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Feedback: Kubernetes Networking Deep Dive

Here’s what one of the engineers watching Stuart Charlton’s Kubernetes webinar wrote about it:

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VMware’s Antrea Brings Programmable Networks to Kubernetes

VMware’s Antonin Bas and

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5 Tips for Building a Cloud Security Architecture

Building a cloud security architecture is no easy task. You need to address your organization's security policies, relevant compliance standards, and security best practices while contending with the high complexity and dynamic nature of cloud infrastructure.

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DNS OARC 35

OARC-35 was held at the start of May. Here's some thoughts on a few presentations at that meeting that caught my attention.

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How to Make Money Selling Sneakers

If there is one thing that has managed to up the game in selling and buying it’s the sneaker bots. Sneaker bots are software that let you buy designer sneakers as soon as they are released in the market and sneakers rare and hard to find. The sneaker selling business is booming, mainly because the young generation would instead buy sneakers off a reliable market. 

The question arises, how can you make money selling sneakers? If brands are selling their sneakers at fill prices, how can you, an independent business, make money selling them? The answer to this simple query is sneaker bots. Sneaker bots help provide the customer with a place where they can go online and get rare and collectable sneakers at an affordable and profitable rate to you as a business owner. 

How to Make Money Selling Sneakers

To understand how you can make money selling sneakers, it is necessary to see the different sneaker bots that may help you get there. Here are a few of the most famous bots that can work in your favour if you are a new business looking to venture into the word of selling new and rare sneakers. Continue reading

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Worth Watching: Rethinking BGP in the Data Center

Ever since draft-lapukhov was first published almost a decade ago, we all knew BGP was the only routing protocol suitable for data center networking… or at least Thought Leaders and vendor marketers seem to be of that persuasion.

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Worth Watching: Rethinking BGP in the Data Center

Ever since draft-lapukhov was first published almost a decade ago, we all knew BGP was the only routing protocol suitable for data center networking… or at least Thought Leaders and vendor marketers seem to be of that persuasion.

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Worth Exploring: Working with Linux VRFs

I remember having an interesting discussion about Linux VRFs (as opposed to namespaces) with Dinesh Dutt years ago, but it looks like I never turned it into a blog post.

Now I won’t have to 😉 – Jon Langemak published an excellent Working with Linux VRFs deep dive.

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Worth Exploring: Working with Linux VRFs

I remember having an interesting discussion about Linux VRFs (as opposed to namespaces) with Dinesh Dutt years ago, but it looks like I never turned it into a blog post.

Now I won’t have to ? – Jon Langemak published an excellent Working with Linux VRFs deep dive.

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When Hardware Drives Software Upgrades

What’s your favorite version of Microsoft Windows? Is it Windows 10? Maybe it’s Windows XP? Windows 95? Odds are good that you have one version you appreciated more than most. Windows XP, Windows 7, and Windows 10 tend to rank high on the list. Windows ME and Windows 8 seem to rank pretty low. Yet, for all their impressive love and all the users clinging to them we don’t really use anything other than Windows 10 any more.

You might be tempted to say that the OS isn’t supported any longer so there’s no reason to run it. Yet we still drive vehicles that are no longer under warranty. We still buy classic cars that are older than we are and put parts in them to keep them running. Why is software different? What drives us to keep needing to upgrade our programs?

You might be shocked to learn that the most popular reason to upgrade software is, in fact, driven by hardware. It’s not the memory requirements or the fancy new user interface that drives people to move to the new platform. More often than not it’s because a new piece of hardware has requirements that only work on Continue reading

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Heavy Networking 579: How Arrcus Enables Network-as-a-Service For 5G Edge/Access Networks (Sponsored)

Today on Heavy Networking, we talk with sponsor Arrcus about its support for segment routing and the impact it will have on the wider network market, particularly for 5G networks. Our guests from Arrcus are Keyur Patel, CTO and Co-Founder; and Murali Gandluru, Vice President, Product Management.

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Heavy Networking 579: How Arrcus Enables Network-as-a-Service For 5G Edge/Access Networks (Sponsored)

Today on Heavy Networking, we talk with sponsor Arrcus about its support for segment routing and the impact it will have on the wider network market, particularly for 5G networks. Our guests from Arrcus are Keyur Patel, CTO and Co-Founder; and Murali Gandluru, Vice President, Product Management.

The post Heavy Networking 579: How Arrcus Enables Network-as-a-Service For 5G Edge/Access Networks (Sponsored) appeared first on Packet Pushers.

