CloudEngine is an easy way to create a social web site for discussing & aggregating ideas & resources. It is ideal for running events & fostering discussion. It is the free, open source software that powers Cloudworks —
Content delivery networks (CDNs) are used by all big sites to improve uptime, reduce latency, deal with traffic spikes, etc. They can also help with security - particularly denial of service attacks (DOS).
Content delivery networks (CDNs) are used by all big sites to improve uptime, reduce latency, deal with traffic spikes, etc. They can also help with security - particularly denial of service attacks (DOS).
CloudFlare (http://www.cloudflare.com) has free and paid plans and is used by http://moodle.org (I also use it for my personal blog/site - http://freear.org.uk).
It is easy to configure via a web interface - you just need the ability to specify your own DNS/name servers.