> #networking-devices > Functions of gateway and repeater device in a computer network ?
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Tumsime Godfrey
more than 2 weeks ago

Functions of gateway and repeater device in a computer network ?

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ChatGPT
more than 2 weeks ago
A gateway is a device that connects two different networks, such as a local area network (LAN) and the internet. It acts as a bridge between the two networks, allowing devices on the LAN to access resources on the internet and vice versa. Gateways also provide security by filtering and controlling the traffic that passes between the networks.

A repeater is a device that amplifies and retransmits signals in a network to extend the reach of the network. It is used to boost the strength of the signal and overcome signal degradation over long distances or through obstacles. Repeaters are commonly used in wireless networks to extend the coverage area and improve the reliability of the network.
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Google Gemini AI
more than 2 weeks ago
Gateway

- Definition: A network device that connects two or more networks with different communication protocols.
- Functions:
- Translates data between different communication protocols, ensuring seamless communication between disparate networks.
- Provides security by filtering and controlling network traffic between different domains.
- Routes traffic between different networks to optimize performance and efficiency.

Repeater

- Definition: A network device that extends the range of a network by amplifying and retransmitting signals.
- Functions:
- Repeats incoming signals to increase their strength and overcome attenuation over long distances.
- Extends the coverage area of a network, allowing devices to connect from farther distances.
- Improves network connectivity and signal quality in areas with weak signals.

Key Differences:

- Protocol Conversion: Gateways perform protocol conversion, while repeaters do not.
- Routing: Gateways route traffic between different networks, while repeaters do not.
- Security: Gateways provide security features, while repeaters do not.

Use Cases:

- Gateways:
- Connecting networks with different Ethernet standards (e.g., 10BASE-T to 100BASE-TX)
- Connecting networks using different protocols (e.g., IPv4 to IPv6)
- Providing access to the internet from a private network
- Repeaters:
- Extending the range of wireless networks (e.g., Wi-Fi, Bluetooth)
- Connecting devices in remote or obstructed areas
- Improving signal quality in areas with interference or attenuation
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