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IT533 - SOFTWARE ARCHITECTURES - CLASS 8
ASSIGNMENT

To: (Problems)

Readings (Top)

  1. Read the article titled 5 Paths to Persistence by Savarese. This article is related to material that was covered this week.

  2. Read the article titled Persistence Alternatives Using an EJB Component Architecture by Seltzer and Bhatt. This article is related to material that was covered this week.

  3. Read the attached article titled Singularly Vulnerable by Petreley.

  4. Read the attached article titled Making Sense of Middleware. This article is related to material that will be covered next week.
    Note that this article was written four years ago. Although the technology has improved over those four years, the underlying concepts have not changed very much.

  5. Read the attached article titled JMS Delivers the Message by Varhol. This article is related to material that will be covered next week.

Problems (Top)

  1. Choose a data management method for the Nirvana Widget Rebate System. Justify your answer.

  2. Choose a data management method for the Nirvana Business License and Tax System. Justify your answer.

  3. An architect specified that following lock strategies for an order entry system that reserves product quantities when an order is placed:

    Object Lock Strategy
    Customer Optomistic OffLine Lock
    Order Optomistic OffLine Lock
    Product Pessimistic Offline Lock

    What reasoning do you suppose the architect used to make these choices?


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Prepared by David L. March -- Last Revised on May 16, 2003
COPYRIGHT © 2003 BY DAVID L. MARCH