The time to send a signal from one computer to all others, often referred to as broadcast or multicast latency, is highly variable. Key factors include:
- Network Topology: Signals travel much faster within a local area network (LAN) connected by a switch or router than across wide area networks (WANs) or the internet.
- Network Congestion: High traffic on the network can significantly delay signal propagation.
- Protocol Overhead: The specific network protocols used and their efficiency play a role.
- Processing Power: The sending and receiving devices' processing capabilities, including any encryption/decryption overhead, impact the overall time.
- Distance: For geographically dispersed systems, the physical distance signals must travel is a primary determinant.
In a highly optimized, local network, this can be milliseconds. Across the internet, it can range from tens of milliseconds to several seconds, depending on the factors above.
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