Mehdi Daoudi

Cash may be king in the real world, but cache is king in the world of the internet. From DNS record TTLs, to HTTP Max-age headers, caching at different levels makes the internet faster and our lives easier. One technology which has contributed extensively over the years in improving web performance is the Content Delivery Network or CDN. Caching and serving the content from servers closer to the end-user has been absolutely revolutionary and has drastically brought down the overall response time to load web content. CDNs have used different caching techniques in a very effective way, but at times because of divergent behavior of these methods (especially HTTP headers), some notable attention has to be given while configuring with CDNs, which otherwise might be difficult to leverage its maximum benefits. Let’s talk about some of these important headers, which at times ... (more)

Red Team vs. Blue Team – Security and Performance

When a security breach or DDoS attack occurs, performance and user experience are the first visible victims.  As the use of cloud services continues to make security more important than ever, conducting internal war games is a great way to understand your weaknesses before a real catastrophe happens.  A common way companies test this is by using a red team / blue team approach.  The red team is a group of white-hat or ethical hackers that attack the infrastructure with the goal to identify weaknesses. These types of tests enable organizations to identify how their infrastructur... (more)

WebPerf 101: #JavaScript | @CloudExpo #Catchpoint #DevOps #CD #WebPerf

Web Performance 101: Optimizing JavaScript By Kameerath Kareem JavaScript redefined web applications ushering in a new era of dynamic websites with fluid responsive designs. It has gained a strong following among developers, popular libraries and frameworks like JQuery and Angular JS are all built with JavaScript. The endless design possibilities that JavaScript provides coupled with the numerous libraries available today makes it an indispensable part of web application development. Why JavaScript? Today, almost every website uses JavaScript to provide an interactive digital exp... (more)

DNS Experience Tests | @CloudExpo @CatchPoint #APM #DevOps

DNS Experience Tests: A Key Cog in the Online Ecosystem By Mehdi Daoudi A company’s collection of online systems is like a delicate ecosystem – all components must integrate with and complement each other, and one single malfunction in any of them can bring the entire system to a screeching halt. That’s why, when monitoring and analyzing the health of your online systems, you need a broad arsenal of different tools for your different needs. In addition to a wide-angle lens that provides a snapshot of the overall health of your system, you must also have precise, scalpel-like tools ... (more)

Monitoring #IoT, #Docker and #MachineLearning | @CloudExpo @Catchpoint

Performance Predictions for 2017 By Kameerath Kareem The year 2016 witnessed amazing progress in the field of technology – from Internet of Things (IoT) and augmented/virtual reality going mainstream, to innovations like testing the first-ever reusable rocket. The IT industry also saw a number of advancements including the rise of Cloud and serverless computing and the growing implementation of DevOps that has redefined IT operations. In this article, we look at some of the major developments expected in the world of APM for the year ahead. Monitoring for IoT This past year saw t... (more)