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Java Networking
Java Networking is a concept of connecting two or more computing devices together so that we can share resources.
Java socket programming provides facility to share data between different computing devices.
Advantage of Java Networking
- sharing resources
centralize software management
How to perform connection-oriented Socket Programming in networking
?- How to display the data of any online web page ?
- How to get the IP address of any host name e.g. www.google.com ?
- How to perform connection-less socket programming in networking ?
Java Networking Terminology
The widely used java networking terminologies are given below:
IP Address
Protocol
Port Number
MAC Address
Connection-oriented and connection-less protocol
Socket
1) IP Address
IP address is a unique number assigned to a node of a network e.g.
192.168.0.1 . It is composed of octets that range from 0 to 255.
It is a logical address that can be changed.
2) Protocol
A protocol is a set of rules basically that is followed for
communication. For example:
TCP
FTP
Telnet
SMTP
POP etc.
3) Port Number
The port number is used to uniquely identify different applications.
It acts as a communication endpoint between applications.The port number is associated with the IP address for communication
between two applications.
4) MAC Address
MAC (Media Access Control) Address is a unique identifier of NIC
(Network Interface Controller). A network node can have multiple NIC
but each with unique MAC.
5) Connection-oriented and connection-less protocol
In connection-oriented protocol, acknowledgement is sent by the
receiver. So it is reliable but slow. The example of
connection-oriented protocol is TCP.But, in connection-less protocol, acknowledgement is not sent by the
receiver. So it is not reliable but fast. The example of
connection-less protocol is UDP.
6) Socket
A socket is an endpoint between two way communication.
Visit next page for java socket programming.
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