Scott Lowe

OCTOBER 27, 2017

Networking. This is a slightly older post providing an overview of container networking , but still quite relevant. Russell Bryant has a post on Open Virtual Network (OVN) , a project within the Open vSwitch (OVS) community. specifically, the new container network firewall functionality. That’s cool.

Firewall 60

Firewall Virtualization Network Storage 60

Dataconomy

MAY 8, 2023

Here are some examples of each party’s responsibilities: CSP responsibilities: Securing the physical infrastructure, such as servers and storage devices. Under this model, the CSP is responsible for securing the underlying cloud infrastructure, including the physical servers, storage, and networking components.

Cloud 51

Cloud Security Resources Operating Systems 51

Scott Lowe

AUGUST 6, 2021

Networking. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Operating Systems/Applications.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Scott Lowe

APRIL 8, 2013

Networking. —but I wonder how much cooperation Big Switch will get from the major networking vendors with regards to OpenFlow interoperability now that Big Switch is competing even more directly with them via Switch Light. Just getting started in the networking field? Operating Systems/Applications.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Networking. Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network).

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

NOVEMBER 7, 2014

Networking. This post by Matt Oswalt—the first in a series, apparently—provides a great introduction to 5 development tools for network engineers. Matt also recently posted part 4 (of 5) in his series on SDN protocols; this post covers OpFlex and declarative networking. Operating Systems/Applications.

Vmware 69

Vmware Linux Storage Virtualization 69

CIO Business Intelligence

JANUARY 4, 2024

Having segmentation between infrastructure providing data processing and data storage is an example of a broad IT security architectural pattern. If the solution’s goal involves processing and storing data, the architect is constrained to place the pieces that will fulfill those tasks in the proper segments.

Financial 99

Financial Architecture Resources Security 99

Scott Lowe

APRIL 24, 2015

Networking. Tyler Christiansen recently published a post on a network automation workflow that was based on a presentation he gave at the SF Network Automation meetup. This article by Russell Bryant is a great overview and update of the work going on with Open Virtual Network (OVN). Operating Systems/Applications.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

MAY 12, 2016

Networking. I recently spoke at Interop 2016 in Las Vegas, and while I was there I scribbled down some notes pertaining to how decomposing applications into microservices-based architectures was similar in some respects to decomposing networks into an overlay network and an underlay (physical) network. Servers/Hardware.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

JUNE 18, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

FEBRUARY 2, 2017

Networking. Michael Kashin has a great article on how Open Virtual Network (OVN, part of the Open vSwitch project) implements virtual networks in OpenStack. In a bit of an older post from late summer 2016, Matt Oswalt outlines why network engineers should care about the network software supply chain. Good advice.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

MARCH 17, 2016

Networking. At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Here’s another topic that came up at the recent DevOps Networking Forum: Spotify’s SDN Internet Router (SIR). Here’s some information on Nuage Networks’ experimental Docker Network plugin.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

SEPTEMBER 3, 2013

Networking. A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Cisco shared some thoughts on what they termed a “software-only” approach; naturally, they have a different vision for data center networking (and that’s OK). Servers/Hardware.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

MARCH 2, 2017

Networking. Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” Tony Sangha took PowerNSX (a set of PowerShell cmdlets for interacting with NSX) and created a tool to help document the NSX Distributed Firewall configuration. Operating Systems/Applications.

Linux 60

Linux Devops Open Source Virtualization 60

Dataconomy

MARCH 28, 2023

It requires a deep understanding of the interplay between IoT devices, sensors, networks, and data science tools and techniques. An IoT ( Internet of Things ) ecosystem refers to a network of interconnected devices, sensors, and software applications that work together to collect, analyze, and share data. What is an IoT ecosystem?

Data 28

Data Storage Security Network 28

Dataconomy

MARCH 28, 2023

It requires a deep understanding of the interplay between IoT devices, sensors, networks, and data science tools and techniques. An IoT ( Internet of Things ) ecosystem refers to a network of interconnected devices, sensors, and software applications that work together to collect, analyze, and share data. What is an IoT ecosystem?

Data 28

Data Storage Security Network 28

Scott Lowe

AUGUST 16, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Virtualization Devops Vmware 60

Scott Lowe

JUNE 29, 2016

Networking. First, we have this post on HiCube, which covers MACVLAN vs. Next, we have a pair of articles by Sreenivas Makam; the first covers MACVLAN and IPVLAN basics , while the second tackles the Docker MACVLAN and IPVLAN network plugins. Operating Systems/Applications. Cloud Computing/Cloud Management.

Linux 60

Linux Network Hardware Vmware 60

Dataconomy

SEPTEMBER 12, 2023

The VM is given its own operating system and resources, but they are all contained within the host computer. Each virtualized OS has its own set of resources, such as CPU, memory, and storage, but they share the same physical hardware. Both virtual servers can access the same SATA hard drive for storage.

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

Dataconomy

JUNE 14, 2023

Many websites and peer-to-peer networks that offer pirated material often harbor malicious software or viruses that can wreak havoc on users’ devices and even steal personal information. This malware can also spread within a home or corporate network, posing a potential threat to critical business operations.

