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Velocity 2014 - Acceleration Reference Architecture (feat Haynes)

Robert Haynes, F5 Marketing Services Architect, gives us a preview of the new Acceleration Reference Architecture and shares 3 simple ways you can optimize your application traffic with BIG-IP. Learn more at Synthesis.f5.com ps Related Velocity... Read more
Average Rating: 3.7
3 Reviews

What are you waiting for?

The future of HTTP is here, or almost here.   It has been 5 years since SPDY was first introduced as a better way to deliver web sites.  A lot has happened since then.  Chrome, Firefox, Opera and some IE installations support... Read more
Average Rating: 5.0
4 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

From the University of the Obvious: Faster Applications are Better

In other news, water is wet and I like beer. While working on our new Acceleration Reference Architecture, I have been reading a lot of reports documenting the effects of making websites and web applications faster.  I’ve spent literally... Read more
0 Reviews

Make Your Cache Work For You

One of the questions we frequently get from the field and customers is how to appropriately tune the profile for caching. There are lots of settings in the profile and a mis-configuration can actually cause some pretty adverse effects, so getting... Read more
2 Reviews

Caching FAQs

One of the most mysterious parts of the BIG-IP Application Acceleration Manager (AAM) is caching. Rarely is it explained, and there are very few documents that describe why you would or would not use one of the BIG-IP's caching facilities.... Read more
0 Reviews

Cache Confusion

Caching is a great way to offload servers and networks; reducing the amount of requests coming into and out of a network. The concept behind the need for caching is simple; store the content most frequently accessed closest to the end user to... Read more
0 Reviews

Tuning TCP

In the previous few posts I’ve discussed the new congestion control algorithms and rate pacing features that are available in BIG-IP 11.5; but if you’re not ready to move to 11.5 there is still plenty that you can do to optimize your TCP... Read more
0 Reviews

TCP Pace Yourself

TCP congestion control strives to optimize network goodput while minimizing packet loss by moderating transmission speed. Unfortunately, the way that congestion control moderates transmission often results in microbursts which can overflow buffers... Read more
2 Reviews

TCP Congestion Control: The Mobile Network of Today, It’s Time to Improve

Over the last several years the rise of the smartphone has led to substantially increased capabilities in mobile devices. The emergence of applications for these platforms has enabled a near limitless number of ways for consumers and enterprise... Read more
0 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

iCall Triggers - Invalidating Cache from iRules

iCall is BIG-IP's all new (as of BIG-IP version 11.4) event-based automation system for the control plane. Previously, I wrote up the iCall system overview, as well as an article on the use of a periodic handler for automating backups. This... Read more
0 Reviews

Inside Look - PCoIP Proxy for VMware Horizon View

I sit down with F5 Solution Architect Paul Pindell to get an inside look at BIG-IP's native support for VMware's PCoIP protocol.  He reviews the architecture, business value and gives a great demo on how to configure BIG-IP. BIG-IP... Read more
0 Reviews

Programmable Cache-Control: One Size Does Not Fit All

#webperf For addressing challenges related to performance of #mobile devices and networks, caching is making a comeback.   It's interesting - and almost amusing - to watch the circle of technology run around best practices wit... Read more
1 Review

Cloud: Impact of DNS on Performance

#webperf #devops Developers and operations must work together to mitigate the impact of hybrid architectures on application performance One of the ramifications of relying on off-premise cloud infrastructure is that you're necessarily stuck... Read more
0 Reviews

Application Fluency versus Awareness

#webperf #ado The difference between fluency and awareness can mean the difference between meeting and missing an SLA We - and that's the networking industry at large - have been using the term "Application Fluency" for a long, lon... Read more
0 Reviews

Bare Metal Blog: Throughput Sometimes Has Meaning

#BareMetalBlog Knowing what to test is half the battle. Knowing how it was tested the other. Knowing what that means is the third. That’s some testing, real clear numbers. In most countries, top speed is no longer the thing that auto manufacturer... Read more
0 Reviews

Bare Metal Blog: FPGAs: Reaping the Benefits

#BareMetalBlog #f5 All the goodness FPGAs bring hardware in general, and ADO hardware in particular. In two previous installments, I talked at a high level about the uses of FPGAs, risk mitigation, and the potential benefits. Today I’d like t... Read more
0 Reviews

1024 Words: Application Health Monitoring at a Glance

It's not enough to measure connectivity or even status codes… See also Axiom #1 of the Three Axioms of Application Delivery 1024 Words: Why Devops is Hard 1024 Words: The Theory of (Performance) Relativity  ... Read more
0 Reviews

Back to Basics: The Theory of (Performance) Relativity

#webperf #ado Choice of load balancing algorithms is critical to ensuring consistent and acceptable performance   One of the primary reasons folks use a Load balancer is scalability with a secondary driver of maintaining performance. We... Read more
0 Reviews
0 Reviews

Filling the SLA Gap in the Cloud

#webperf #ado Meeting user expectations of fast and available applications becomes more difficult as you relinquish more and more control… User expectations with respect to performance are always a concern for IT. Whether it's monitoring... Read more
0 Reviews

Visibility: Keystone to Rapid Recovery Everywhere

#caim Because knowing is half the battle in application performance management One of the processes used to determine the root cause of a problem by Six Sigma is called The Five Whys. In a nutshell, it's a method of continually asking... 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