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Category Archives for "Networking"

Why 802.11ax is the next big thing in Wi-Fi

I know, I know, I’ve heard it before. A new technology comes along, and it promises to be the next big thing. Consumers and businesses buy it, and what happens? It fails to live up to the hype. In my opinion, almost every iPhone release over the past five years has been that way. Sure there were some cool new features, but overall it’s not something I’d say was game changing. One technology that does promise to live up to the hype is 802.11ax, the next standard for wireless LANs. I say that because this next generation of Wi-Fi was engineered for the world we live in where everything is connected and there’s an assumption that upload and download traffic will be equivalent. Previous generations of Wi-Fi assumed more casual use and that there would be far more downloading of information than uploading. To read this article in full or to leave a comment, please click here

Why 802.11ax is the next big thing in Wi-Fi

I know, I know, I’ve heard it before. A new technology comes along, and it promises to be the next big thing. Consumers and businesses buy it, and what happens? It fails to live up to the hype. In my opinion, almost every iPhone release over the past five years has been that way. Sure there were some cool new features, but overall it’s not something I’d say was game changing. One technology that does promise to live up to the hype is 802.11ax, the next standard for wireless LANs. I say that because this next generation of Wi-Fi was engineered for the world we live in where everything is connected and there’s an assumption that upload and download traffic will be equivalent. Previous generations of Wi-Fi assumed more casual use and that there would be far more downloading of information than uploading. To read this article in full, please click here

24% off Taotronics Universal Smartphone Bike Mount – Deal Alert

The Taotronics phone mount is easy to install and features a fully adjustable viewing angle, non-slip rubber grips and a one-button phone release mechanism. It averages 4.5 out of 5 stars on Amazon (read reviews), where its list price of $16.99 has been discounted 24% to $12.99. See this deal now on Amazon.To read this article in full or to leave a comment, please click here

45% off Vastar 4-in-1 USB Charging Cable Adapter With Micro, Mini USB and Lightning – Deal Alert

This charging cable from Vastar features micro and mini USB, 30-pin and lightning connectors, making it compatible with a very wide range of newer and older smartphones, tablets, USB devices and more. Equipped with a connector for iPhone 6/6 plus, 5/5s, iPad4, iPad Air, iPad mini, USB type C for Nexus 6P, Nexus 5X, Oneplus 2, 2015 MacBook with 12" Retina Display, 2015 Google Chromebook Pixel. Micro USB connector charge for most android phones, Bluetooth headset, external batteries; Mini USB connector for some additional mobile phone models, MP3, digital cameras or other devices. The list price on this cable has been reduced 45% to just $5.99. See it on Amazon.To read this article in full or to leave a comment, please click here

Is Inter-AS MPLS VPNs commonly deployed ?

Is Inter-AS MPLS VPNs commonly deployed ? In real-life deployment which Inter-AS MPLS VPN Option is most common ? What are the use cases of Inter-AS MPLS VPNs ? This is not a theory post , I will share practical information with you.   For those who want to learn the details of Inter-AS MPLS […]

The post Is Inter-AS MPLS VPNs commonly deployed ? appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

HPE looks to put a supercomputer in space

Hewlett Packard Enterprise is preparing to send a supercomputer to where no supercomputer has gone before — into orbit. HPE and NASA have worked on what HPE calls the Spaceborne Computer for the better part of a year. It uses commercial off-the-shelf computer components, meaning it’s a fairly generic supercomputer. It’s decent — Ars Technica quotes HPE as stating it’s a 1 teraflop computer, but that wouldn’t get it on the Top 500 list by a mile. The Spaceborne Computer is built on HPE's Apollo 40 system, a high-density server racks that houses the compute, storage and networking in one case, much like a hyperconverged system. HPE Apollo is typically used for data analytics and high-performance computing (HPC). To read this article in full or to leave a comment, please click here

