Mindmap

The Cloud

Thomas Abraham MIS Englisch

Inhalt der Mindmap

The Cloud

Companies lease their computer resources from cloud vendors instead of buying their own.  Its much cheaper and information can be accessed from anywhere.

Elastic
- The vendors can add or remove resources depending on your needs.  You only pay for what you use.
Leasing
- IaaS Ex. EC2
- PaaS Ex. Azure
- SaaS Ex. iCloud
Pooled
- The same hardware and software can be shared by many clients.  They need the resources at different times like April for accountants and September for universities.
The Internet
- Initiated by the Department of Defense in 1969.  First network is ArpaNet.  Later CSNet, BitNet, AOL, etc.  In 1989 they could connect and form the Internet.
- IP Address
- TCP/IP
  - Protocols
    - FTP
    - HTTP
    - SMTP
- Network of Networks
  - Network
    - PAN
    - LAN
      - LAN Device
        Router
        Switch
        Access Point
      - Protocols
        Ethernet/IEEE 802.3
        WiFi/IEEE 802.11
    - WAN
- ICANN
  - The Internet Corporation for Assigned Names and Numbers i
  - Domain Names
    - Kean.edu or amazon.com are domain names
    - URL
      - http://www.kean.edu/~tabraham
- Services
  - WWW
    - Invented by Tim Berners-Lee in 1991.  The dot com boom used the web to sell stuff.
    - Web Servers
      - 3 Tiers
        User
        Server
        Database
    - HTML/XML
    - Browsers
  - Email
  - Streaming
Computer Resources
- Hardware
  - Storage
  - Servers
- Software
  - Application
  - System
  - Virtualization
- Database
- People and Procedures

Beschreibung: MIS Mindmap am The Cloud, erstellt von Thomas Abraham am 28/11/2017.
Erstellt von: Thomas Abraham
Aufrufe: 655
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