Reference no: EM13137069
1. Lists, figures, pseudo code, or source code can be included in your answer; however you need to ensure all questions are answered in complete sentences and paragraphs.
Part 1. Text reading
Chapters 11, 12, 17, 18
Part 2. Textbook questions
Chapter 11
11.1 Briefly describe the most common security threats for Web services, and the countermeasures against these threats.
11.2 Briefly describe the most common techniques to protect the security of Internet communications.
11.3 Briefly describe the XML security services and standards: XML Encryption, XML Signature, SAML and XACML.
11.4 Briefly describe the components of WS-Security.
Chapter 12
12.1 What are the most common types of policies for Web services?
12.2 What are the main components of WS-Policy Framework?
12.3 Briefly explain the purpose of effective policies and policy scopes in WSDL.
Chapter 17
17.1 How is Web service management different from conventional distributed computing systems management?
17.2 What are the most prominent functions of service management?
17.3 What is the purpose and main characteristics of the Management of Web Services specification?
Chapter 18
18.1 What are the essential characteristics of Cloud Computing?
18.2 How is Cloud Computing related to SOA initiatives?
18.3 What are the perceived benefits of Cloud Computing? What are the perceived risks? How can these risks be circumvented?
Part 3. Practical Assignment (20 points)
Note: this exercise will be another foundation for your project assignment.
Exercise 5.3 (p. 176 of the textbook, the question is copied below just in case you have a different version of the textbook)
Define a simple Web service in WSDL that returns flight information regarding flights of a particular flight operator, see Exercise 3.4.
Instructions:
Again this assignment is based on the XML schema you developed for Assignment 1. In Assignment 1, if the schema you designed does not support the required queries, you will need to make revisions accordingly.
In Assignment 2, if you have implemented the SOAP service using WSDL, you may continue to refine the project and write a brief report. Otherwise you need to implement it using WSDL in this assignment, and include the following components in your submission.
1. A report that shows your design, your implementation, and your test cases. You need to show important design decisions you make, key algorithms and data structures you used (if any), and the platform (e.g., software, hardware) based on which the system is implemented. You also need to show screenshots of the execution of your system.
2. A working prototype of the system. You can use any platform or IDE you feel comfortable with as long as you clearly report these details in the project report. Submit the source code along with instructions how to execute your system.
Note that the input (queries on the flight availability) and output (response to queries) can be written in any of the following formats: XML file, plain text file, or system I/O. The system can be tested on a live web server, or on a simulated environment such as a local host.
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