javanetworking.pdf

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Java Networking
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Topics
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Basic Concepts on Networking
– IP Address
– Protocol
– Ports
– The Client/Server Paradigm
– Sockets
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The Java Networking Package
– The ServerSocket and the Socket Class
– The MulticastSocket and the DatagramPacket Class
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Basic Concepts on Networking
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The Internet
– A global network of computers connected together in
various ways
– Remains functional despite of diversity of hardware
and software connected together
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Possible through communication standards defined
and conformed to
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Guarantee compatibility and reliability of
communication
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Basic Concepts on Networking: IP
Address
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Logically similar to the traditional mailing address
– An address uniquely identifies a particular object
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Each computer connected to the Internet has a
unique IP address
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A 32-bit number used to uniquely identify each
computer connected to the Internet
– 192.1.1.1
– docs.rinet.ru
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Basic Concepts on Networking:
Protocol
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Why protocols?
– Different types of communication occurring over the
Internet
– Each type of communication requires a specific and
unique protocol
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Definition
– Set of rules and standards that define a certain type
of Internet communication
– Describes the following information:
Format of data being sent over the Internet
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