The document outlines different cloud deployment and service models. Public clouds use shared infrastructure while private clouds have dedicated infrastructure. It notes opportunities in public clouds around innovation, economies of scale, and speed to market but also perceived risks regarding security and privacy. It shows infrastructure as a service (IaaS), software as a service (SaaS), and business process as a service (BPaaS) as common cloud service models.

1. Recognizing the Realities of Cloud Deployment
Cloud
Strategy
Cloud Deployment Models
Public Cloud Private Cloud
Shared Infrastructure Dedicated Infrastructure
Opportunity Perceived Risk Caution!
• Inherent Security & data Does not fully
Innovation privacy realize cloud’s
• Economies of concerns promise
Scale
• Speed to
Market
Converged / Utility / Dynamic
IaaS SaaS BPaaS
Computing
Cloud Service Models
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