Understanding Network Gateways And Their Function
To understand in simple terms we can say that, a network gateway is a type of hardware device that is used to connect multiple networks together that use different types of network protocols or file types. For example, you can use a gateway device to connect a company’s intranet to the internet or you can even connect two intranets together that have different protocols. Basically, the gateways work as a translator and translate communication from one protocol to another. This enables the devices on different networks to communicate with each other even though they are using different languages.
Apart from this, the gateway routers work on the network layer of the OSI, which means that they can route data between different networks and can determine the best path for the data to travel. Similarly, firewall gateways are also imperative for any network as they filter out traffic and prevent unauthorized access.
Benefits of Using Gateway Devices
You can get a number of benefits from using gateways, including:
Better Connectivity: The gateways provide better connectivity as they can translate the different protocols.
Improved Security: An important benefit of these devices is that they help in improving the security of your network by filtering traffic and blocking any malicious attempts.
Performance Boost: The gateway routers can significantly enhance the performance as they can improve the response time by routing traffic efficiently.
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Common Types of Gateways Available In The Market
The gateways have a lot of different form factors and types, each having its own features and functions. Let’s now discuss briefly some of the most frequently used types and what makes them unique.
Wireless gateways: The majority of wireless gateways usually have a modem router built into them, so they can connect with the internet easily and also share their connection with other devices.
Ethernet gateways: As you can probably guess from the name, the Ethernet gateways have a lot of ports built into them so they can connect a lot of different devices like computers and printers. The main benefit of using them is that they provide very high-speed connections and are perfect for business use.
Modem gateways: To connect small business networks to the internet these devices are used. Basically, their working method is very simple and they work by combining a modem and router.
VPN gateways: The VPN-type gateways have a built-in VPN client and server in most cases, so they can easily encrypt traffic between the gateway and the private network.