I have few questions on CDN.I am hosting locally and I want to pick the best CDN available. How to choose the most efficient one for my purpose? What is 3G latency concept on CDN? How can I manage performance fluctuation with a CDN and can it provide guarantee of 24/7 availability of my site services? Can it help me render some heavy pages faster? How is SPDY related to CDN and what industries use SPDY?
How to pic the best CDN available for hosting locally
The term CDN stands for Content Delivery Network. It is a unified system of cache servers that employs geographical proximity as its criteria when delivering or distributing web content. Content exists as numerous copies in a CDN or Content Delivery Network located on tactically dispersed servers. If a CDN is huge, it can have thousands of servers around the world.
Even if the bandwidth is inadequate, this makes it possible for the provider to distribute the same content dependably and efficiently to client computing devices that requests it. When delivering streaming audio, video, as well as IPTV or internet television, using CDNs is more appropriate though your own ISP or Internet Service Provider may use their own to transmit dynamic or static web pages.
A CDN management application dynamically determines or computes the nearest possible server to the requesting client then transmits the content according to those calculations. By doing this, the distance that the content needs to be traveled is eliminated. This also lessens the amount of hops a data packet must make.