Datagram Transport Layer Security (DTLS) is a communications protocol providing security to datagram-based applications by allowing them to communicate in a way designed[1][2][3] to prevent eavesdropping, tampering, or message forgery. The DTLS protocol is based on the stream-oriented Transport Layer Security (TLS) protocol and is intended to provide similar security guarantees. The DTLS protocol datagram preserves the semantics of the underlying transport—the application does not suffer from the delays associated with stream protocols, but because it uses UDP or SCTP, the application has to deal with packet reordering, loss of datagram and data larger than the size of a datagram network packet. Because DTLS uses UDP or SCTP rather than TCP, it avoids the "TCP meltdown problem",[4][5] when being used to create a VPN tunnel.
^Rescorla, Eric; Modadugu, Nagendra (January 2012). Datagram Transport Layer Security Version 1.2. doi:10.17487/RFC6347. RFC 6347.
^The Datagram Transport Layer Security (DTLS) Protocol Version 1.3. April 2022. doi:10.17487/RFC9147. RFC 9147.
^Titz, Olaf (2001-04-23). "Why TCP Over TCP Is A Bad Idea". Archived from the original on 2023-03-10. Retrieved 2015-10-17.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
^Honda, Osamu; Ohsaki, Hiroyuki; Imase, Makoto; Ishizuka, Mika; Murayama, Junichi (October 2005). "Understanding TCP over TCP: effects of TCP tunneling on end-to-end throughput and latency". In Atiquzzaman, Mohammed; Balandin, Sergey I (eds.). Performance, Quality of Service, and Control of Next-Generation Communication and Sensor Networks III. Vol. 6011. Bibcode:2005SPIE.6011..138H. CiteSeerX 10.1.1.78.5815. doi:10.1117/12.630496. S2CID 8945952.
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Management. RFC 5427. Signed Syslog Messages. RFC 5848. DatagramTransportLayerSecurity (DTLS) Transport Mapping for Syslog. RFC 6012. Transmission of Syslog...
are available: Datagram sockets Connectionless sockets, which use User Datagram Protocol (UDP). Each packet sent or received on a datagram socket is individually...
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2022). Recommendations for Secure Use of TransportLayerSecurity (TLS) and DatagramTransportLayerSecurity (DTLS). doi:10.17487/RFC9325. RFC 9325. Smith...
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