Online services

Applications software
1. Locally installed
  1. Advantages
    1. Works without being online
    2. You hold software licence
    3. Security is good
  2. Disadvantages
    1. Large file space used
    2. Needs to be backed up regularly
    3. Must download & update regularly
2. Hosted software (Internet based)
  1. Advantages
    1. No file space needed
    2. Can collaborate on a shared document
  2. Disadvantages
    1. Need Internet
    2. Not as secure
    3. Response time depends on network speed
3. Proprietary
  1. Pay to use software e.g. Microsoft
4. Open source
  1. Free to use e.g. Open Office, Google docs
Storage
1. Local storage
  1. Advantages
    1. Control over access to files & security
    2. Quick data access
    3. No need for Internet
  2. Disadvantages
    1. You have to keep data safe
    2. Difficult to share data
    3. Have to back up data
2. Online storage
  1. Advantages
    1. Data accessible anywhere with an Internet connection
    2. Some free storage
    3. Easy to share data
    4. Data is backed up for you
  2. Disadvantages
    1. Trust host will keep data secure
    2. Data storage may not be reliable
    3. Need fast Internet connection to access data
    4. Less control of your data
Commercial response to SaaS (Sofware as a Service)
1. To compete with free software, commercial producers have ..
  1. Made products more appealing
  2. Bundled software into new computers
  3. Provided technical support
  4. Used copyright
  5. Offered own versions of software as a service

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	Creado por Sue Salih hace más de 10 años