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VMware has added more security features to its forthcoming on-demand multi-cloud networking and security service called Northstar that it previewed during its August VMware Explore 2022 conference. It will include VMware services such as Network Detection and Response, NSX Intelligence, advanced loadbalancing and Web Application Firewall.
But its most intriguing component is an integrated Elba programmable data processing unit (DPU) from Pensando that helps eliminate the need for separate appliances for security and loadbalancing, for example. The 10 most powerful companies in enterprise networking 2021. To read this article in full, please click here
For those working in Windows environments, there are currently two options for setting up redundant DHCP servers: a failover scenario with a main server paired with another in hot standby; and a load-balancing scenario in which two DHCP servers actively handle client requests. [ To read this article in full, please click here
Is there a difference between network virtualization and Software-Defined Networking (SDN)? So, in a similar fashion to my post on network overlays vs. network virtualization , I thought I’d weigh in with some thoughts. With this definition in hand, let’s compare network virtualization to SDN.
With a well-planned deployment, and a good infrastructure, companies can efficiently load-balance their IT environment between multiple active, cloud-based, sites. So, if one site should go down – users would transparently be balanced to the next nearest or most available data center. . Networking. Comments (required).
They manage dedicated firewalls for us, but as far as loadbalancers we use the cloud. I wasn’t sure cloud loadbalancing would be right, for example, but they showed us the numbers. Networking. Featured Cloud Articles. Featured Modular Articles. A lot of providers won’t let us in their plans.
Clearly there are some real benefits to using OpenFlow in certain use cases (here’s one example ), but that doesn’t mean OpenFlow—especially hop-by-hop OpenFlow, where OpenFlow is involved at every “hop” of the packet forwarding process throughout the network—is the right solution for all environments.
This pertains to managing the infrastructure elements on which the cloud is running – including the physical infrastructure elements such as servers, networks and storage, as well as the virtualization layer and the cloud stack. Networking. Featured Cloud Articles. Featured Modular Articles. ARCHIVED ARTICLES.
Organizations must also closely examine their existing network and its capabilities prior to the rollout of VoIP. A network assessment should be undertaken to ensure that the network is robust enough to operate at existing levels with the addition of projected data and voice traffic needs. Resultant issues.
For now, though, I have a small collection of articles and links for your reading pleasure—not as many as I usually include in a Technology Short Take, but better than nothing at all (I hope!). Networking. Ivan tackles the topic of CI/CD and testing in network automation. Dan Lorenc dives deep into Fulcio.
Networking Lee Briggs (formerly of Pulumi, now with Tailscale) shows how to use the Tailscale Operator to create “free” Kubernetes loadbalancers (“free” as in no additional charge above and beyond what it would normally cost to operate a Kubernetes cluster). Thanks for reading! This is a handy trick.
Networking. If you’re interested in learning more about OpenFlow and software-defined networking but need to do this on a shoestring budget in your home lab, a number of guides have been written to help out. Also see the “Networking” section above for a related post on the networking aspects involved.
A specific angle I want to address here is that of infrastructure automation ; that is, the dynamic manipulation of physical resources (virtualized or not) such as I/O, networking, loadbalancing, and storage connections - Sometimes referred to as "Infrastructure 2.0". a Fabric), and network switches, loadbalancers, etc.
Google also added this reference point: "For a sense of scale, this two minute attack generated more requests than the total number of article views reported by Wikipedia during the entire month of September 2023." Cloudflare, too, responded promptly, implementing rapid changes to its stack and deploying mitigations to safeguard its clients.
In part 1 of this series, I covered some networking basics (OSI and DoD models; layer 2 vs. layer 3; bridging, switching, and routing; Spanning Tree Protocol; and ARP and flooding). For the purposes of this discussion, I’ll assume that the loadbalancing is being done based on source and destination IP address.
Networking. Here’s a quick look at using Envoy as a loadbalancer in Kubernetes. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. This is a thorny topic full of design considerations, and this AWS article discusses a few of them.
This is session CLDS006, “Exploring New Intel Xeon Processor E5 Based Platform Optimizations for 10 Gb Ethernet Network Infrastructures.” The session starts with Rodriguez giving a (thankfully) brief overview of Expedient and then getting into the evolution of networking with 10 Gigabit Ethernet (GbE).
Microservers share some common characteristics, such as high integrated platforms (like integrated network) and being designed for high efficiency. He starts the discussion by talking about NFV and SDN, and how these efforts enable agile networks on standard high volume (SHV) servers (such as microservers). Gbps/watt versus 0.37
Zafran researchers pinpointed a systemic flaw in how WAFs, often used as both security tools and Content Delivery Networks (CDNs), are configured. While mTLS offers the most secure option, it requires custom tooling and is not yet supported by all loadbalancers. An article by Imperva from 2015 (!!!)
Thats essentially the idea behind the " Datacenter-in-a-Box :" Most common config uration: Blades + Networking + SAN Storage Most useful tools to manage VMs + physical servers + network + I/O + SW provisioning + workload automation + high availability Thats what Egeneras done with Dell. Good article, thanks. Ken Oestreich.
Welcome to Technology Short Take #25, my irregularly-published collection of links, articles, thoughts, and rants. Networking. I think this three-part series on new network models for cloud computing ( part 1 , part 2 , and part 3 ), while almost a year old, is quite good. my apologies for that. Jason Boche shows you how.
