VirtuaSol has taken the steps to strategically place our Points of Presence (POPs) at critical locations both in network terms and geographical terms around the world. The VirtuaSol VIRTUASOL CDN has local POPs on four continents; North America, Europe, Asia, and Australia. We have selected Los Angeles, Miami, New York, London, Berlin, Tokyo, Hong Kong, Singapore, Seoul, Manila, Kuala Lumpur and Sydney. We have selected these locations for a number of key reasons, including: They are the key strategic Internet exchange and peering locations around the world, where the majority of the Internet traffic is exchanged from carrier network to carrier network. From these locations, your users are only milliseconds away from your content on the VirtuaSol VIRTUASOL CDN.

Having our POPs located directed at these peering points allows us to tap into both the public and private inter-network peering opportunities availed to us at these exchange points.

Furthermore, VirtuaSol POPs are numerous enough to provide complete global coverage and place the content on the edge of the Internet near end-users (especially large concentrations of users), but not so diverse that we are unable to cost-effectively cache and serve video and other large files and downloads. Thus, our clients are able to take full advantage of a VIRTUASOL CDN with complete global coverage and local POP presence at the key exchange points around the world, ensure that their services from VirtuaSol are optimized to be the most cost-effective, and benefit from a targeted 100% cache to hit ratio when their content is requested.

POPArchitecture

At the heart of the stellar performance of the VirtuaSol VIRTUASOL CDN is our patent-pending GEOAdmin Global Load Balancing technology, which uses proprietary routing algorithms to route the users directly to the POP nearest to them, or the POP that will best serve them in terms of content speed.

GEOAdmin servers are located in each VirtuaSol POP, and account for a number of factors when they build and update their algorithms, including the number of network hops to the end-user, the physical geographic location of the user, Internet congestion to the end-user, server and data center load and performance, and number of different networks that a user would travel through to access the content. While some legacy VIRTUASOL CDNs use multi-level DNS to attempt to triangulate the position of a user to determine the best location, GEOAdmin monitors that specific user location, so no matter where the local DNS server of that user, GEOAdmin will not be fooled into thinking the user is in a location where they are physically not.

By continuously monitoring these user connections and the general state of the Internet, our GEOAdmin seamlessly route all users to their local VirtuaSol POPs, or, because GEOAdmin is continuously monitoring the health of the Internet, in the event of Internet congestion or performance issues at a certain location on the Internet, to the VirtuaSol POP that may not be geographically closest to the user, but is best suited to serve the content from a speed and network performance perspective.