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DATA CENTER Stories

Network automation, SASE, 5G rank among enterprise priorities

Published on: 2022-07-22

From incorporating cloud services to keeping the hybrid workforce humming, network execs and architects face myriad challenges every day. The main goals of large organizations are to prioritize those challenges, adjust the network architecture to handle widely distributed applications, services...

Moving your optical edge to 100G? Here’s how!

Published on: 2022-07-18

Data traffic demand is exploding, and it’s not going to slow down anytime soon. Our reliance on internet connectivity has significantly increased with the pandemic. At the same time, our expectations have also grown. We don’t just expect to get online. We must have high-speed, secure and...

Cloudflare outage brings hundreds of sites, services temporarily offline

Published on: 2022-06-21

A Cloudflare outage on Tuesday knocked hundreds of websites and services, including Discord, Shopify, Fitbit, Peleton, various cryptocurrency services, and Cloudflare itself, offline for a number of hours. Founded in 2010, Cloudflare is a US-based content delivery network (CDN) that also...

Legacy systems are the new attack vectors for hackers

Published on: 2022-06-21

Have you ever heard the saying “Locking the door but leaving the window unlatched”? It means that your security is only as good as the weakest link. This applies to IT as well. How does legacy system security compare to cloud security? Google away and you’ll find that survey after survey says...

MPLS, SDN, even SD-WAN can give you the network observability you need

Published on: 2022-04-25

What do router networks and a preschool have in common? A lot more than you think. Read on for the answer. To the average enterprise, “network” means “router network”. It’s not that there aren’t other things in the network, but that the whole of enterprise networking is about building IP...

Basing network security on IP addressing: Would it be worth it?

Published on: 2022-04-20

Why is it that over 90% of enterprises tell me that they expect to spend more on security over the next three years, and almost 60% say they expect to spend less on networking? We obviously think that network technology is getting more efficient, more competitive. Why isn’t that the case for...

Do new technologies make IT easier?

Published on: 2022-02-07

Software-defined networking, intent-based networking, SD-WAN, and a host of other technologies are focused on making IT work easier through automation. Rather than manually configuring every part of a system, these technologies offer templates, AI assistance, and, in theory, a much lower...

Edge Native Applications are Conquering the Edge

Published on: 2022-07-27

Join Flo on August 18 for Conquering the Edge, the first of three in a webinar series leading up to our Develop with Cisco event in October. When you are reading about “the Edge,” do you always know what is meant by that term? The edge is a very abstract term. For example, to a service provider,...

Cisco Foundation grantee uses data to fight climate change and rebuild healthy forests

Published on: 2022-07-27

In 2020, wildfires burned more than 4.3 million acres in California, home to Cisco’s headquarters and 39 million people. In terms of size, 4.3 million acres is on par with annual burn rates in the 1800s, before Europeans settled the western United States. What is different now is the severity of...

Why Wipro Believes ZTNA 2.0 Is an Important Step in Your SASE Journey

Published on: 2022-07-05

This blog is part of “ZTNA Partners,” a series where we take a closer look at how our partnerships protect today's hybrid workforces and environments with ZTNA 2.0. It should come as no surprise that the pandemic changed how businesses conduct their operations. Whatever the industry, the...

Who Owns Security ACLs?

Published on: 2022-06-17

A previous blog, Do You Know Your Flows? discussed figuring out what flows are in your network (network edge, etc.). And the time challenges that can present. It also lightly touched on what I think should be access list (“ACL”) best practices (but usually are not). And on some of the issues...

Requiem for FCoE

Published on: 2021-03-31

FCoE is dead. We’re beyond the point of even asking if FCoE is dead, we all know it just is. It was never widely adopted and it’s likely never going to be widely adopted. It enjoy a few awkward deployments here and there, and a few isolated islands in the overall data center market, but […]

Why Haven’t I Tried ZeroTier Before?

Published on: 2022-01-28

I have a confession to make: I am not currently using ZeroTier. It turns out that in this respect I am in a minority among my peers at Networking Field Day 27 and after listening to a great introduction to ZeroTier by company founder and original software author Adam Ierymenko, I now know that I...

CCDE Thoughts After Cisco Live 2019

Published on: 2019-06-18

My CCDE Thoughts After Cisco Live 2019The CCDE exam was conspicuously absent from the grand re-imagining of the CCNA/CCNP/CCIE certification programs. Here's a brief summary of the announcements (everything takes effect on February 24, 2020):CCIE Routing & Switching is being renamed to CCIE...

Configuring Macvlan and Ipvlan Linux Networking

Published on: 2016-03-28

Macvlan and Ipvlan are both Linux type networking interfaces that are both supported by the Linux kernel. They are unique for a few different reasons. One thing that makes them both very attractive is they do not use bridges in their implementation and natively namespace aware. It solves some...

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