Introduction to Cloud Computing Insigma Hengtian Software Ltd. * 部分材料摘自 * 部分材料摘自 Jimmy Jiang , Doug Terry Shanping Li 2011-10-12.

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Presentation transcript:

Introduction to Cloud Computing Insigma Hengtian Software Ltd. * 部分材料摘自 * 部分材料摘自 Jimmy Jiang , Doug Terry Shanping Li

AGENDA >Historical Perspective >Definition >Benefits >Reference Architecture >Technologies

个人观点 > 云计算是 IT 技术集大成者,但是鲜有技术创新 > 云计算是业务模式的创新 > 云计算的成功取决于 技术 内容 > 核心竞争:如何将用户 “ 捆绑 ” 在你这片云彩上

云计算发展历史

NIST’s Definition >Cloud computing is a model for enabling ubiquitous, 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. >This cloud model promotes availability and is composed of five essential characteristics, three service models, and four deployment models.

FIVE Essential Characteristics >On-demand self-service >Broad network access >Resource pooling >Rapid elasticity >Measured Service

THREE Service Models -- By Service Type >IaaS (Infrastructure as a Service) Offering web-based access to storage and computing power. The consumer does not need to manage or control the underlying cloud infrastructure but has control over the operating systems, storage, and deployed applications. Samples: Amazon EC2/S3 >PaaS (Platform as a Service) Giving developers the tools to build and host web applications Samples: Google App Engine, Microsoft Windows Azure >SaaS (Software as a Service) Access applications from various client devices through a thin client interface such as a web browser Samples: Salesforce online CRM >ITaaS / XaaS More Generic More Specific

THREE Service Models

FOUR Deployment Models -- By Usage >Private Cloud >Community Cloud >Public Cloud >Hybrid Cloud

Cloud Reference Architecture Service Interface Service Register Service Discovery Service Access Workflow SOA Layer User Mgmt ID Mgmt User Environment Mgmt Interactive Mgmt Billing Task Mgmt IMG deploy & Mgmt Task Dispatch Task Execution Life Cycle mgmt Resource Mgmt Load Balance Error Detection Monitoring & Metrics Authenticatio n Authorization Auditing General Protection Security Mgmt Disaster Recovery Calculation Pool Storage Pool Network Pool Data Pool Software Pool Resource Pool Computer Storage Network Database Software Physical Resource Management Middleware