Industry 36

Industry Internet Financial Malware 36

Galido

FEBRUARY 5, 2019

Does your webhost provide redundancy, content delivery network, or have multiple datacenter locations on several continents? How much storage for backups do they provide? Ensure that your host specializes in custom firewalls for your CMS if you are using one, and updates web server scripts and systems regularly.

Backup 103

Backup Resources Security Virtualization 103

Scott Lowe

MARCH 10, 2015

Networking. I love this post from Matt Oswalt on five next-gen skills for networking pros. Anthony Burke (disclaimer: Anthony works for VMware in the NSBU) has a post on how to use Python to automate the bulk creation of firewall rules for use with the VMware NSX distributed firewall. Operating Systems/Applications.

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

APRIL 2, 2021

Networking. Ali Al Idrees has a post on using NSX ALB (formerly Avi Networks) with Kubernetes clusters in a vSphere with Tanzu environment. This post provides some examples of shared control planes (and thus shared failure domains) within networking. Operating Systems/Applications. ” Get ready to get nerdy!

Vmware 60

Vmware Firewall Storage Comparison 60

Scott Lowe

SEPTEMBER 24, 2021

Well, let’s see…stuff on Envoy, network automation, network designs, M1 chips (and potential open source variants!), Networking. Ivan Pepelnjak shares some links and thoughts on configuring the NSX-T firewall with a CI/CD pipeline built on GitHub Actions and Terraform Cloud. Operating Systems/Applications.

Open Source 107

Open Source Cloud Network Storage 107

CIO Business Intelligence

JUNE 15, 2022

Public cloud providers such as AWS, Google, and Microsoft Azure publish shared responsibility models that push security of the data, platform, applications, operating system, network and firewall configuration, and server-side encryption, to the customer. Monitored your network environment for ongoing threats?

Cloud 136

Cloud Open Source Applications Storage 136

Dataconomy

MARCH 20, 2023

It is a type of malware that can cause significant damage to computer systems and networks by replicating itself and spreading autonomously. A computer worm is a type of malware that replicates itself and spreads throughout a computer network without the need for a host program or user interaction. What is a computer worm?

System 36

System Malware Firewall Operating Systems 36

Scott Lowe

MAY 3, 2013

I try to keep the information linked to data center technologies like networking, storage, virtualization, and the like, but occasionally other items slip through. Networking. Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ).

Vmware 109

Vmware Storage Virtualization HP 109

Scott Lowe

SEPTEMBER 24, 2021

Well, let’s see…stuff on Envoy, network automation, network designs, M1 chips (and potential open source variants!), Networking. Ivan Pepelnjak shares some links and thoughts on configuring the NSX-T firewall with a CI/CD pipeline built on GitHub Actions and Terraform Cloud. Operating Systems/Applications.

Open Source 60

Open Source Cloud Network Storage 60

Scott Lowe

JUNE 4, 2013

Networking. What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. I talked before about the difference between network virtualization and SDN, so no need to mention that again.

HP 106

HP Virtualization Hardware Network 106

Dataconomy

MARCH 20, 2023

It is a type of malware that can cause significant damage to computer systems and networks by replicating itself and spreading autonomously. A computer worm is a type of malware that replicates itself and spreads throughout a computer network without the need for a host program or user interaction. What is a computer worm?

System 28

System Malware Firewall Operating Systems 28

Galido

FEBRUARY 10, 2017

When you place your resources in the cloud utilizing Microsoft as a provider of public cloud, your network which is situated in the cloud can be termed as a n Azure virtual network (Vnet). Your virtual network can be configured in a similar way as your internal on-premises network; i.e, VM with 3 NICs.

Virtualization 60

Virtualization Microsoft Firewall Network 60

Scott Lowe

OCTOBER 23, 2020

Still, there’s a decent collection of networking, cloud computing, and virtualization articles as well as a smattering of other topics for you to peruse. Networking. ” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” Operating Systems/Applications.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

JUNE 4, 2013

Networking. What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. I talked before about the difference between network virtualization and SDN, so no need to mention that again.

HP 61

HP Virtualization Hardware Network 61

Scott Lowe

DECEMBER 10, 2015

Networking. Tor Anderson has an article on using IPv6 for network boot using UEFI and iPXE. has a great blog series going called “Hey, I can DevOps my Network too!” We all know that security is more than just a host-based firewall, but a host-based firewall can be part of an overall security strategy.

Windows 60

Windows Firewall Linux Architecture 60

Scott Lowe

FEBRUARY 10, 2015

This time around, the content is a bit heavier on cloud management and applications/operating systems, but still lots of good content all the way around (I hope, anyway). Networking. Matt Oswalt recently wrapped up his 3-part “DevOps for Networking” series. tech preview of virtual networks for Docker.

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

SEPTEMBER 8, 2016

Networking. The use of VMware NSX for microsegmentation is a really popular use case, and so the topic of scripting distributed firewall (DFW) rules often comes up. Pradipta Kumar Banerjee has an article on using local storage for instances in OpenStack. Operating Systems/Applications. Then again, what do I know?

Vmware 60

Vmware Linux Intel Storage 60