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You should develop a system consisting of an application acting as a broker and several agents that need to communicate between them. The agents can only communicate in pairs (i.e. each agent can only communicate with one agent at the time). At any given time, several agents should be able to communicate in pairs. Each agent is controlled by a user. Each agent takes a message from the user and sends it to another agent or displays the message it receives to the user. The broker will keep an updated list of agents who have registered themselves as available for connection. The broker will also keep a list of agents that are connected and their status (i.e. are they available for communication? are they already busy communicating and then temporary unavailable for communication?, etc). If requested, the broker should make this information available to the agents. In this way, an agent can specify another agent it wishes to communicate with. Each agent can run on a different machine. Once two agents have agreed to communicate, messages should be routed directly from one agent to the other without using the broker as intermediary. Each agent should allow the user to:
In your report you should outline the major issues involved in this application pertaining to distributed systems (such as possible communication protocols that will be used in the system, concurrency control a justified selection of the architecture on which a prototype system may be based, the application you have built (design, implementation, evaluation etc).
Your program must be based on the case study scenario listed above and any assumptions you had to make. Please clearly state your assumptions.
TCP is connection-oriented. Connection-oriented is a kind of connection established between the source & destination machines before any data is sent that means a connection is est
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Pretty much any end-user program is an best example of the Application Layer.
Token Bus Physical order of stations doesn't matter Line is broadcast medium "Send" token by addressing neighbour Provisions for deleting, adding stations
Questions: A signal of amplitude 10 mV is fed to the amplifier in the figure. What is the amplitude of the voltage at the output from the amplifier?
Explain the meaning of bastion host?
Besides these hardware overheads, there are certain software overheads imposed by libraries, parallel compilers, tools and operating systems. The parallel programming languages
Switching via an interconnection network The switching techniques overcome the bandwidth limitation of a single shared bus. This technique use a more sophisticated interco
i) Identify at least two items at every site that needs upgrading [2 Marks] ii) What type of WAN connection (link) might you use to connect the three sites to each other?
VLAN ( Virtual Local Area Network) is a concept of creating distinct broadcast domains. It is a network which aims at partitioning the physical network. VLAN comprises all the attr
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