What is the purpose of a Key Distribution Center (KDC)?
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What is the purpose of a Key Distribution Center (KDC)?
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- SUNWAYMART ONLINE ORDERING AND DELIVERY SYSTEM The SunwayMart in Kuala Lumpur has decided to build an online ordering and delivery system. As part of this, a database with the following facilities has to be designed for SunwayMart. SunwayMart wants customers to be able to browse the product catalogue and place orders over the Internet. On the website, customers should first identify themselves by their unique customer identification number. Then they should be able to browse the catalogue and to place orders online. The product catalogue includes all the products sold by the mart. For each product, a unique product code, the product name, manufacturer’s name and unit price are stored. An additional attribute of photo number will also be used to identify the photograph of the product in the catalogue. SunwayMart also maintains a list of the internet customers’ records with their identification number, name and address, date of birth, gender, telephone number and email address.…Describe the role of a distributed transaction coordinator and the challenges involved in managing distributed transactions.Businesses that use several DDBMSs do so for various reasons.
- Explain the concept of distributed transactions in a DDBMS. Describe the ACID properties and their significance in the context of distributed transactions.Explain the key principles of designing loosely coupled services in SOA.DS:CSE Define what it means for an interleaving of two transactions to be serially equivalent-