Hadoop Platform Raised to Knights Landing Height

It would be surprising to find a Hadoop shop that builds a cluster based on the high-end 68+ core Intel Knights Landing processors—not just because of the sheer horsepower (read as “expense”) for workloads that are more data-intensive versus compute-heavy, but also because of a mismatch between software and file system elements.

Despite these roadblocks, work has been underway at Intel’s behest to prime Knights Landing clusters for beefier Hadoop/MapReduce and machine learning jobs at one of its parallel computing centers at Indiana University.

According to Judy Qiu, associate professor of intelligent systems engineering in IU’s computing division, it is …

Hadoop Platform Raised to Knights Landing Height was written by Nicole Hemsoth at The Next Platform.

Cumulus content roundup: August

It’s time for another Cumulus content roundup! To bring you some of our favorite think-pieces about open source networking trends, both from our website and around the Internet, we’ve wrangled all the links into one convenient spot. From virtual network optimization to private clouds to hyperscale data centers, we’ve got all of the best topics covered. Take a look at these exciting new developments, and let us know what you think in the comments section below.

 

Cumulus Networks’ latest and greatest

Private cloud vs. public cloud: If you’re getting ready for a data center refresh or thinking about moving to a private cloud, this article is for you. We break down the major differences, benefits and use cases between each type of cloud environment, giving you the information you need to make the right choice for your organization. Read on and find out if it’s time for you to switch to a private cloud.

Monash University video: How did Cumulus Networks manage to migrate Monash University’s entire data center in just two weeks? Senior Consulting Engineer Eric Pulvino breaks it down for you and explains how Cumulus was able to do the impossible. Watch the video to learn more.

Continue reading

Thirteen Fellows to Attend AfPIF 2017

The Internet Society will support thirteen fellows to attend the 8th African Peering and Interconnection Forum (AfPIF), scheduled for 22 – 24 August, 2017 in Abidjan, Cote d’Ivoire.

The AfPIF fellowship program is designed to offer opportunities for qualified applicants to attend the event. The fellows come from: Uganda, Rwanda, Tanzania, Ghana, Gambia, Mauritius, Democratic Republic of Congo, Morocco, Togo, Burkina Faso, Senegal, Lesotho, and Sudan. The annual event brings together governments, policy makers, technical experts and business leaders to discuss African Internet infrastructure challenges, including capacity, regional and national Internet Exchange Point (IXP) development, local content development, and connectivity.

Betel Hailu

IDG Contributor Network: SDN and a life beyond the death of the internet

For decades, enterprises have relied on the public internet for business-critical SaaS applications and data traffic. The reason why is pretty simple: it’s cost-efficient, it’s easy to use and it’s already there. Compare that to the logistical, financial and implementation challenges of installing an alternative private network, and it’s clear why enterprises have been pretty content with the internet for their entire digital lives.But, it’s 2017. And, if there’s one thing clear about the public internet today, it’s that it no longer cuts it. Rampant DDoS attacks and other cyber threats posed by hackers, rogue employees and nation-states have not just revealed the security, reliability and transparency cracks in the public internet — they’ve blown them wide open.To read this article in full or to leave a comment, please click here

IDG Contributor Network: SDN and a life beyond the death of the internet

For decades, enterprises have relied on the public internet for business-critical SaaS applications and data traffic. The reason why is pretty simple: it’s cost-efficient, it’s easy to use and it’s already there. Compare that to the logistical, financial and implementation challenges of installing an alternative private network, and it’s clear why enterprises have been pretty content with the internet for their entire digital lives.But, it’s 2017. And, if there’s one thing clear about the public internet today, it’s that it no longer cuts it. Rampant DDoS attacks and other cyber threats posed by hackers, rogue employees and nation-states have not just revealed the security, reliability and transparency cracks in the public internet — they’ve blown them wide open.To read this article in full or to leave a comment, please click here

IDG Contributor Network: SDN and a life beyond the death of the internet

For decades, enterprises have relied on the public internet for business-critical SaaS applications and data traffic. The reason why is pretty simple: it’s cost-efficient, it’s easy to use and it’s already there. Compare that to the logistical, financial and implementation challenges of installing an alternative private network, and it’s clear why enterprises have been pretty content with the internet for their entire digital lives.But, it’s 2017. And, if there’s one thing clear about the public internet today, it’s that it no longer cuts it. Rampant DDoS attacks and other cyber threats posed by hackers, rogue employees and nation-states have not just revealed the security, reliability and transparency cracks in the public internet — they’ve blown them wide open.To read this article in full or to leave a comment, please click here

