Large numbers of hosts on a single network:
Actual Data Overhead
A big part of the overhead is broadcasts.
In this context, each network is called a broadcast domain.
Switches forward broadcasts to each device connected to a switch port.
If we can reduce broadcast overhead, it would improve performance on the network.
Excessive broadcast traffic can cause network congestion, and cause systems within that broadcast domains to be slowed down by having to process large amounts of packets.
elimination of broadcast traffic
Complex address schemes
A broadcast storm is what occurs when the number of broadcasts on a broadcast domain reaches a certain level that causes the network to shut down for useful traffic entirely.
A broadcast storm can cause a network to become too congested to transfer any useful traffic; switches are susceptible to broadcast storms.
This device is called a ROUTER. Routers are by default configured to not pass the broadcast traffic to another networks to which it connects. But by some means it could be also a SWITCH - sometimes it can be configured to filter different type of network traffic.
Generally speaking, routers will unicast-forward incoming packets which have a network broadcast address as destination, unless they are directly connected to that network/subnet and therefore know that the destination address is a broadcast address
10.56.176.0 is your network. 255.255.240.0 is your subnet mask. Valid broadcast addresses would be 10.56.176.255 (network broadcast) and 255.255.255.255 (general network broadcast). The general network broadcast would actually broadcast to every machine on the internet, but internet routers will block all traffic from it to prevent this. In effect if you use either 10.56.176.255 or 255.255.255.255, the result is broadcasting to all machines on your network.
HUB in a collision Domain, Switch in Local Network.Broadcasting in network is done to locate devices in Network. Hub broadcasts through all its port whereas Network Switch Broadcast traffics within a Port & out of all ports only if new device is to be found.
Routers create a private virtual session for each connection, they do not broadcast your connection to all computers, they optimize network traffic.
a helicam
Network capacity taken up by broadcasts cannot be used by normal network traffic, and because broadcast domains are not (by default) broken up by switches (only routers) they typically affect large numbers of hosts simultaneously.Users will complain of slow or unavailable network response if it gets too bad.