Nt1330 Unit 1 Research Paper

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1)
a)Specify your protocol by listing the messages exchanged and the action taken by the automatic teller machine or the bank’s centralized computer on transmission and receipt of messages.
Solution :
There may be various types of message exchange. Given is a possible message exchange.
Message from ATM to Bank Centralized computer(server)
Message Description
INSERT To notify server that a user has inserted ATM card.
PIN User inserts pin number and send to server.
OK Request Operation
BALANCE User requests balance
WITHDRAWAL User request to withdrawal for some amount
QUIT User leaves the system

Message from Bank Centralized computer(server) to ATM
Message Description
PROMPT Ask user to enter password
SUCCESS Display success after a transaction completes successfully
ERROR Display error messages
BALANCE Sent requested user total balance
BYE …show more content…
It uses a link state routing algorithm and falls into the group of interior routing protocols, operating within a single autonomous system (AS). OSPF (Open Shortest Path First) is a router protocol used to find the best path for packets as they pass through a set of connected networks. Unlike RIP, which requires routers to send the entire routing table to neighbors every 30 seconds, OSPF sends only the part that has changed and only when a change has taken place.

BGP (Border Gateway Protocol)
Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information between autonomous systems (AS) on the Internet. The protocol is often classified as a path vector protocol but is sometimes also classed as a distance-vector routing protocol. The Border Gateway Protocol makes routing decisions based on paths, network policies, or rule-sets configured by a network administrator and is involved in making core routing
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