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IEEE 802.11 RTS/CTS (request to send/clear to send) is the optional mechanism used by the 802.11 wireless networking protocol to reduce frame collisions introduced by the hidden node problem. Originally the protocol fixed the exposed node problem as well, but later RTS/CTS does not, but includes ACKs.
If the network is busy, the device waits for a random amount of time before attempting to transmit again. If a collision is detected during transmission, the devices involved stop sending data and implement a backoff algorithm to avoid further collisions. CSMA/CA is a protocol commonly used in wireless networks to avoid collisions.
The strategy is based on the assumption that a potential intruder under attack has fewer abilities. Examples of this strategy include creating and using lists of trusted networks, devices, and applications, blocking untrusted addresses, and vendor management. This is a supporting strategy for boundary protection and information system monitoring.
Pushing service-specific complexity to the endpoints can cause issues with mobile devices if the device has unreliable access to network channels. [28] Further problems can be seen with a decrease in network transparency from the addition of network address translation (NAT), which IPv4 relies on to combat address exhaustion. [29]
A flat network is a computer network design approach that aims to reduce cost, maintenance and administration. Flat networks are designed to reduce the number of routers and switches on a computer network by connecting the devices to a single switch instead of separate switches.
Routers and other network-layer devices form boundaries between broadcast domains. The notion of a broadcast domain can be compared with a collision domain, which would be all nodes on the same set of inter-connected repeaters and divided by switches and network bridges. Collision domains are generally smaller than and contained within ...
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In computer networking, network traffic control is the process of managing, controlling or reducing the network traffic, particularly Internet bandwidth, e.g. by the network scheduler. [1] It is used by network administrators, to reduce congestion, latency and packet loss. This is part of bandwidth management.