root - The Cloud and SRE blog.

REST vs. GraphQL APIs – how to choose?

root — Fri, 09 Dec 2022 05:58:51 +0000

REST APIs has been around for a while now, while GraphQL is relatively new to the game. While they both are used for data transfer – sending HTTP requests and receive HTTP responses, they both have their own unique characteristics.…

The post REST vs. GraphQL APIs – how to choose? first appeared on The Cloud and SRE blog..

GraphQL for API Development

root — Sat, 19 Nov 2022 18:27:55 +0000

What is it? GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. It was originally created at Facebook in 2012 for describing the capabilities and requirements of data models for client-server…

The post GraphQL for API Development first appeared on The Cloud and SRE blog..

What is Address Resolution Protocol (ARP)?

root — Fri, 18 Nov 2022 15:29:13 +0000

ARP is a communication protocol used for discovering link layer address associated with a given internet layer address. Eg: find the MAC (media access control) addresses associated with IPV4 addresses. It is a request-response protocol whose messages are encapsulated by…

The post What is Address Resolution Protocol (ARP)? first appeared on The Cloud and SRE blog..

The CAP theorem

root — Wed, 02 Jun 2021 22:38:58 +0000

The CAP theorem coined by computer scientist Eric Brewer, offers a way to formalize the trade-offs between consistency and availability in the presence of partitions, in distributed systems. The theorem states that we will need to choose 2 out of…

The post The CAP theorem first appeared on The Cloud and SRE blog..

The 7 layers of ISO OSI model

root — Wed, 02 Jun 2021 04:41:44 +0000

The International Organization for Standardization came up with the Open Systems Interconnection (OSI) conceptual model which provides a standard for diverse computer systems to be able to communicate with each other using standard protocols. The OSI Model can be seen…

The post The 7 layers of ISO OSI model first appeared on The Cloud and SRE blog..

NAS vs SAN – A brief comparison.

root — Sun, 30 May 2021 20:00:45 +0000

Network Attached Storage [NAS] NAS is a specialized data storage device connected to a network providing data access to other machines in the network over ethernet. It’s hardware, software, or specific configuration, limits it from doing any function other than…

The post NAS vs SAN – A brief comparison. first appeared on The Cloud and SRE blog..