Real-Time Protocol (RTP) is necessary in today’s networks. It enables real-time communication and streaming of multimedia data such as audio, video, text messages, and other information over IP networks. RTP has become a critical component for many applications requiring low-latency transmission of multimedia content across the Internet.

At its core, RTP provides a framework for transmitting time-sensitive data packets between two or more endpoints on a network using UDP (User Datagram Protocol). The main advantages of using this protocol are its ability to provide reliable delivery with minimal latency and jitter while also providing support for encryption algorithms like SRTP (Secure Real Time Protocol). This makes it ideal for applications such as voice-over IP systems where high-quality sound is essential, but latency must be kept to a minimum.

In addition to being used by VoIP services like Skype or Google Hangouts, RTP can also be used in various other scenarios, including live streaming media broadcasts from broadcasters or webcams; online gaming; interactive educational programs; teleconferencing services; remote control systems; home automation solutions, etc.. Furthermore, because most modern routers now come with built-in QoS features which prioritize traffic based on source/destination port numbers – ensuring that your mission-critical traffic gets priority when traversing congested links – making it all the more attractive option when compared against traditional TCP protocols, which may experience packet loss during periods of congestion resulting in a degraded performance at best, a complete failure at worst.

In summary, thanks to its low overhead nature, advanced error correction capabilities & robust security options, Real-Time Protocol offers unparalleled reliability & scalability, allowing developers & system administrators peace of mind knowing their application will deliver consistent results regardless of what kind of load they throw at it.