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Category Archives for "Networking"

12 Practical Tips for Entry-level Job Seeker and Interns in Tech

It’s been almost 25 long years since I started my bachelor’s degree, some 17 years since I began my master’s degree, and around 15 years since I decided to leave a Ph.D. scholarship behind and go back to full-time professional work. Many things have changed, yet one thing has remained the same: the race among […]

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Discover Cloud Networking and Security with VMware at Mobile World Congress 2023

They say you should work smarter, not harder. We agree, which is why we’ll be showcasing work at MWC 2023 that brings efficiency and intelligence to modern networking designed to help businesses thrive in the digital era through telco-friendly, smarter networking solutions.

Keep reading for a preview of what to expect from the VMware Networking and Security team at the event – and join us in person in Hall 3, stand 3M11, to check out the latest innovations in cloud networking and security for yourself.

Smarter, More Efficient Networks

The overall vision that we’ll be displaying in Barcelona at Mobile World Congress from February 27 to March 2 focuses on two key concepts – increasing network efficiency and generating value through smart networking solutions.

Specifically, we’ll be displaying:

  • Technology that enhances the Telco Efficiency of Communications Service Provider networks by guiding customers in boosting network density and reducing energy usage. Visit our booth to learn how optimizing the technology stack helps cut costs and enhance service flexibility.
  • Solutions for building Smarter Networks by leveraging breakthroughs in RAN to Edge to Core Networks and creating programmable settings that Communications Service Providers can leverage to provide advanced next-generation services. These elevated service Continue reading

Broadcom, VMware extend deadline to complete acquisition by 90 days

Software and semiconductor maker Broadcom and its acquisition target VMware have agreed to give themselves another 90 days to complete the $61 billion acquisition they announced on May 26, 2022.  A regulatory filing by enterprise cloud vendor VMware showed that both the companies had delivered a mutual notice to extend the final date of the merger to twelve months from the day the deal was announced.To read this article in full, please click here

Broadcom, VMware extend deadline to complete acquisition by 90 days

Software and semiconductor maker Broadcom and its acquisition target VMware have agreed to give themselves another 90 days to complete the $61 billion acquisition they announced on May 26, 2022.  A regulatory filing by enterprise cloud vendor VMware showed that both the companies had delivered a mutual notice to extend the final date of the merger to twelve months from the day the deal was announced.To read this article in full, please click here

Why Aren’t There More Technical MBAs?

This weekend I was listening to the latest episode of the Art of Network Engineering podcast featuring Russ White. Russ is one of those guests that has a breadth of knowledge outside of technology that colors the way he looks at things in the realm of enterprise IT. Plus he’s a fun interview.

One of the questions he asked was around the idea of technical MBAs. For those that might not know, MBA stands for Masters of Business Administration, which is a post-graduate college business degree. An MBA is widely regarded as a way to put yourself on a track to be a manager for a company in some capacity. An MBA is punching a ticket to be a future CEO. Why does it seem like the number of MBAs coming out of prestigious business schools don’t have a technical background then?

Where the Action Is

I’m going to quote liberally from a book I’ve been reading called The Personal MBA by Josh Kaufman. In it, Kaufman lays out the reasoning behind using his book to study the principles behind the information given in MBA classes instead of spending $200,000 to go to a business school for two years for Continue reading

Start Multiple netlab Labs on the Same Server

A heavy netlab user sent me an email along these lines:

We’re running multiple labs in parallel on the same server, and we’re experiencing all sorts of clashes like overlapping management IP addresses. We “solved” that by using static device identifiers in our labs, but I’m wondering if there’s a better way of doing it?

That’s exactly the sort of real-life challenges I love working on, so it wasn’t hard to get me excited, and the results are bundled in netlab release 1.5.

Read more …

Weekend Reads 021723


In Emoi Services LLC v. Owners Insurance Company, the Ohio Supreme Court recently found software is an intangible item that cannot experience direct physical loss or damage and, therefore, the plaintiff’s inability to access or use its software during a ransomware attack was outside the scope of its “businessowners” policy.


Searching Google for downloads of popular software has always come with risks, but over the past few months, it has been downright dangerous, according to researchers and a pseudorandom collection of queries.


