• Virtual Servers In The Cloud

• EC2 is the instance computing platform for servers in the cloud. This service makes up several

different features such as Elastic Load Balancer, Auto Scaling, EBS Volumes, and EC2 instances.

• A deprecated version of Amazon EC2 is known as EC2-classic and is no longer available on

new accounts created after December 2013.


Virtualization Types

HVM AMIs (Hardware virtual machine)

• Can use special hardware extensions

• Can use PV drivers for network and storage

• Usually the same or better performance than PV alone

PV AMIs (Paravirtual)

• Historically faster than HVM, but no longer the case


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