Revisiting the Anatomy of HTTP: Pt II

In Part I, we discussed the various components of HTTP request. In particular, we walked the reader through the details of TLS (Transport Layer Security), its impact on performance and how to mitigate it. Besides security, mobile performance has assumed the center stage owing to increasing use of mobile devices…

Read more

Revisiting the Anatomy of HTTP: Pt I

One of the key driving factors behind the various web/mobile performance initiatives is the fact that end-users’ tolerance for latency has nose-dived. Several studies have been published whereby it has been demonstrated that poor performance routinely impacts the bottom line, viz,. # users, # transactions, etc. Examples studies include this,…

Read more

Complexity and Crashes

The recent surge in high-profile outages is not an illusion. It’s all too real and one major contributing factor often goes unmentioned. Reposted with permission from CircleID, this piece by Russ White highlights the role complexity plays in the increasingly fragile digital customer experience: It’s a familiar story by now:…

Read more

Signal Processing: Filtering Out The Noise

With cloud computing becoming ubiquitous and the advent of IoT, the problems associated with the three Vs of Big Data – viz., volume, velocity, and variety – would exacerbate. One routinely hears from speakers at every industry conference about the magnitude of the three Vs at their respective companies. However,…

Read more

TCP Flags Continued: CWR + ECE

Today we venture forth looking at a couple of additional flags found in the TCP header: CWR and ECE. These TCP flags are used together with two flags in the IP header (ECT and CE) to warn senders of congestion in the network thereby avoiding packet drops and retransmissions. Background…

Read more