Briefly Describe the Application Architecture of XMPP - IT Assignment Help

Assignment Task:

Task:

Question 1 
Subnetting
Subnetting task #1 [15 marks]
An ISP has provided your California based company with the Class A network 15.0.0.0.
Devise a fixed-length subnetting scheme that divides this into seven (7) usable subnets.
You should assume that the all zero's and all one' subnets are not usable.
Subnetting task #2 [15 marks]
Your company also operates out of a second site located in Massachusetts, another ISP has provided your company with the 16.0.0.0/17 network.
Devise a fixed-length subnetting scheme that divides this into five (5) usable subnets.

Question 2 (30 marks) —
Protocols

Investigate the application protocol XMPP and answer the following questions:
a. [5 marks] Briefly describe the application architecture of XMPP. (Your answer should include an explanation of why you think that this application architecture was chosen by the protocol designers)
b. [5 marks] How is payload data represented by XMPP?
c. [5 marks] Briefly describe the format and operation of the addressing scheme used by XMPP.
It is very rare for a single protocol to be able to operate without assistance from other protocols in order provide all the functionality required by an application. These other protocols could be at the same, or different layers of the protocol stack.
d. [5 marks] What other network protocol(s) does XMPP rely upon in order to function?
e. [10 marks] What is it that these other protocols provide that is essential for the operation of XMPP?

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