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Featured Articles

Getting FREAK-y with BIG-IP

Since it’s been about 3 months since POODLE, we’re clearly overdue for another major vulnerability in SSL and/or TLS. Fortunately for us, the research team at SmackTLS has released details of the FREAK attack (aka OpenSSL CVE-2015-0204). We...

MWC 2015 – How LTE Roaming Works (feat Nas)

Peter Nas, Sr. Solution Architect, explains what happens when the many MWC attendees from all over the world arrive in Barcelona and need to connect their mobile devices to a carrier network. Peter does a great job walking us through what happens...

Optimizing IoT and Mobile Communications with TCP Fast Open

There's a lot of focus on the performance of mobile communications given the incredible rate at which mobile is outpacing legacy PC (did you ever think we'd see the day when we called it that?) usage. There's been tons of research on...

F5 Threat Analysis: It's a mad, mad, mad, mad ... bot

Madness. It's an aptly named bot, as it's likely to evoke just that reaction in those who find it lurking in their systems or at whom its sets it sights. A disturbing trend illustrated by the focus of our latest threat analysis is the...

DevCentral Top 5: Feb 25, 2015

The articles on DevCentral have been absolutely fantastic as of late.  Understandably, readers can expect to find great F5-related technical content here at DevCentral, but several industry-relevant pieces are also found in this...

Recent Articles

Why an Empty Glass is like a Key Mobile Service Provider Technology

"Speedy Gonzales (1955 short)" by Source (WP:NFCC#4) #MWC15 I was at a restaurant with some colleagues after the day of Mobile World Congress events today in Barcelona. Unfortunately, all the Spanish I learned was from the Warner Bros Speedy Gonzales cartoons. The people of Barcelona are great and most of them have a superb command of the English language. While we were ordering an...

Mitigating Unwanted Communication On Your Service Network

With so many new and varied devices such as smartphones, smartwatches, laptops, and tablets accessing a service provider network, with a 2.9 device per-person average worldwide according to a Sophos survey, it’s no wonder there is Operator concern with supporting only desired and approved communication. And with the total number of devices growing to 5 per internet user by 2017 according...

How you integrate network services matters

This post is cross-posted at https://blogs.cisco.com/datacenter/how-you-integrate-network-services-matters Polymorphism is a concept central to object-oriented programming. The notion of polymorphism is used to extend the capabilities of a basic object, like a mammal, to specific implementations, like cats or dogs or honey badgers, even though they don't care about such technica...

Getting FREAK-y with BIG-IP

Since it’s been about 3 months since POODLE, we’re clearly overdue for another major vulnerability in SSL and/or TLS. Fortunately for us, the research team at SmackTLS has released details of the FREAK attack (aka OpenSSL CVE-2015-0204). We can test whether our browsers are vulnerable here, and we can read cryptographer Matthew D. Green’s excellent summary of the attack mechanism on his...

Evaluating the Impact of New Devices

Given this year’s MWC theme is “The Edge of Innovation”, it’s no wonder that several new mobile phone made their debut this week—accompanied by a slew of new capabilities aimed at grabbing both analyst and subscriber attention. Microsoft announced two new smartphones, the Lumia series and the Windows 10. Jolla launched their version of the smart phone and the first Jolla Tablet will start...

MWC 2015 – The Mobile Revolution with F5 CEO John McAdam

John McAdam, F5 President & CEO talks about what the mobile revolution means to F5. John discusses how mobile technology is driving innovation, why the need for intelligent application traffic management is critical, how F5 is in the sweet spot for the explosion of mobile data traffic and why Mobile World Congress is attracts so many executives from around the world. If you only watch one...

Whiteboard Wednesday: Global Traffic Manager Load Balancing Algorithms Part 3

Jason continues the series of whiteboard sessions on Global Traffic Manager load balancing, covering the topology algorithm at the wideIP level. Resources About Global Server Load Balancing (Manual) Overview of BIG-IP GTM Topology Records Solution 10434 (9.x - 10.x) Solution 13412 (11.x) Overview of the Longest Match algorithm Solution 10721 (9.x - 10.x) Solution 14284 (11.x) Using...

MWC 2015 – Enhancing Subscriber’s Quality of Experience (feat Mahmoodi)

Misbah Mahmoodi, Sr. Product Marketing Manager, does a great job explaining the service provider challenges with the exponential growth in data usage from a subscriber point of view. For mobile operators, one of the worst things that subscribers can experience on the network is when they begin to stream their favorite video, and instead of the video playing, they see that spinning wheel. Misbah...

MWC 2015 – TCP Opt for Service Providers (feat Yue)

Frank Yue, Sr. Technical Marketing Manager, visits again to talk about the unique challenges service providers face in managing mobile data traffic. As more devices are generating more traffic, congestion can create bottlenecks on a carrier’s network. Service providers need to manage and properly deliver that traffic efficiently to subscribers. Frank explains that TCP was not really designed...

Why TCP optimisation has become more important than content optimisation

Since the very early days of 2G and 3G deployments, mobile operators from all around the world have been deploying and using content optimization platforms. The reasons for deploying these technologies were pretty straightforward. Bandwidth at the 2G and 3G radio layers was pretty low compared to bit rates that were available on wireline networks, so reducing the bit rates of the ever...

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