1. Amazon dynamodb. https://aws.amazon.com/dynamodb/features/5/5/21. Amazon dynamodb. https://aws.amazon.com/dynamodb/features/5/5/21.
2. Apache traffic server. https://trafficserver.apache.org. Accessed: 2019-04-22. Apache traffic server. https://trafficserver.apache.org. Accessed: 2019-04-22.
3. Azure cache for redis. https://azure.microsoft.com/en-us/services/cache/#what-you-can-build 5/5/21. Azure cache for redis. https://azure.microsoft.com/en-us/services/cache/#what-you-can-build 5/5/21.
4. Fatcache. https://github.com/twitter/fatcache. Fatcache. https://github.com/twitter/fatcache.