IDG Contributor Network: SDN and a life beyond the death of the internet

For decades, enterprises have relied on the public internet for business-critical SaaS applications and data traffic. The reason why is pretty simple: it’s cost-efficient, it’s easy to use and it’s already there. Compare that to the logistical, financial and implementation challenges of installing an alternative private network, and it’s clear why enterprises have been pretty content with the internet for their entire digital lives.But, it’s 2017. And, if there’s one thing clear about the public internet today, it’s that it no longer cuts it. Rampant DDoS attacks and other cyber threats posed by hackers, rogue employees and nation-states have not just revealed the security, reliability and transparency cracks in the public internet — they’ve blown them wide open.To read this article in full or to leave a comment, please click here

IDG Contributor Network: SDN and a life beyond the death of the internet

For decades, enterprises have relied on the public internet for business-critical SaaS applications and data traffic. The reason why is pretty simple: it’s cost-efficient, it’s easy to use and it’s already there. Compare that to the logistical, financial and implementation challenges of installing an alternative private network, and it’s clear why enterprises have been pretty content with the internet for their entire digital lives.But, it’s 2017. And, if there’s one thing clear about the public internet today, it’s that it no longer cuts it. Rampant DDoS attacks and other cyber threats posed by hackers, rogue employees and nation-states have not just revealed the security, reliability and transparency cracks in the public internet — they’ve blown them wide open.To read this article in full or to leave a comment, please click here

SecureNet: Simulating a Secure Network with Mininet

I have been working with OpenStack(devstack) for a while and I must say it is quite convenient to bring up a test setup using devstack. At times, I still feel it is an overkill to use devstack for a quick test to verify your understanding of the network/security rules/routing etc. This is where Mininet shines. … Continue reading SecureNet: Simulating a Secure Network with Mininet

NSX-Powered Credit Union Shifts Focus to Speed and Innovation

Personal banking sure isn’t what it used to be. Thankfully.

When is the last time you went to a bank? My trips are so infrequent that I actually enjoy the experience as a change of pace. That’s because normally, I get to transfer money or deposit a check not only online, but from my phone. And things in the banking sector aren’t slowing down, they’re speeding up, as new digital upstarts create competition and a pressure to innovate and make customers’ lives easier.

Still, not too long ago, the banking industry was still feeling the shockwaves of the financial crisis. Investments across the industry were tight, meaning more had to be done with less – a story many of us who have had roles in IT can relate to. So when Amy Hysell took on the role of CIO at the Arizona Federal Credit Union (AZFCU), she decided to take a fresh approach. To compete in this fast-moving industry, she stepped back and took a look at on how to enable speed and innovation, while keeping security as the top priority, and also without sacrificing cost efficiency.

Fast forward to today, and a peek at some of AZFCU’s services quickly Continue reading

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  • Enterprise-Grade Database Architecture. The speed and enormous scale of today’s real-time, mission critical applications has exposed gaps in legacy database technologies. Read Building Enterprise-Grade Database Architecture for Mission-Critical, Real-Time Applications to learn: Challenges of supporting digital business applications or Systems of Engagement; Shortcomings of conventional databases; The emergence of enterprise-grade NoSQL databases; Use cases in financial services, AdTech, e-Commerce, online gaming & betting, payments & fraud, and telco; How Aerospike’s NoSQL database solution provides predictable performance, high availability and low total cost of ownership (TCO)

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Worth Reading: NVMe for Data Centers

The Non-Volatile Memory Express (NVMe) specification defines a new method to access solid-state drives (SSDs) over a PCIe bus, and it’s forecasted to grow exponentially over the next few years thanks to its performance advantages and lower latencies compared with legacy protocols (such as SATA). NVMe-enabled storage infrastructures are not only seeing wide deployment, but they’re now entering other data center areas that were once typically reserved for legacy HDDs and SSDs. NVMe has become an agent for next-generation data centers. To understand this evolution, it’s important to review the history and examine some of the new application workloads that are being transformed by this protocol. —Anand Jayapalan @ The Data Center Journal

The post Worth Reading: NVMe for Data Centers appeared first on rule 11 reader.

BGP Attribute : Multi-Exit Discriminator or Known as MED

Today I am going to talk about the other BGP attribute which is widely used for the inbound traffic to come in to your network. MED is generally set by the service provider and the lower value of the MED will be selected as a preference route for incoming traffic into the network.

MED attribute is exchanged between ASs, but a MED attribute that comes into an AS does not leave the AS. When an update enters the AS with a certain MED value, that value is used for decision making within the AS. When BGP sends that update to another AS, the MED is reset to 0.

MED is called as optional non-transtive attribute and the router compares MED attributes for paths from external neighbors that are in the same AS. Hope you got the exact point of the MED use in the BGP enabled network. Lets take an topology and the configuration part of the MED. The topology and the IP addresses showing in this example is taken only for the demo purposes and have no relevance with any of the live or the enterprise network.

Fig 1.1- BGP Attribute- MED
 Configurations on Router A  
1 … 1,960 1,961 1,962 1,963 1,964 … 3,857