Here’s a provocative question: Is it possible, given the vast array of security threats today, to have too many security tools?


This debate has proved futile for two reasons. First, the characteristics of any specific application will dictate which venue is more expensive — there is no simple, unequivocal answer. Second — the question implies that a buyer would choose a cloud or on-premises data center primarily because it is cheaper. This is not necessarily the case


The RISC-V architecture looks set to become more prevalent in the high performance computing (HPC) sector, and could even become the dominant architecture, at least according to some technical experts in the field.


Major US carriers are exaggerating the availability Continue reading

Worth Reading: On ChatGPT

One of the best descriptions of what ChatGPT does and what it cannot do I found so far comes from an ancient and military historian. The what is ChatGPT and what is an essay parts are a must-read, the preparing to be disrupted conclusion is pure gold:

I do think there are classrooms that will be disrupted by ChatGPT, but those are classrooms where something is already broken.

I can’t help but think of the never-ending brouhaha about exam brain dumps.

Read more …

Heavy Networking 666: Improving Quality Of Experience With LibreQoS

Welcome to Heavy Networking! In this episode we discuss LibreQoS, a free and open source software project to help ISPs improve network latency and responsiveness and improve the Quality of Experience (QoE) for their customers. That project is LibreQoS, and it's being used by ISPs and others to ensure stable latency across networks.

The post Heavy Networking 666: Improving Quality Of Experience With LibreQoS appeared first on Packet Pushers.

The Future Of DPUs In IT Infrastructure – Packet Pushers Livestream With Dell Technologies – Video

Data Processing Units (DPUs) describe the next generation of SmartNICs. They enhance the simple NIC with compute and memory and they have an operating system to host applications and APIs for system call offloads. DPUs can accelerate networking, security, and storage capabilities on servers while preserving CPU resources for applications. The Packet Pushers hosted a […]

The post The Future Of DPUs In IT Infrastructure – Packet Pushers Livestream With Dell Technologies – Video appeared first on Packet Pushers.

What David Flanagan Learned Fixing Kubernetes Clusters

People are mean. That’s one of the first things David Flanagan learned by fixing 50+ deliberately broken Kubernetes clusters on his YouTube series, “Klustered.” In one case, the submitter substituted a ‘c’ character with a unicode doppleganger — it looked identical to a c on the terminal output — thus causing an error that led to Flanagan doubting himself and his ability to fix clusters. “I really hate that guy,” Flanagan confided at the Civo Navigate conference last week in Tampa. “That was a long episode, nearly two hours we spent trying to fix this. And what I love about that clip — because I promise you, I’m quite smart and I’m quite good with Kubernetes — but it had me doubting things that I know are not the fault. The fact that I thought a six digit number is going to cause any sort of overflow on a 64 bit system — of course not. But debugging is hard.” After that show, Klustered adopted a policy of no Unicode breaks. “You only learn when things go wrong,” Flanagan said. “This is why I really love doing Klustered. If you just have a cluster that just works, Continue reading

API Gateway, Ingress Controller or Service Mesh: When to Use What and Why

In just about every conversation on ingress controllers and service meshes, we hear some variation of the questions, “How is this tool different from an API gateway?” or “Do I need both an API gateway and an ingress controller (or service mesh) in Kubernetes?” This confusion is understandable for two reasons: Ingress controllers and service meshes can fulfill many API gateway use cases. Some vendors position their API gateway tool as an alternative to using an ingress controller or service mesh — or they roll multiple capabilities into one tool. Here, we will tackle how these tools differ and which to use for Kubernetes-specific API gateway use cases. For a deeper dive, including demos, watch the webinar “API gateway routes API requests from a client to the appropriate services. But a big misunderstanding about this simple definition is the idea that an API gateway is a unique piece of technology. It’s not. Rather, “API gateway” describes a set Continue reading

Hedge 166: Oblivious DoH with Chris Wood

DNS over HTTPS, or DoH, is designed to protect the end user’s DNS queries from last mile providers—but recursive servers (or resolvers) also have full access to what a user is asking for. How can users preserve their privacy against data collection at recursive servers? ODoH provides one answer. Listen in as Tom Ammon, Chris Wood, and Russ White discuss how ODoH works, and what this means for user privacy.

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