Cloud

hon sam Chan
Mind Map by hon sam Chan, updated more than 1 year ago
hon sam Chan
Created by hon sam Chan over 4 years ago
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ch1-4
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Resource summary

Cloud
1 Characteristics
1.1 On-demanded self-service
1.2 Board network access
1.3 Location independent resource pooling
1.4 Rapid elasticity
1.5 Measured service
2 Technologies enable cloud computing
2.1 Orchestration

Annotations:

  • automated coordination and management of IT resoources are management issue that need to be deal with
2.1.1 Managing assets
2.1.2 Monitoring services
2.1.3 Change management
2.1.4 Billing and Metering
2.2 Provisioning

Annotations:

  • Process of making computing resources available to users
2.2.1 Provisioning
2.2.2 Deprovisioning
2.2.3 Self-service provisioning
2.3 Networking

Annotations:

  • Neede for high-speed network
2.4 Virtualisation & Hypervisor

Annotations:

  • Hypervision allow muti-operation system in same machine, which allow virtualisation
2.4.1 Characteristics
2.4.1.1 Partitioning
2.4.1.2 Isolation
2.4.1.3 Encapsulations
2.4.2 Benefits
2.4.2.1 Consolidation to reduce hardware cost
2.4.2.2 Optimization of workloads
2.4.2.3 IT flexibility and responsiveness
2.4.3 Type
2.4.3.1 Storage Virtualization
2.4.3.2 Network Virtualization
2.4.3.3 Compute Virtualization
3 Cloud Service Models

Annotations:

  • Must enable Multitenancy
3.1 IaaS

Annotations:

  • computer, storage and networking as a service
3.1.1 Traditional Procedure
3.1.1.1 Sizing estimate
3.1.1.2 Evaluate alternative
3.1.1.3 Procurement
3.1.1.4 Receive
3.1.1.5 Provisioning
3.1.1.6 Effort

Annotations:

  • 100 - 200 person-hour
3.1.1.7 Duration

Annotations:

  • 6-9 months
3.1.1.8 Cost

Annotations:

  • cost vary greatly
3.1.2 Inhouse virtualisation
3.1.2.1 Reduce cost and effort
3.1.2.2 Still have hardware limits
3.1.3 Type
3.1.3.1 Computing

Annotations:

  • extra server, stand up instance of virtual machine on the cloud, can specify computer configuration
3.1.3.2 Storage

Annotations:

  • extra storage on the cloud, can specify database parameters such as Data Center, size, data redundancy options and format
3.1.3.3 Network

Annotations:

  • when need to manage netwok and IP address, virtual private network, can specify IP address range, subnets configuration, route table, network gateway, network security
3.1.4 Benifit
3.1.4.1 save cost and effort
3.1.4.2 pay-as-you-go
3.1.4.3 flexible
3.1.5 Consideration
3.1.5.1 Reliability
3.1.5.2 Security
3.1.5.3 Usability
3.1.5.4 Features
3.1.5.5 Responsiveness
3.1.5.6 Location
3.1.5.7 Support
3.1.5.8 Cost
3.1.6 Standard
3.1.6.1 Free and open source
3.1.6.2 Turn physical resources into IaaS
3.1.6.3 Provides dashboard and API management
3.1.6.4 Advantages
3.1.6.4.1 Common access and management
3.1.6.4.2 Facilitates Hybrid Clouds
3.1.6.4.3 Enables cloud integration
3.1.6.4.4 using basic IaaS capabilities
3.1.6.4.5 Increases global market / reduces competitive pressures
3.2 PaaS

Annotations:

  • provide middleware and development tools
3.2.1 Characteristics
3.2.1.1 Enable middleware platform in a short time

Annotations:

  • enables middleware platform to be deployed in a short time without the need to provision hardware or software
3.2.1.2 Access administration via browser
3.2.1.3 Speeds up development

Annotations:

