Cloud Services For Dummies, IBM Limited Edition  24 The key requirements for IaaS and PaaS include the following: ✓ A consistent platform that’s optimized to support a variety of workloads needed by customers ✓ An integrated stack of middleware optimized for automated  deployment and management of heterogeneous workloads  that dynamically adjusts ✓ Reliable, highly secure and scalable platform ✓ A choice of deployment models that support the right  service level, quality of service, and security required to  support constituents  The continuum of the cloud rests on the reliability and  security of the platforms used and the track record of the  cloud provider to support customers’ demands. These materials are the copyright of John Wiley & Sons, Inc. and any  dissemination, distribution, or unauthorized use is strictly prohibited.