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CLOUD COMPUTING - Coggle Diagram

- - - - Routers
      - Switches
      - Software
      - Provisioning
      - Acess control
      - LAN
      - VLAN
      - VPN
      - Firewalls
      - Load balancers
      - Gateways
      - CDN
      - Virtual Privet Cloud
        
        A virtual private cloud is an on-demand configurable pool of shared computing resources allocated within a public cloud environment
        
        Divided in segment/subnet
        
        Protected by ACL
        
        Subnet level firewall
        
        Containing Virtual Server Instances (VSI)
        
        Grouped as Security Groups
        
        Connected through
        
        Public gateways
        
        VPN gateway
        
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    - - Bare metal
        
        Single tenant physical machine
        
        Dyrere
        
        Tar lengre tid å sette opp
        
        Full kontroll over OS
      - Virtual servers
        
        Hypervisor
        
        SW on top of OS
        
        Types
        
        Type 1
        
        Directly on physical
        
        More secure
        
        Type 2
        
        Host OS mellom
        
        Less common
        
        Ex
        
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        Multi tenant
        
        Single tenant
        
        Benefits
        
        Reduced cost
        
        Agility + speed
        
        Reduced downtime
      - Serverless
    - - Object
        
        Mest vanlig
        
        Accessed via API
        
        S3 object storage (AWS)
        
        slower than File and Block
        
        It never fills up
        
        Not attached to specific compute resource
        
        Less expensive
        
        Infinite storage capacity
        
        Using buckets
        
        Containing objects
        
        Object Metadata
        
        Highly avilable
        
        Not suitable
        
        OS
        
        DB
        
        Changing content
        
        Static objects
        
        Use case
        
        Backup
        
        Data archiving
        
        AI + Analytics
        
        Cloud native app data
        
        Tiers and classes
        
        Standard tier
        
        Vault
        
        Cold vault tier
        
        Priced per GB
        
        Smart
      - File
        
        NFS
        
        Slower than the other models
        
        Lower cost
        
        Multiple servers
        
        Attached to compute node before used
        
        Speed not guaranteed
        
        Attached through ethernet network
      - Block
        
        Attached via high speed fiber
        
        Fast
        
        High IOPS
        
        Volumes
        
        One compute a time
        
        Chunks
        
        Stored separateley
        
        Mounted as a volume
        
        Not for shared disks
      - Direct Attached
        
        Not sharabele acrross nodes
    - - Regions
      - Availability zones
  - - - API and microservices
      - IoT
      - Business Analytics
      - BPM
      - MDM
    - - IBM Cloud Paks
      - Azure
      - AWS Elastic Beanstalk
      - Openshift
    - - Security
  - - - Multitenant
    - - Email & Collaboration
      - CRM
      - Financial Management
      - HR
- - - - Provided by public cloud
      - On premises
    - - Controlled internally
      - Reduced cost
      - Better scapability
      - Controlled security
      - Agility
  - - - Leverage public cloud capasity in private cloud spike
    - - Hybrid Monocloud
        
        One provider
      - Hybrid Multicloud
        
        Deployable on any public cloud
      - Composite Multicloud