  • speed up when use with API providing services
3.2.1.4 Target to software programmers, not end users
3.2.2 Reason
3.2.2.1 Speed up environment setup time

Annotations:

  • can use pre-built platform and server rather then setup all by oneself
3.2.2.2 Reduced licence cost

Annotations:

  • not necessary to have full licence for all software
3.2.2.3 Reduced time to maintain middleware applications

Annotations:

  • cons - lose some control over middleware versions, depending on vendor
3.2.2.4 Speed up development time

Annotations:

  • use of API
3.2.2.5 Reduce time to manage scalability and security
3.2.2.6 Improved performance and availability
3.2.3 Cloud Foundry
3.2.3.1 Multi-Languages
3.2.3.2 Multi-Frameworks
3.2.3.3 Multi-Services
3.2.3.4 Multi-Cloud, Multi-Iaas
3.3 SaaS

Annotations:

  • software application
3.3.1 Characteristics
3.3.1.1 not require installation
3.3.1.2 can be accessed via a browser
3.3.1.3 Quick availability
3.3.1.4 customisable and configurable
3.3.1.5 Intergration via API
3.3.1.6 Collaborative fratures
3.3.1.7 Target end users, not developers
3.3.2 Advantages
3.3.2.1 improved business agility
3.3.2.2 Less IT involvement, fewer resources for maintenance
3.3.2.3 fewer integration cost
3.3.2.4 Best of breed offerings
3.3.2.5 Decreased time to market
3.3.2.6 24x7 access around the world for internal and external users
3.3.2.7 Always run in most updated version
3.3.2.8 Effective point solutions
3.3.2.9 Optimized to work seamlessly
3.3.2.10 Expedited setup and configuration
3.3.2.11 Adaptable, flexible and robust functionality
3.3.3 Type
3.3.3.1 Collaboration
3.3.3.2 Office Productivity
3.3.3.3 Accounting
3.3.3.4 Marketing
3.3.3.5 Project Maangement
3.3.3.6 Industry
3.3.3.7 Customer Relationship Management
3.3.3.8 Enterprise Resource Planning
3.3.3.9 Human Resource Management
3.3.3.10 Content Management
3.4 BPaaS

Annotations:

  • specialised type of SaaS that cover the entire business process
3.4.1 facilitates Business Process Outsourceing
3.4.2 a series of functions to deliver service to customers
4 Cloud Deployment Models
4.1 Public Cloud
4.1.1 Low cost
4.1.2 Expertise
4.1.3 Easy access
4.1.4 switching cloud providers
4.2 Community Cloud

Annotations:

  • shared private cloud
4.2.1 Shared infrastructure
4.2.2 Shared cost
4.2.3 Shared mission, policy and compliance
4.2.4 Requires commitment
4.3 Private Cloud
4.3.1 dedicated and secure infrastructure
4.3.2 Limited by organisation's resources
4.3.3 Can run off premises
4.3.4 not require federated identity, location awareness, common APIs
4.3.5 Managed Private

Annotations:

  • located in organization's own data center, operated and managed by external vendor
4.3.6 Hosted Private

Annotations:

  • resides in vendor's data center, operated and managed by vendor, owned by organisation
4.3.7 Private Cloud

Annotations:

  • organisation owns and operates
4.4 Hybrid Cloud
4.4.1 too expensive for just private cloud
4.4.2 move some systems to private, some still run public
4.4.3 Hightened security concerns
5 Cloud by location
5.1 On-premise
5.2 Off-premise
5.3 On-shore
5.4 Off-shore
6 Service Oriented Architecture

Annotations:

  • Distributed computing
6.1 logical representation of a process
6.2 exposes a set of standard opertation
6.3 black box to its consumer
6.4 re-usable / repeatable
6.5 can be composed of other services
6.6 API
6.7 Web service and REST
6.8 Remote Procedure Calls
6.9 Java Remote Method Invocation (RMI)
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