Last year alone, the international digital rights advocacy organization Access Now recorded 56 Internet shutdowns worldwide. There's concern about this growing trend and worry that governments are blocking social media and communications tools, in particular.
Many private sector and civil society organizations have condemned the shutdowns, and there have been dialogues and campaigns held around the world to try and prevent this growing trend. But while most of these dialogues are filled with decision-makers, legislators, and civil society organizations, young voices have been left out.
Cisco Live is just a few days away and I figured it was a good time for a Know Before …
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Knowing how an IoT device behaves when it starts up can help troubleshoot security issues.
Peter Welcher reflects on the evolution of the WAN and new WAN architectures.
One of my readers sent me a list of questions on asymmetrical traffic flows in IP networks, particularly in heavily meshed environments (where it’s really hard to ensure both directions use the same path) and in combination with stateful devices (firewalls in particular) in the forwarding path.
Unfortunately, there’s no silver bullet (and the more I think about this problem, the more I feel it’s not worth solving).
Read more ... BOSCH and Walmart use SAP Cloud Platform, built on Cloud Foundry.
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A few weeks ago, we attended the OpenStack Summit where we had a wonderful time connecting with customers, partners and several new faces. With the excitement of the event still lingering, we thought this was a great time to highlight how OpenStack and Cumulus Linux offer a unique, seamless solution for building a private cloud. But first, here are a few highlights from the conference.
It compares its R-Series to Juniper's QFX 10000 Series.
Coriant snares new investment as the optical network is predicted to surge.
CEOs from Amazon, Microsoft, and SAP, will discuss improving security and government infrastructure.
Analysts note that open source security concerns are more about deployment, not technology.
I posted a link to a worth reading story last week about Liqid’s composable hyperconverged system. A reader (Vova Moki) commented on the LinkedIn post with this question—
Although I don’t understand how much faster is the PCIe than regular NICs?
Excellent question! It certainly seems that 100g Ethernet should be much faster than PCIe; this article lists the highest speed of PCIe as 15.8G/s across 16 lanes, with faster speeds expected into the future. Further, PCIe runs on parallel lanes, which means it must be very difficult to build a switch for the technology. The simplest way to build such a switch would be to pull the signals off the 16 different lanes, serialize them into a single packet of some sort, and then push them back out into 16 lanes again (potentially in different order/etc.).
So why should composable systems use something like PCIe, rather than using 100g Ethernet. After all, the Ethernet NIC is essentially doing precisely what a PCIe switch would need to do by pulling the data off a PCIe bus, serializing the data, and sending it over a network to a switch, which can, with the right design, already switch these packets Continue reading
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