Hadoop Distributed File System (HDFS)The HDFS file system stores large files across multiple machines. It achieves reliability by replicating the data across multiple hosts, and hence does…
Hardware Virtual Machine (HVM) virtualizationLets the guest VM run as though it is on a native hardware platform, except that it still uses para-virtual (PV) network and storage drivers for improved…
hardware VPNA hardware-based IPsec VPN connection over the Internet.
Hash-based Message Authentication Code (HMAC)A specific construction for calculating a message authentication code (MAC) involving a cryptographic hash function in combination with a secret key.
health checkA system call to check on the health status of each instance in an Auto Scaling group.
HiveAn open source, data warehouse and analytic package that runs on top of Hadoop.
hosted zoneA collection of resource record sets that Amazon Route 53 hosts. Like a traditional DNS zone file, a hosted zone represents a collection of records that…
Hybrid CloudA computing environment combining both private (internal) and public (external) cloud computing environments.