HPE looks to put a supercomputer in space

Hewlett Packard Enterprise is preparing to send a supercomputer to where no supercomputer has gone before — into orbit. HPE and NASA have worked on what HPE calls the Spaceborne Computer for the better part of a year. It uses commercial off-the-shelf computer components, meaning it’s a fairly generic supercomputer. It’s decent — Ars Technica quotes HPE as stating it’s a 1 teraflop computer, but that wouldn’t get it on the Top 500 list by a mile. The Spaceborne Computer is built on HPE's Apollo 40 system, a high-density server racks that houses the compute, storage and networking in one case, much like a hyperconverged system. HPE Apollo is typically used for data analytics and high-performance computing (HPC). To read this article in full or to leave a comment, please click here

HPE looks to put a supercomputer in space

Hewlett Packard Enterprise is preparing to send a supercomputer to where no supercomputer has gone before — into orbit. HPE and NASA have worked on what HPE calls the Spaceborne Computer for the better part of a year. It uses commercial off-the-shelf computer components, meaning it’s a fairly generic supercomputer. It’s decent — Ars Technica quotes HPE as stating it’s a 1 teraflop computer, but that wouldn’t get it on the Top 500 list by a mile. The Spaceborne Computer is built on HPE's Apollo 40 system, a high-density server racks that houses the compute, storage and networking in one case, much like a hyperconverged system. HPE Apollo is typically used for data analytics and high-performance computing (HPC). To read this article in full or to leave a comment, please click here

IDG Contributor Network: Can U.S. lawmakers fix IoT security for good?

While the Internet of Things (IoT) has carved out a comfortable place for itself in today’s society and markets, many still fear that the interconnectivity-driven phenomenon is extraordinarily vulnerable to outside attacks. A number of U.S. Senators believe they may have a solution to the problem, and have put forward the Internet of Things Cybersecurity Improvement Act of 2017.What are the exact details of the text of the bill, and how does it intend to secure one of the most diverse and unregulated assets of the economy? What potential pitfalls stand in the bills way, and how much of a chance does it have of becoming law? An analysis of the IoT Act reveals that it’s a healthy step in the right direction, but it may not be enough.To read this article in full or to leave a comment, please click here

IDG Contributor Network: Can U.S. lawmakers fix IoT security for good?

While the Internet of Things (IoT) has carved out a comfortable place for itself in today’s society and markets, many still fear that the interconnectivity-driven phenomenon is extraordinarily vulnerable to outside attacks. A number of U.S. Senators believe they may have a solution to the problem, and have put forward the Internet of Things Cybersecurity Improvement Act of 2017.What are the exact details of the text of the bill, and how does it intend to secure one of the most diverse and unregulated assets of the economy? What potential pitfalls stand in the bills way, and how much of a chance does it have of becoming law? An analysis of the IoT Act reveals that it’s a healthy step in the right direction, but it may not be enough.To read this article in full or to leave a comment, please click here

IDG Contributor Network: Can U.S. lawmakers fix IoT security for good?

While the Internet of Things (IoT) has carved out a comfortable place for itself in today’s society and markets, many still fear that the interconnectivity-driven phenomenon is extraordinarily vulnerable to outside attacks. A number of U.S. Senators believe they may have a solution to the problem, and have put forward the Internet of Things Cybersecurity Improvement Act of 2017.What are the exact details of the text of the bill, and how does it intend to secure one of the most diverse and unregulated assets of the economy? What potential pitfalls stand in the bills way, and how much of a chance does it have of becoming law? An analysis of the IoT Act reveals that it’s a healthy step in the right direction, but it may not be enough.To read this article in full or to leave a comment, please click here

IDG Contributor Network: Why AI is more important than big data for IoT development

While the development of the internet of things has revolutionized heavy industry, online shopping, localized data collection and virtually every other aspect of modern life and business, innovators are still struggling over the future of the IoT, and how they’ll get there. While many see big data as the driving engine behind the IoT, savvy investors and entrepreneurs have shown that the real power behind the interconnectivity phenomenon is artificial intelligence.Tapping into the potential of AI won’t be easy for innovators, but doing so will be far more profitable for the IoT’s future than relying on big data alone. As programmed intelligence grows to new and greater heights, its ability to optimize the IoT will only be enhanced.To read this article in full or to leave a comment, please click here

