Understanding Service Chaining

One of the emerging topics of conversation related to Software-Defined Networking (SDN) has been something called “service chaining”. The topic has gotten a fair bit of media focus of late, resulting in an increase in the amount of inquiry on this topic. From the questions I’ve been getting, though, its become obvious to me that […]

Is NFV Just for Service Providers?

A lot of people that I talk to regard NFV as something of interest only to service providers. I think that perception comes in large part from the service provider orientation of some of the high-visibility organizations that have formed to drive the evolution of NFV. This includes an industry specification group (ISG) that the […]

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 […]

Ciena Agility and Silver Peak: Changing the Rules in Network Function Virtualization (NFV)

For the past few years, Silver Peak has been at the forefront of software-defined WAN services for the enterprise and in the cloud.  Our philosophy has been to provide our enterprise customers choice: the flexibility and simplicity of virtual appliances or the same software pre-installed on a physical appliance. Regardless of their choice and where […]

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 […]

Why ONUG Has It Right

I recently got back from spending two days at the Open Networking User Group (ONUG) conference in New York. Kudos to Credit Suisse for hosting the event and to ONUG leadership for organizing it. It was exciting to meet forward-thinking IT leaders and hear about their need for an open networking standard. Nick Lippis, co-chair […]

Dear MPLS, We Need to Break Up

Dear MPLS, I’ve considered writing this letter for quite some time.  Fifteen years is a long time together, especially in the technology world. Many would say that this is long overdue. We’ve had our ups and downs as many relationships do, but alas, I’ve met someone else. When we first met in the 90’s you […]

5 More Ways WAN Optimization is Still Relevant

You’ve heard it, I’m sure. “Bandwidth is cheap. Why do we need WAN optimization?” It seems like a week doesn’t go by when I hear that question. I listed five reasons in my last post; here are five more to consider: 1) A Faster Cloud – WAN optimization dramatically reduces the time to move data […]