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RFC

RFC 3261 is a technical document that defines the Session Initiation Protocol (SIP), a standard used for initiating, maintaining, and terminating real-time communication sessions over the internet, such as voice and video calls. It outlines how devices discover each other, exchange information, and manage communication sessions reliably. SIP enables features like call forwarding and conference calls, allowing for flexible and efficient communication. By standardizing these processes, RFC 3261 helps different devices and applications work together seamlessly, making internet-based communication more accessible and reliable for users.

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    RFC 6750 defines how to use bearer tokens for authentication in web services. Specifically, it describes a method for clients to access protected resources by presenting a token instead of a username and password. This token acts like a pass that grants access without needing to share sensitive credentials repeatedly. The standard outlines how the token should be formatted and transmitted, ensuring secure communication between clients and servers. This approach simplifies access management and enhances security by allowing temporary permissions that can be easily revoked if necessary.

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    RFC 5905 describes the Network Time Protocol (NTP), which is used to synchronize the clocks of computers over the internet. Accurate timekeeping is crucial for various functions, such as logging events and running scheduled tasks. This document outlines how NTP operates, including the structure of messages exchanged between devices and methods for adjusting time. It ensures that devices can maintain precise and reliable time, even over long distances, contributing to system stability and security in networks. Ultimately, it helps keep our digital interactions synchronized and orderly.

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    RFC 1918 is a standard that defines private IP address ranges for use within local networks. These addresses, which include ranges like 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and 192.168.0.0 to 192.168.255.255, are not routable on the public internet. This means devices using these addresses can communicate within a home or business network but cannot be accessed directly from outside. Using private IP addresses helps conserve public IP addresses and enhances security by keeping internal network structures hidden from the external world.