Publish Subscribe

https://www.pubnub.com/blog/2014-08-21-amazon-sns-pubnub-differences-pubsub/

Conversely, PubNub supports an unlimited number of PubNub channels. This allows every end-user device to have its own channel for one-to-one connectivity.

https://www.quora.com/What-are-the-competitive-advantages-of-Pusher-vs-PubNub

https://pusher.com

https://www.pubnub.com/

http://www.slant.co/versus/16339/2487/~greenhouse-ci_vs_phpci

SQL Server

SQL Server Data File, Log File

http://blog.sqlauthority.com/2013/08/14/sql-server-sql-basics-database-datafiles-and-logfiles-day-8-of-10/

Search

http://www.nextopia.com/

https://swiftype.com/pricing

SQL Server Licensing

http://ark.intel.com/products/84683/Intel-Xeon-Processor-E7-8880-v3-45M-Cache-2_30-GHz

https://sqlserverperformance.wordpress.com/2010/10/09/what-are-physical-sockets-physical-cores-and-logical-cores-and-why-does-it-matter/

windows Memory Usage

https://prashantd.wordpress.com/2013/11/14/solved-high-memory-usage-by-metafile-on-windows-2008-r2/

https://channel9.msdn.com/Events/TechEd/NorthAmerica/2011/WCL405

http://superuser.com/questions/437918/how-do-i-find-whats-eating-up-all-of-my-systems-memory-not-superfetch