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- Internet Control Message Protocol (ICMP)
- DS-Lite (Dual-Stack Lite)
- Carrier-Grade Network Address Translation (CGNAT)
- FTP (File Transfer Protocol)
- WebDAV (Web-based Distributed Authoring and Versioning)
- S3 Storage API
- Real Time Streaming Protocol (RTSP)
- ARPANET
- Trivial File Transfer Protocol (TFTP)
- Dynamic Host Configuration Protocol (DHCP)