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Selective Compression on BIG-IP

BIG-IP provides Local Traffic Policies that simplify the way in which you can manage traffic associated with a virtual server. You can associate a BIG-IP local traffic policy to support selective compression for types of content that can benefit... Read more
0 Reviews

Optimizing the CVE-2015-1635 iRule

A couple days ago an iRule was published that mitigates Microsoft’s HTTP.sys vulnerability described in CVE-2015-1635 and MS15-034. It’s a short rule, but it features the dreaded regex. Every time I get the chance at user groups, conferences,... Read more
2 Reviews

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... Read more
0 Reviews

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... Read more
0 Reviews

Advanced iRules: An Abstract View of iRules with the Tcl Bytecode Disassembler

In case you didn't already know, I'm a child of the 70's. As such, my formative years were in the 80's, where the music and movies were synthesized and super cheesy. Short Circuit was one of those cheesy movies, featuring Ally... Read more
2 Reviews

Velocity 2014 – That’s a Wrap!

I wrap it up from Velocity Conference 2014. Special thanks to Dawn Parzych, Robert Haynes, Cyrus Rafii and John Giacomoni for joining us on camera along with Robert, Courtney, and Natasha behind the lens. Also learn what the top questions were... Read more
0 Reviews

The Image Format Wars

In the late 1990’s we experienced the browser wars between Internet Explorer and Netscape Navigator, more recently the battle has waged on between IE, Firefox, Chrome, Safari and Opera.   Now be prepared for the next battle – the image... Read more
0 Reviews

F5 Synthesis: Trickle Up Performance

#sdas #webperf New TCP algorithms and protocols in a platform net improved performance for apps The original RFC for TCP (793) was written in September of 1981. Let's pause for a moment and reflect on that date. When TCP was introduced... Read more
2 Reviews

A Brief History of TCP

The foundation of the Internet is TCP, it includes the rules for formatting messages, handling congestion, error correction and provides information on where a packet should be delivered, whether it arrived too quickly for the receiving computer... Read more
0 Reviews

1024 Words: I Didn't Say It Was Your Fault, I Said I Was Going to Blame You

#webperf We often lay the blame for application performance woes on the nebulous (and apparently sentient-with-malevolent-tendencies) "network". But the truth is that the causes of application performance woes are more often than not... Read more
0 Reviews

HTML5 WebSockets Illustrates Need for Programmability in the Network

#HTML5 #SDN The increasing use of HTML5 WebSockets illustrates one of the lesser mentioned value propositions of SDN – and ADN: extensibility. It's likely that IT network and security staff would agree that HTML5 WebSockets has the... Read more
0 Reviews

Does Cloud Solve or Increase the 'Four Pillars' Problem?

It has long been said – often by this author – that there are four pillars to application performance: Memory CPU Network Storage As soon as you resolve one in response to application response times, another becomes the bottleneck, even if you... Read more
0 Reviews

Oracle OpenWorld 2012: BIG-IP Optimizing Oracle GoldenGate

I interview F5 Product Manager, Dawn Parzych, to learn more about F5's Optimization Solutions for Oracle GoldenGate replication software and how BIG-IP WOM can greatly reduce bandwidth and significantly improve throughput performance by... Read more
0 Reviews

F5 Friday: Enhancing Microsoft Exchange 2013

#Microsoft #Exchange load balancing is just the beginning… Throughout the years, F5 BIG-IP has been a critical component supporting Microsoft Exchange to implement a variety of performance, security, and architectural requirements. During... Read more
0 Reviews

The BYOD That is Real.

Not too long ago I wrote about VDI and BYOD, and how their hype cycles were impacting IT. In that article I was pretty dismissive of the corporate-wide democratization of IT through BYOD, and I stand by that. Internally, it is just not a realistic... Read more
0 Reviews

Random Acts of Optimization.

When I first embarked on my application development career, I was a code optimization junky. Really, making things faster, more efficient, the tightest it could get was a big deal to me. That routine you wrote to solve a one-off problem often... Read more
0 Reviews

On the Trading Floor and in the QA Lab

#fsi problems are very public, but provide warning messages for all enterprises. The recent troubles in High Frequency Trading (HFT) involving problems on the NASDAQ over the debut of Facebook, the Knight Trading $400 Million USD loss among... Read more
0 Reviews

The Need for (HTML5) Speed

#mobile #HTML5 #webperf #fasterapp #ado The importance of understanding acceleration techniques in the face of increasing mobile and HTML5 adoption An old English proverb observes that "Even a broken clock is right twice a day.”  A... Read more
0 Reviews

Speed Matters, but Dev Speed or App Speed?

In running, speed matters. But how the speed matters is very important, and what type of running is your forte’ should determine what you are involved in. As a teen, I was never a very good sprinter. Just didn’t get up to speed fast enough, and... Read more
0 Reviews

QoS without Context: Good for the Network, Not So Good for the End user

#fasterapp #webperf #ado One of the most often mentioned uses of #OpenFlow revolves around QoS . Which is good for network performance metrics, but not necessarily good for application performance. In addition to issues related to virtual... Read more
0 Reviews

F5 Friday. Speedy SPDY

#ADO, #Stirling, #fasterapp a SPDY implementation that is as fast and adaptable as needed. **I originally wrote this more than a month ago… Coworkers have covered this topic extensively, but thought I’d still get it posted for those who read my... Read more
0 Reviews

F5 Friday: F5 Application Delivery Optimization (ADO)

#ado #fasterapp #webperf The “all of the above” approach to improving application performance A few weeks ago (at Interop 2012 to be exact) F5 announced its latest solution designed to improve application performance. One facet of this “all of... Read more
0 Reviews

F5 Friday: Are You Certifiable?

#F5TCP #interop You are now. Introducing the F5 Technical Certification Program. Can you explain the role of the Cache-Control HTTP header? How about the operational flow of data during an SMTP authentication exchange? Are you well-versed in... Read more
0 Reviews

Interop 2012 - F5 in the Interop NOC Statistics

I meet with F5's Professional Services Consultant Sam Richman to review some of the stats from the World’s Largest Portable Network.  Highlights  included:  BIG-IP Data Center Firewall pushed a Terabyte of data; BIG-IP Web... Read more
0 Reviews

Interop 2012 - F5 in the Interop NOC

Peter Silva visits with Ken Bocchino of the F5 Professional Services Team to share & show how F5 is providing many of the critical infrastructure components of the largest temporary network in the world. ";" alt=""... Read more
0 Reviews