This is session COMS002, titled “The Future of Software-Defined Networking with the Intel Open Network Platform Switch Reference Design.” The Intel Open Network Platform (ONP) Switch is the official name for Seacliff Trail, which I talked about last year at IDF 2012. So how does this work?
I have a few more links than normal this time around, although I didn’t find articles in a couple categories. Don’t worry—I’ll keep my eyes peeled and my RSS reader ready to pull in new articles in those categories for next time. Networking. This article may provide some useful information.
Networking. I never found the root cause, but we did find a workaround; however, along the way, someone shared this article with me. Dan Lorenc’s article on policy and attestations does a great job of covering key concepts like signatures, attestations, and provenance. This is a great article on using jq with kubectl.
Here’s another collection of links and articles from around the Internet discussing various data center-focused technologies. Networking. The Pivotal Engineering blog has an article that shows how to use BOSH with the vSphere CPI to automate adding servers to an NSX loadbalancing pool. Servers/Hardware.
Networking. Christopher Davis has an article discussing a recommended VPC subnet configuration. This is, of course, just one way of handling subnets within a VPC, but some of the principles outlined in Christopher’s article are definitely sound. This article is pretty high-level; I wish it had a bit more depth to it.
I hope that everyone had a wonderful holiday season, but now it’s time to jump back into the fray with a collection of technical articles from around the Internet. Networking. David Gee has an interesting set of articles exploring service function chaining in service mesh environments ( part 1 , part 2 , part 3 , and part 4 ).
Networking. This article contains some good information on IPv6 for those who are just starting to get more familiar with it, although toward the end it turns into a bit of an advertisement. Want to understand kube-proxy , a key part of Kubernetes networking, a bit better? I hope you’re able to find something useful here!
Networking. Ajay Chenampara has a post on using the Ansible network-engine command parser to parse the output of commands on network devices. Ajay Chenampara has a post on using the Ansible network-engine command parser to parse the output of commands on network devices. Here’s his latest piece.
Welcome to Technology Short Take 103, where I’m back yet again with a collection of links and articles from around the World Wide Web (Ha! Networking. If you’re not familiar with VPCs and associated AWS constructs, you should read this article. The reasons behind his decision are in the article.).
Nevertheless, I have persevered in order to deliver you this list of links and articles. Networking. The engineering team at Lyft recently discussed a new overlay-free networking approach they’ve been working on for Kubernetes: IPVLAN-based CNI stack for running within VPCs on AWS. (For I hope it proves useful!
Networking. Vincent Bernat has a really in-depth article on IPv4 route lookup on Linux (and one on IPv6 route lookup as well). Ivan Pepelnjak has a great article that tries to get to the kernel of truth in the middle of the intent-based networking hype. The company is VirTool Networks (catchy, eh?), RIP Solaris.
Here’s a fresh new collection of links and articles from the around the web to propel myself back into blogging. Networking. Mircea Ulinic shows readers how to use salt-sproxy to take a different approach to network automation using Salt. Bryan Culver of Network to Code has a 101-level primer on Ansible Vault.
Networking. Open Virtual Network (OVN) is really ramping up and getting lots of attention, which I personally think is absolutely well-deserved. Here’s an article on using PHP to query NSX API via REST (specifically, working with syslog settings on NSX Manager). I hope you find something useful here. Servers/Hardware.
I have another collection of links, articles, and thoughts about key data center technologies, and hopefully I’ve managed to include something here that will prove useful or thought-provoking. Networking. Further, he follows that up with a post on how automation is more than just configuration management ; it’s about network services.
Welcome to Technology Short Take #48, another installation in my irregularly-published series that collects links, articles, and thoughts from around the web. Networking. Matt Oswalt recently wrapped up his 3-part “DevOps for Networking” series. tech preview of virtual networks for Docker. Servers/Hardware.
Networking. The first is a post on Cilium and F5 loadbalancer integration , while the second discusses implementing Kubernetes network policies with Cilium and Linkerd. Second, the content reflects—in my opinion—the changing nature of what it means to be a “networking professional.”
Networking. Here’s a quick look at using Envoy as a loadbalancer in Kubernetes. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. This is a thorny topic full of design considerations, and this AWS article discusses a few of them.
Networking. If you’re a networking pro and didn’t understand most of that last sentence, I’d content that you’ve got some learning to do. If you’re a networking pro and didn’t understand most of that last sentence, I’d content that you’ve got some learning to do. Servers/Hardware.
As usual, I’ve collected some articles and links from around the Internet pertaining to various data center- and cloud-related topics. Networking. Although her article is written specifically for Azure, the underlying concept of being sure to tag resources appropriately is valuable for any cloud provider. Servers/Hardware.
Before I present this episode’s collection of links, articles, and thoughts on various data center technologies, allow me to first wish all of my readers a very merry and very festive holiday season. Networking. Mustafa Akin has an article on Docker’s new overlay networking functionality. Now, on to the content!
Networking. I never found the root cause, but we did find a workaround; however, along the way, someone shared this article with me. Dan Lorenc’s article on policy and attestations does a great job of covering key concepts like signatures, attestations, and provenance. This is a great article on using jq with kubectl.
In this article, we will explore the concept of distributed learning and its significance in the realm of machine learning. Rather than relying on a single machine, distributed learning harnesses the collective computational power of a network of machines or nodes. But what exactly is distributed learning in machine learning?
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