Internet Protocol Suite Overview

The Internet Protocol Suite is the networking model and protocols used on the Internet. The diagram below shows the flow of control and data for the HTTP-TCP-IP-ARP most common protocol sequence. Here are links for referenced technologies:

• Application Layer: HTTP, DNS, Domain Name, IP Address, Stream
• Transport Layer: TCP, Tuning, TCP Congestion-Avoidance Algorithm, window size, Packet, wait interval & maximum segment lifetime
• Internet Layer: IP, Packet Switching, Routing, Router, Gateway, iptables, IP Address, rules
• Link Layer: ARP, Packet Switching, arptables, IP Address, MAC Address, rules

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Android/PHP/JQuery RESTful JSON MySQL Client-Server Overview

The title of this blog entry is quite a mouthful.  The purpose is to give a broad overview of the moving parts necessary to implement an application with client mobile and desktop devices that interact with a server database to alter and retrieve data.

I won't define all the classes, methods and acronyms on the graphic as they're easy to look up using an Internet search.  There are other choices that can be made for the details of the implementation, but this should provide a starting point for thinking through the necessary elements.

The communication vehicle for client-server interaction is typically the Internet Protocol Suite.

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HTML5 Canvas Performance Test

Browser support for HTML5 Canvas is constantly improving. More features are being supported and performance is improving. Click here or on the image below to see how your browser performs. The app rotates a ten layer gradient and displays the Frame Rate.

HTML5 Canvas on a Smartphone

HTML5 Canvas is a highly anticipated feature that allows web developers to create sophisticated graphics on their website pages. Most desktop and laptop browsers now support the Canvas feature. Mobile browsers are catching up. To see if your browser supports Canvas, you can access www.html5test.com for an analysis and rating of your browser.  Also, give this Canvas app a try: