From Wikipedia, the free encyclopedia
Digital Subscriber Line (ofte forkortet DSL) er teknikker, som giver mulighed for bredbåndsopkobling til internettet over det almindelige telefonnets kabler – et enkelt snoet ledningspar.
Lag | Lagnavn | IP bårne/relaterede (har RFC) |
---|---|---|
7 | Program | HTTP, SMTP, POP3, IMAP, FTP, DNS, DHCP... |
6 | Præsentation | AFP... |
5 | Session | RPC, NetBIOS... |
4 | Transport | TCP, UDP, RTP... |
3 | Netværk | IP: (IPv4, IPv6), ICMP, IGMP, ARP... |
2 | Datalink | Ethernet, HDLC, V.42bis, V.42(LAPM), V.44... |
1 | Fysisk | V.34, V.90, ADSL, 802.11 Wi-Fi, WiMAX... |
Eksempler på DSL-teknologier (undertiden kaldet xDSL) omfatter:
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