platform as a service Archives

Computing services: from PaaS to Serverless

March 14, 2023October 21, 2022 by Digi Hunch

Silicon Valley startups in mid-2000s likely do not run their own IT operations (i.e. renting their own data centre spaces, purchasing their own rack-mounted servers). Since the launch of EC2, AWS has been renting extra computing capacity to those startups, in the IaaS model. The leased infrastructure requires maintenance work, and AWS realized that many … Read moreComputing services: from PaaS to Serverless

Virtualization 1 of 4 – Hypervisor

January 3, 2023July 27, 2020 by Digi Hunch

In broad terms, virtualization of computing resource is about isolation of resources, at different levels. There are five levels of virtualization: In my context I deal mostly with OS level and HAL (hardware abstraction layer) level of virtualization. In loose terms, the word containerization refers to OS level virtualization, while the word virtualization is exclusively … Read moreVirtualization 1 of 4 – Hypervisor