TL-DR: Dropbox is harassing me about new products. Combined with poor performance of their bloated app and enormous waisting of my disk space, I’m getting close to quitting. I want to use Dropbox to synchronise files between my various devices aka desktop, laptop, tablet and smartphone for quite some time. I like it enough to […]
The post Hey Dropbox, I Don’t Want The Bloat. Or the Constant Ads. appeared first on EtherealMind.
The autumn 2019 webinar season is in full swing ;) We’re almost done with Azure Networking webinar (the last session will take place on October 10th) and the network automation course is nicely chugging along – a few weeks ago Matthias Luft talked about supply-chain security in open-source software and today we’ll enjoy the start with a single source of truth presentation by Damien Garros.
Dinesh Dutt is coming back on October 8th with another installment of EVPN saga, this time focused on running EVPN on Linux hosts, and on October 22nd Donald Sharp will tell us all about the underlying magic box – the Free Range Routing software.
But there are even more open-source goodies waiting for you: on October 15th we’ll have Pete Lumbis describing the new features Cumulus Linux got in the last year, including AutoBGP and AutoMLAG.
Most everything I mentioned above apart is accessible with Standard ipSpace.net Subscription, and you’ll need Expert Subscription to enjoy the automation course contents.
China's Baidu donated the Baetyl seed code, while Dianomic contributed Fledge.
This is the second of the two part EVPN-PIM blog series exploring the feature and network deployment choices. If you missed part one, learn about BUM optimization using PIM-SM here.
Servers in a data-center Clos are typically dual connected to a pair of Top-of-Rack switches for redundancy purposes. These TOR switches are setup as a MLAG (Multichassis Link Aggregation) pair i.e. the server sees them as a single switch with two or more bonded links. Really there are two distinct switches with an ISL/peerlink between them syncing databases and pretending to be one.
The MLAG switches (L11, L12 in the sample setup) use a single VTEP IP address i.e. appear as an anycast-VTEP or virtual-VTEP.
Additional procedures involved in EVPN-PIM with anycast VTEPs are discussed in this blog.
Friend: “So you are working on PIM-MLAG?”
Me: “No, I am implementing EVPN-PIM in a MLAG setup”
Friend: “Yup, same difference”
Me: “No, it is not!”
Friend: “OK, OK, so you are implementing PIM-EVPN with MLAG?”
Me: “Yes!”
Friend: “i.e. PIM-MLAG?”
Me: “Well, now that you put it like that….……..NO, I AM NOT!! Continue reading
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As told to me:
The post Network Outages and Idiots With Guns appeared first on EtherealMind.
I reviewed the basic setup for building applications in Kubernetes in part 1 of this blog series, and discussed processes as pods and controllers in part 2. In this post, I’ll explain how to configure networking services in Kubernetes to allow pods to communicate reliably with each other.
At this point, we’ve deployed our workloads as pods managed by controllers, but there’s no reliable, practical way for pods to communicate with each other, nor is there any way for us to visit any network-facing pod from outside the cluster. Kubernetes networking model says that any pod can reach any other pod at the target pod’s IP by default, but discovering those IPs and maintaining that list while pods are potentially being rescheduled — resulting in them getting an entirely new IP — by hand would be a lot of tedious, fragile work.
Instead, we need to think about Kubernetes services when we’re ready to start building the networking part of our application. Kubernetes services provide reliable, simple networking endpoints for routing traffic to pods via the fixed metadata defined in the controller that created them, rather than via unreliable pod IPs. For simple applications, Continue reading
D-Wave Systems is getting ready to roll out its next quantum annealing computer, a system that will encompass more than 5,000 low-noise qubits, as well as a new topology to connect them. …
Quantum Annealing Advances Woven Into Next-Gen D-Wave System was written by Michael Feldman at The Next Platform.
The ongoing journey to bring more enterprise high-performance computing (HPC) workloads into the cloud has been a bumpy one with its share of roadblocks and setbacks. …
HPC Eases Its Way Into The Cloud was written by Jeffrey Burt at The Next Platform.
Good news is continuing to gather around AMD’s second-generation “Rome” Epyc processors. …
AMD Rome Epyc Processor Shatters Numeric Benchmarks was written by Michael Feldman at The Next Platform.