Cloud Architectures
Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. cloud computing customers do not own the physical infrastructure. Cloud computing users avoid capital expenditure ( CapEx ) on hardware, software, and services when they pay a provider only for what they use. Low shared infrastructure and costs, low management overhead, and immediate access to a broad range of applications