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Cloud Networking As A Service Case Study With Koch – Packet Pushers LiveStream With Alkira (Video 3)

Koch Business Solutions provides IT services for businesses within Koch Industries. The company implemented a cloud-first modernization plan several years ago. At the time, the organization built transport hubs to get huge datasets and workloads into the cloud, but realized it was still coupled to a data center approach. The Packet Pushers’ Drew Conry-Murray speaks […]

The post Cloud Networking As A Service Case Study With Koch – Packet Pushers LiveStream With Alkira (Video 3) appeared first on Packet Pushers.

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Weekend Reads 052121

One of the major takeaways from the Web Globalization Report Card is the importance of providing “front doors” to your localized websites.

If you want to break into datacenter compute in a sustainable way, it takes the patience of a glacier. And not just any glacier, but one that predates the Industrial Revolution.

35 million phone numbers are disconnected every year in the U.S., according to the Federal Communications Commission. Most of these numbers are not disconnected forever; after a while, carriers reassign them to new subscribers.

Researchers on Tuesday disclosed a novel malware that uses a variety of tricks to stay under the radar and evade detection, while stealthily capable of executing arbitrary commands on infected systems.

As a cybersecurity professional, I relate to those old movie scenes where a character is starting to lose it, someone delivers a firm face slap, and the first character pulls it together, saying, “Thanks, I needed that.”

Our passwords can say a lot about us, and much of what they have to say is unflattering. In a world in which all databases — including hacker forums — are eventually compromised and leaked online, it can be tough for cybercriminals Continue reading

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Google Hints About Its Homegrown TPUv4 AI Engines

Google may be buying heavens only knows how many GPUs to run HPC and AI workloads on its eponymous public cloud, and it may have talked recently about how it is committed to the idea of pushing the industry to innovate at the SoC level and staying out of designing its own compute engines, but the company is still building its own Tensor Processing Units, or TPUs for short, to support its TensorFlow machine learning framework and the applications it drives within Google and as a service for Google Cloud customers. …

Google Hints About Its Homegrown TPUv4 AI Engines was written by Timothy Prickett Morgan at The Next Platform.

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First Look at “Frontier” Supercomputer’s Storage Infrastructure

Oak Ridge National Lab’s forthcoming “Frontier” supercomputer will be blazing a multitude of new trails when it goes live in 2022. …

First Look at “Frontier” Supercomputer’s Storage Infrastructure was written by Nicole Hemsoth at The Next Platform.

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Do Private Data Centers Make Sense Anymore?

What becomes of private data centers as hybrid architecture continues to evolve and redefine the norm?

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Cisco SD-WAN

Table of Contents

Chapter 1: Setting Up On-Prem Controllers 1

    Introduction 1

    Configuring IOS-XE Certification Server 2

    Enabling HTTP Server and NTP 2

    Certificate Server Configuration 2

    vManage Configuration 4

    System Information 6

    VPN Configuration 6

    Certification enrollment 8

    vBond Initial Configuration 15

    System Information 17

    VPN Configuration 18

    Certification enrollment 19

    vSmart Initial Configuration 25

    System Information 26

    VPN Configuration 26

    Certification enrollment 27

    Control Connection Verification 33

Continue reading

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CDN-Cache-Control: Precision Control for your CDN(s)

Today we are thrilled to announce our support of a new set of HTTP response headers that provide surgical control over our CDN’s caching decisions. CDN-Cache-Control allows customers to directly control how our CDN behaves without affecting the behavior of downstream or upstream caches.

You might be thinking that this sounds a lot like the Cache-Control header we all know and love. And it’s very similar! CDN-Cache-Control has exactly the same directives as the Cache-Control header. The problem CDN-Cache-Control sets out to solve is that with Cache-Control, some directives are targeted at specific classes of caches (like s-maxage for shared caches), while other directives are not targeted at controlling any specific classes of intermediary caches (think stale-while-revalidate). As these non-specific directives are returned to downstream caches, they’re often not applied uniformly. This problem is amplified as the number of intermediary caches grows between an origin and the client.

For example, a website may deploy a caching layer on the origin server itself, there might be a cache on the origin’s network, the site might use one or more CDNs to cache content distributed throughout the Internet, and the visitor’s browser might cache content as well. As the response returns Continue reading

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How to use the help command: 2-Minute Linux Tips

In this Linux tip, learn how to use the help command. It's a command that provides useful information on bash "builtins". Those are commands that are built into, in other words "part of" the bash shell, not executables on their own.