It transports data regardless of any bandwidth constrains, making it speedier and riskier. UDP, on the other hand, starts without requiring any handshake. For this reason, TCP is quite reliable and can solve for packet loss and ordering. The initiator (client) asks the accepter (server) to start a connection, the accepter responds, and the initiator acknowledges the response and maintains a session between either end. The primary difference between UDP and TCP hinges on the fact that TCP requires a three-way handshake when transporting data. UDP and TCP differ in terms of quality and speed, so it’s worth taking a closer look. The protocols used for streaming sit on top of these. User Datagram Protocol (UDP) and Transmission Control Protocol (TCP) are both core components of the internet protocol suite, residing in the transport layer.
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Conclusion: How to Choose the Best Protocol for Streaming Video.What Are the Preferred Protocols for Video Streaming?.Considerations When Choosing a Video Streaming Protocol.Finally, emerging HTTP-based technologies like Apple’s Low-Latency HLS seek to deliver the best of both options by supporting low-latency streaming at scale. Streaming protocols like Real-Time Messaging Protocol (RTMP) transport video using dedicated streaming servers, whereas HTTP-based protocols rely on regular web servers to optimize the viewing experience and quickly scale. Online video delivery uses both streaming protocols and HTTP-based protocols. These can sit in the application, presentation, and session layers. What Is a Streaming Protocol?Įach time you watch a live stream or video on demand, video streaming protocols are used to deliver data over the internet. The seven layers - which include physical, data link, network, transport, session, presentation, and application - were defined by the International Organization for Standardization’s (IS0’s) Open Systems Interconnection model, as depicted above. It’s typically overlaid by the Transmission Control Protocol (TCP) at the transport layer, as well as the Hypertext Transfer Protocol (HTTP) at the application layer. The Internet Protocol sits at the network layer. This protocol structures how devices using the internet communicate. You’ve likely heard of an IP address, which stands for Internet Protocol. The lowest layer acts as a foundation, and each layer above it adds complexity. That way, protocols at each layer can focus on a specific function and cooperate with each other. These are layered on top of one another to form a protocol stack. A protocol is a set of rules governing how data travels from one communicating system to another.
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