NTRIP (Networked Transport of RTCM via Internet Protocol)
NTRIP is a protocol for streaming Global Navigation Satellite System (GNSS) data over the Internet. Based on the Hypertext Transfer Protocol HTTP/1.1. NTRIP began as an RTCM standard designed for disseminating differential correction data (e.g in the RTCM-104 format) or other kinds of GNSS streaming data to stationary or mobile users over the Internet, allowing simultaneous PC, Laptop, PDA, or receiver connections to a broadcasting host.
NTRIP is designed to be an open non-proprietary protocol and has gained wordwide recognition as a useful means of transporting GNSS data.
Wireless Internet services and Mobile IP Networks like GSM, GPRS, EDGE, or UMTS are all quite capable of carrying NTRIP streams.
Major characteristics of Ntrip’s dissemination technique are:
- Based on the popular HTTP streaming standard; comparatively easy to implement when having limited client and server platform resources available.
- Application not limited to one particular plain or coded stream content; ability to distribute any kind of GNSS data.
- Potential to support mass usage; disseminating hundreds of streams simultaneously for up to thousand users possible when applying modified Internet Radio broadcasting software.
- Considering security needs; stream providers and users don’t necessarily get into contact, streams often not blocked by firewalls or proxyservers protecting Local Area Networks.
- Enables streaming over any mobile IP network because of using TCP/IP.