Who is networks

For other types of domain name records, use NsLookup. The Email Checker allows you to test the validity and reachability of an email address.

It makes sure that the email is syntactically valid and that it is available via an SMTP server. If you notice odd behavior with your HTTP connections, you can use this tool to troubleshoot the top-level domain. Alternatively, you can use it to check for redirection — minimizing these optimizes any links you might be using.

In some circumstances, you might need to convert punycode back to the original domain name. To determine if a server is responding to requests, you can use Online Ping. You provide an IP address or a domain name, and you can see if the host is responding or not. A network is a collection of computers, servers, mainframes, network devices, peripherals, or other devices connected to allow data sharing.

An example of a network is the Internet , which connects millions of people all over the world. To the right is an example image of a home network with multiple computers and other network devices all connected. The term network topology describes the relationship of connected devices in terms of a geometric graph.

Devices are represented as vertices, and their connections are represented as edges on the graph. It describes how many connections each device has, in what order, and what sort of hierarchy.

Typical network configurations include bus topology , mesh topology , ring topology , star topology , tree topology , and hybrid topology. Most home networks are configured in a tree topology that connects to the Internet. Corporate networks often use tree topologies, but they also often incorporate star topologies and an Intranet. Often offered by nearby businesses and other publicly accessible areas, public networks are a convenient way to connect to the Internet.

All public networks are less secure than your home network. Even if the websites you visit use encryption, the URLs you visit can be eavesdropped. For this reason, you should not transmit private or sensitive information on a public Wi-Fi network if you can do it elsewhere. Operator Partnership. Operator Prioritized Use Cases. Ecosystem Develops.

Benefits for ONF Ecosystem. Help operators plan, build and operate their networks New business opportunity helping operators as they transform their networks.

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