120 likes | 262 Views
Network application pros and cons. S kills : none C oncepts : network services pros and cons, service level agreement, application hosting alternatives. This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. . Where does this topic fit?.
E N D
Network application pros and cons Skills: none Concepts: network services pros and cons, service level agreement, application hosting alternatives This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.
Where does this topic fit? • Internet concepts • Applications • Technology • Implications • Internet skills • Application development • Content creation • User skills
Network services pros and cons + The application can be run from anywhere, including by mobile workers + Savings in in-house IT infrastructure + Savings in in-house personnel – system administrators and developers + The service provider has specialized expertise and skilled employees + Software can be continuously upgraded and debugged + Vendor sees how the application is used, and can focus on what people want + Upgrades do not have to be installed on client machines + Initial investment by the user is minimized ? Operating expense may be greater or less ? Reliability and availability may be increased or decreased - Intruders may be able to access the application - The service might not be as flexible and well tailored as software written in house - The service vendors may go out of business - The service vendor may alter the service, pricing, etc. - Data may be insecure at the vendor's site, particularly if it is out of the country - Exporting your data may be difficult or impossible, locking you into the service
Gmail down
Google Wave is discontinued “We don't plan to continue developing Wave as a standalone product, but we will maintain the site, at least through the end of the year”. Senior Vice President UrsHolzle 8/04/2010 02:00:00 PM Zap!!
Hosting options Who owns the hardware? (User/Vendor) Where is it located? (Local/Cloud) Who owns the application software? (User/Vendor)
Summary Zap!!
Self-study questions Give an example for each of the pros and cons listed in the initial slide. Some university experience with network applications: http://cis471.blogspot.com/search/label/university%20cloud Pick one of the pros and cons and create a slide that illustrates it. Like my slides, yours should include an image, and notes for explanation. Find an example of a situation in which each of the four hosting options we mentioned is used.
Resources Google Apps dashboard: http://www.google.com/appsstatus#hl=en Announcement that Google Wave would be dropped: http://googleblog.blogspot.com/2010/08/update-on-google-wave.html