Cloud Computing
High Availability and Disaster Recovery
High availability keeps a service running through ordinary failures. Disaster recovery brings it back after something large. RTO and RPO decide which...
#Hands On Lab
Step by step exercises to run yourself.
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Cloud Computing
Scalability and Elasticity
Scalability is the ability to grow. Elasticity is growing and shrinking automatically as demand moves. Vertical and horizontal scaling solve different...
Cloud Computing
Traditional IT and Cloud Compared
On premises, colocation, managed hosting and cloud are four different deals. Comparing them on cost, lead time, control and responsibility makes the c...
Cloud Computing
What Cloud Computing Actually Is
Cloud computing is renting computing resources over a network and paying for what you use. Five characteristics separate a real cloud service from a r...