IDG Contributor Network: Data centers: at the center of growth

Data center REITs have returned more than 100 percent over the last two years. Crown Castle recently purchased Lightower for one of the highest per fiber mile prices ever. What is driving the growth? Isn’t everyone using the cloud?The data center is still the safest place to store and process your data. The data center is where the cloud resides. Cross connect capabilities like connections to financial markets, exchanges, Bloomberg, Reuters, and even cloud providers like AWS and Azure make data centers more functional for companies looking to take advantage of their geography.Geography impacts latency as light can only travel between two distances within a set span of time governed by physics. Tony Soprano said it best when talking about Real Estate to his son Anthony Junior, “Buy land AJ, ‘cause God ain’t making any more of it.” That couldn’t be more true about data centers. Areas like Ashburn, Virginia, are data center hot spots because of low taxes, bandwidth availability, and proximity to Washington, D.C. and New York.To read this article in full or to leave a comment, please click here

IDG Contributor Network: Data centers: at the center of growth

Data center REITs have returned more than 100 percent over the last two years. Crown Castle recently purchased Lightower for one of the highest per fiber mile prices ever. What is driving the growth? Isn’t everyone using the cloud?The data center is still the safest place to store and process your data. The data center is where the cloud resides. Cross connect capabilities like connections to financial markets, exchanges, Bloomberg, Reuters, and even cloud providers like AWS and Azure make data centers more functional for companies looking to take advantage of their geography.Geography impacts latency as light can only travel between two distances within a set span of time governed by physics. Tony Soprano said it best when talking about Real Estate to his son Anthony Junior, “Buy land AJ, ‘cause God ain’t making any more of it.” That couldn’t be more true about data centers. Areas like Ashburn, Virginia, are data center hot spots because of low taxes, bandwidth availability, and proximity to Washington, D.C. and New York.To read this article in full or to leave a comment, please click here

IDG Contributor Network: Data centers: at the center of growth

Data center REITs have returned more than 100 percent over the last two years. Crown Castle recently purchased Lightower for one of the highest per fiber mile prices ever. What is driving the growth? Isn’t everyone using the cloud?The data center is still the safest place to store and process your data. The data center is where the cloud resides. Cross connect capabilities like connections to financial markets, exchanges, Bloomberg, Reuters, and even cloud providers like AWS and Azure make data centers more functional for companies looking to take advantage of their geography.Geography impacts latency as light can only travel between two distances within a set span of time governed by physics. Tony Soprano said it best when talking about Real Estate to his son Anthony Junior, “Buy land AJ, ‘cause God ain’t making any more of it.” That couldn’t be more true about data centers. Areas like Ashburn, Virginia, are data center hot spots because of low taxes, bandwidth availability, and proximity to Washington, D.C. and New York.To read this article in full or to leave a comment, please click here

IoT hype cycle antidote: Sitting with the engineers

Google’s former HR chief, Jonathan Rosenberg recounts in his book How Google Works a story about CEO Larry Page’s response to an MBA employee’s PowerPoint product plan. Page told the MBA, “Go sit with the engineers.”Page’s point: An effective new product plan can be created only if the engineering details are understood.Along this line of thinking, I spoke with Joe Biron, Internet of Things CTO at PTC, because the company has staked its future on IoT, and Biron has a decade of IoT engineering experience. PTC’s mature businesses, mechanical design, and product lifecycle management are closely related to the company’s industrial IoT business, where the company is focused for growth.To read this article in full or to leave a comment, please click here

Concept of Local Preference in BGP : BGP Attribute

Today I am going to talk about the BGP attribute which is widely used in many of the enterprise networks. BGP attribute name "Local Preference" is used for controlling outbound traffic in the network. It actually used when we have two different paths and want to select the preference path then we are going to use the local preference by putting the higher local preference value to the route.
Local Preference is not local to the router, the local preference attribute is part of the routing update and is exchanged among routers in the same AS. So if you applied local preference in your network it will effect the network part which is under same AS.

We have two different method to apply the local preference in the network. The one way is to use the bgp default local-preference command and the other way is by using the route-map to set the local preference. I will cover the configuration part of the both the ways in the network.

Below is the basic topology where we are using the local preference in the enterprise network. The topology and the IP addresses uses here below is for the demo purposes and has Continue reading
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