Hot answers tagged scalability
Programming with an eye towards scalability is desirable, but it can also be very limiting. The truth is that 95% of sites will never need to worry about scalability. Unless you plan to have more than 10,000 pages on your site (such as might be accumulated by collecting lots of user generated content), I wouldn't worry about scalability. Just choose your ...
Some quick Googling gave me this: http://sldn.softlayer.com/wiki/index.php/SoftLayer_Network_ContentDelivery_Authentication_Token Looks like, at least with SoftLayer, you can set a token on the user's machine that lets them authenticate with the CDN, thus allowing access to the content. I'm sure this ability varies based on CDN.
Sorry to say but your friend isn't correct. Wordpress, Drupal and even Joomla can handle millions of visitors a day and is purely down to the hardware you use. Of course some content managements systems are heavier than others but again this can be overcome by optimizing your database and using quality hardware such as a Scalable cloud, Scalable VPS or even ...
While the above answers are good explanations, I think the direct answer you're looking for is called "load balancing". You may not need to worry about it in most cases, but it's not a complicated concept to implement if needed. Basically you'll look at your database and it's structure, caching, and your hardware. For example in a standard WordPress or ...
Yes and as much as possible. Even optimizing a single image has an impact. It saves bandwidth for your visitors and your servers. Optimizing a million images is a million times more advantageous. Nobody wants to go anything a million times, so automate everything you can. Every effort saved gets multiplied the larger your data is. From this, you can ...
You can consider moving your site to the cloud so that you can almost have unlimited scalability but still pay for what you use.
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