have managed scaling and performance of networks by increasing bandwidth and spending more money... Read more
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The Conspecific Hybrid Cloud

Operational consistency and control continue to be a driving force in hybrid cloud architectures When you’re looking to add new tank mates to an existing aquarium ecosystem, one of the concerns you must have is whether a particular breed of... Read more
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The Conflation of Pay-as-you-Grow Hardware with On-Demand

#cloud Today’s post is brought to you by the Law of Diminishing Returns The conflation of “pay-as-you-grow” with “on-demand” tends to cause confusion in the realm of networking and hardware. This is because of the way in which networking vendors... Read more
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Moore’s (Traffic) Law

#centaur #40gbe Pop quiz time – and you get 100 geek points if you get this one right. What was the main difference between a 386SX and a 386DX? If you answered (without using Google) the data bus (16-bit for an SX and 32-bit for a DX) then... Read more
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