13½ Interesting Questions about SD-WAN

Ethan Banks raised some thought provoking questions around SD-WAN on his blog. Here’s our response to those questions. 1) What’s the impact to hosts on virtual machine based endpoints, i.e. how much CPU does an SD-WAN VM eat for solutions that use VMs? Not a simple question to answer anymore, as there’s usually cryptography involved. Silver […]

Riverbed Admits Scaling Limitations

Riverbed and Silver Peak don’t usually agree when it comes to matters of WAN optimization scalability and for good reason. We’ve offered it; Riverbed hasn’t. But now in a recent blog, Riverbed has decided to tell us why its products don’t scale. Apparently, it’s because they’re like lattes. Let me explain. There’s been this misconception […]

Who’s Who in Virtual Networking: Nick Buraglio

Who is he? Nick is a network engineer at the Energy Sciences Network (ESnet) of the Lawrence Berkeley National Lab (DoE). He’s part of the distributed team responsible for managing a heterogeneous, international, high-performance network consisting of production MPLS/VPLS, L2, L3, and disruptive technologies layers (OpenFlow, SDN and dark fiber) connecting all US Department of […]

The Holiday Internet Weather Map

Holiday shopping may be behind us, but Internet weather is still very much here. The fluctuations in latency and packet loss that can disrupt the cloud, and for that matter Internet shopping, continue to be a vital consideration in any network architecture. To find the extent of its impact, Silver Peak documented Internet weather patterns […]

Cyber Monday: Rough Weather Interferes with the Cloud

E-tailers weren’t the only ones grumbling on Cyber Monday. Enterprise users felt the effects of the online sales crush as North American Internet delays to leading SaaS providers increased by as much as 363 percent. This was the latest finding of an extensive research project conducted by Silver Peak and two leading Internet researchers into […]

Black Friday Internet Weather: Stormy with Plenty of Delays

While consumers were busy shopping on Black Friday, we were busy documenting their impact on the cloud. Teaming up with Internetweathermap.com we were able to capture end-to-end latency for hundreds of thousands of routes during the day from the across the Internet. We supplemented that research with packet loss statistics for major US backbones from […]

Black Friday and Cyber Monday: The Best Test Lab for Internet Weather

Researchers have long been interested in retailers’ ability to cope with online demands of Black Friday and Cyber Monday. Less interest, though, has been paid to the impact the surge of e-commerce traffic has on the cloud and the enterprise as whole. For IT managers interested in shifting some or all of their traffic from […]

The Holiday Internet Weather Forecast

Thursday is Thanksgiving in America, but the subsequent Friday and Monday, Black Friday and Cyber Monday, are increasingly becoming global holidays, the shopping kind. Last year Cyber Monday saw online sales jump 15% over the previous year. Organic traffic spikes of 200% during Black Friday are not unusual, and reports of 800% increases have even […]

Highlights from our #HolidayInternetWeather Twitter Chat With @IntWeather

Yesterday Silver Peak hosted a great live chat on Twitter focusing on the theme of #HolidayInternetWeather. We had plenty of questions around Internet congestion and latency for our special guest, Dave Strickler (@IntWeather), of InternetWeatherMap.com, and he had lots to say on the subject.  We hope you were able to follow along live, but if […]

Holiday Internet Weather — Cloudy or Clear Skies?

As we move into the cold-weather season, savvy commuters know that poor weather conditions can have a dramatic effect on the time it takes to reach a destination — congestion, accidents, poor visibility — all of these have a cumulative slowdown effect. The bad news for network managers is that bad “Internet weather” exists, too, […]