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What a Virtual Network Looks Like: Services

In the past, services have been the direct product of cooperative behavior of systems of network devices. The devices communicate with each other to learn network topology, status, and the location of endpoints in a process called "adaptive discovery." This collection of adaptive processes ties...
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Quantifying Benefits of Network Virtualization in the Data Center

Network virtualization (NV) in the data center promises to improve service agility, simplify network operations, and reduce capital expenditures. One of the biggest challenges for IT professionals is to quantify the return-on-investment required to justify the costs of network virtualization and...
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open source
Kickstart your career with training on the most in-demand open source platforms and tools.

5 Cloud, Big Data, and Networking Platforms to Kickstart Your Open Source Career

A decade ago, Red Hat CEO Jim Whitehurst predicted that open source tools and platforms would become pervasive in IT. Fast-forward to today, and that prediction has come true, with profound implications for the employment market. “Today, it is almost impossible to name a major player in IT that...
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MesosCon
Hear from Chris Pinkham, VP of Engineering at Twitter about the challenges of running one of the single largest Mesos clusters known.

MesosCon Preview: Q&A with Twitter’s Chris Pinkham

As a preview to next week’s MesosCon, we spoke with Chris Pinkham, VP of Engineering, Twitter, about some of the issues involved with running “one of the largest single Mesos clusters known” and why open source technology is critical to Twitter’s success. In his keynote presentation, “Platform...
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Introducing Blue Ocean: A New User Experience for Jenkins

In recent years developers have become rapidly attracted to tools that are not only functional but are designed to fit into their workflow seamlessly and are a joy to use. This shift represents a higher standard of design and user experience that Jenkins needs to rise to meet. We are excited to...
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Univa Brings Supercomputer Scheduling to Kubernetes

As the market about container scheduling heats up, Univa, workload management specialists from the high-performance computing (HPC) market, are among those entering the ring. Earlier this month, the company demonstrated Navops Command, a pluggable, automated workload placement and policy management...
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Announcing the Open Source License API

Over the last 19 years, the Open Source Initiative (OSI) has been the steward of the Open Source Definition (or OSD), establishing a common language when discussing what it means to be an Open Source license, and a list of licenses which are known to be compatible with the OSD. This is taken to its...
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Linus Torvalds Announces Linux Kernel 4.7 RC1 with a Big Change to the VFS Layer

It's Sunday, and it has been two weeks since the release of the Linux 4.6 kernel, so the time has come for Linus Torvalds to introduce us to the development cycle of the next major kernel branch. Yes, we're talking about Linux kernel 4.7, which has just received its first Release Candidate (RC)...
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3 Things Infrastructure as Code Is Not

The role of the network engineer is changing. This is not a result of DevOps, although some would claim it is. As DevOps takes center stage in organizations, it can seem like network engineers are being asked to become developers. There have been a number of talks discussing this, some of which...
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SD-WAN Demands Different Network Monitoring

ThousandEyes, a company that does network monitoring, says software-defined wide-area networking (SD-WAN) is making visibility more difficult, so it has created agent-to-agent tests to make it easier to pinpoint issues in both the forward and reverse paths. SD-WAN is becoming a popular technology...
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