The Cloud Myths, Schemes, and Dirty Little Secrets
summary
Amazon demonstrates ephemeral vs persistent images: spot instances vanish when price spikes and instance-store data disappears, while EBS-style images persist until explicitly deleted. Live migration works but requires 10Gb networks, shared SANs, and identical CPU families, and in practice "moving" a VM is really copying — all server motion is copying. State and database egress remain hard and slow; reuse existing monitoring (Tivoli, Nagios, SCOM) and ops skills, favor incremental renovation over full rewrites for most enterprises.
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chapters (6)
- 0:00Intro
- 2:19Cloud Server Lifetime
- 6:43Server Motion
- 11:28Enterprise Architecture
- 14:31Hybrid Cloud
- 15:21Summary
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