If IPSec provides security at the network layer, why is it that security mechanisms are still needed at layers above IP?

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The first limitation is that it only provides coarse form policy management support, and takes the decision without the knowledge of application context (Arkko and Nikender 2005, p. 242). The policy selector of IPsec is composed of only tuple of source /destination addresses, port number and transport protocol type……
find the cost of your paper

It has become fashionable to attempt to achieve intelligent behavior in AI systems without using propositional representations. Speculate on what such a system should do when reading a book on South American geography

In considering the distinction between knowledge and belief in this book, we take the view that belief is fundamental and knowledge is simply belief where the outside world happens to….

Write a function with which you can calculate numerically the integral of a given real function with two limits a and b using the trapezoid rule. Modify fnExample4 to do this. 

Write a function with which you can calculate numerically the integral of a given real function with two limits a and b using the trapezoid rule. Modify fnExample4 to do….

Give the message flow and log entries for the hierarchical 2PC protocol for this scenario. Indicate which log entries need to be immediately forced to the stable log.

Consider the following scenario. A transaction is initiated from a PC to make reservations for a vacation. The initiator communicates directly with a travel agency and a rental car company…..