What is a Broadcast ?

Hi everyone, on today we are going to learn about broadcast in simple terms.

Broadcasting is the simultaneous transmission of the same message to multiple recipients. 

In networking terms we can say in short that, 

• Broadcasting occurs when a transmitted data packet is received by all network devices.
• Security issues may arise during broadcasting and lead to data loss if a network is attacked by intruders.  

In a non-networking or an electronic broadcasting, the term broadcasting denotes the transfer of audio and video data between nodes and devices.

Broadcasting may occur in either of the following ways:

• A high-level program operation, such as broadcasting the Message Passing Interface (MPI)
• A low-level networking operation, such as broadcasting via Ethernet.

Broadcasting is basically limited to local area network (LAN) systems. In a LAN however, its performance impact is more substantial in a wide area network (WAN).

Example : Internet Protocol Version 6 (IPv6) uses multicasting, rather than broadcasting, to avoid network interruption when services are required by only one or two nodes. During data transmission, IPv6 transmits data directly to devices and does not disturb network device traffic.

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