Worth Reading: Internet routing detours
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vSphere 6.5 Security Encrypted vMotion
Interesting
Encrypted vMotion has been asked about for YEARS. It’s here now in vSphere 6.5! And, like VM Encryption, we’ve taken a different approach than you might think. We don’t actually encrypt the vMotion network. What we DO encrypt is the data going over the vMotion network. At the time of migration, a 256-bit key and 64-bit Nonce are created by vCenter. This is a one-time-use key and is not persisted!
Some thoughts:
- what is the impact of the encryption on vMotion performance, especially at load ? Since its symmetric encryption (OTP Key would suggest that) it should light on CPU but still.
- Joined up thinking between network and vm admins is key here. If the network already encrypts this would be silly to implement so “The best part is you don’t have to ask your network team to do anything!” would be doubling down on stupid.
- Network encryption should lower latency (hardware acceleration) and perform better (remember, don’t ask your network team anything)
- Security is a top down thing. If you are bothering to encrypt at all, everything should be encrypted not just the vMotion. Thats kind of pointless if all other data is in the clear.
Response: ASA logout weirdness
5545x/act# logoff
^
ERROR: % Invalid input detected at ‘^’ marker.
5545x/act# logout
Logoff
I would expect nothing less from a Cisco CLI to be fair. Irrational, inconsistent and byzantine CLI is the normal.
ASA logout weirdness | Battles with Cisco product weirdness : https://ciscoweirdness.wordpress.com/2017/01/24/asa-logout-weirdness/
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Updated Generic Icon Set
I’ve updated the generic icons linked from this page to include a virtual router/switch. I’ve also added two different spine and leaf topologies to the presentation. I may add other “generic” topologies over time, as I run across ones that seem worth including. These are completely public domain; I would encourage you to use them instead of the normal sets of vendor icons in drawing, books, blogs, etc.
Updated: Thanks to Greg Ferro, there is now a version of these in Omnigraffle! They’re linked on the same page.
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On the ‘net: The background of I2RS
The post On the ‘net: The background of I2RS appeared first on 'net work.
Oracle to Lay Off 450 in Its Hardware Operation
The company’s hardware product revenues were down 10 percent year-over-year for its fiscal 2017 second quarter.
Verizon Expands 5G Market Trials Across the U.S.
The 10 pilot markets will not be limited to Verizon's wireline territory.
Cumulus & Apstra Demo on Facebook’s Backpack & Wedge Switches
Facebook shows off the OCP ecosystem at an invitation-only event.
Announcing Backpack running Cumulus Linux — completing our networking portfolio with a modular platform
We are thrilled to announce our integration with Backpack — the industry’s first commercially supported open chassis with Cumulus Linux. You can now have a consistent operating model across fixed and modular platforms.
With Backpack and Cumulus Linux, you can simplify hyperscaling your network infrastructure, especially as you migrate from 40G to 100G platforms.
When Facebook first approached us about the technology, we were thrilled to be a part of it. We’ve always believed the chassis is an important part of the ecosystem, but we also knew the technology needed to be improved.
In fact, when Cumulus Networks was first founded, we were working on developing a chassis that would work seamlessly with open networking ecosystems. No really, we did! Don’t believe us? Here’s the proof:
Clearly, we never quite got it right. But luckily for us and open networking enthusiasts everywhere, Facebook did. Read more about Facebook and Cumulus Networks.
What is Backpack?
This is Facebook’s second generation modular switch platform based on web-scale principles. Cumulus Networks collaborated with Facebook to provide ONIE support for Backpack. Backpack is an 8RU chassis with 128x 100G ports built as a distributed model where each line card and fabric card have dedicated CPUs Continue reading