1. Concepten van computernetwerken

2. 2003-2004 - Information management 2 Groep T Leuven – Information department 2/15 OSI Model

3. 2003-2004 - Information management 3 Groep T Leuven – Information department 3/15 Protocol Overview

4. 2003-2004 - Information management 4 Groep T Leuven – Information department 4/15 Netwerk-protocollen Application Presentation Session Transport Network Data-link Physical Application Transport Internet Network Interface OSI ModelInternet Protocol Suite

5. 2003-2004 - Information management 5 Groep T Leuven – Information department 5/15 Netwerk-protocollen Network Interface Internet Transport Application ICMP TCP UDP IP HTTP, HTTPS, SMTP, POP, LDAP FTP, TELNET BGP, NTP, NNTP HTTP, HTTPS, SMTP, POP, LDAP FTP, TELNET BGP, NTP, NNTP DNS DHCP, RADIUS, SNMP RIP RealAudio, CU-SeeMe NetMeeting DNS DHCP, RADIUS, SNMP RIP RealAudio, CU-SeeMe NetMeeting ARP PPP Ethernet, PSTN, ISDN, Frame Relay, ATM PPP Ethernet, PSTN, ISDN, Frame Relay, ATM

6. 2003-2004 - Information management 6 Groep T Leuven – Information department 6/15 Hosts en routers

7. 2003-2004 - Information management 7 Groep T Leuven – Information department 7/15 Protocollen en interfaces

8. 2003-2004 - Information management 8 Groep T Leuven – Information department 8/15 Encapsulatie User data App. header Application data TCP header Application data TCP header IP header Application data TCP header IP header Ethernet header Ethernet trailer TCP segment IP datagram Ethernet Frame

9. 2003-2004 - Information management 9 Groep T Leuven – Information department 9/15 Demultiplexing

10. 2003-2004 - Information management 10 Groep T Leuven – Information department 10/15 TCP/IP en standaardisatie Internet Architecture Board Internet Research Task Force Internet Engineering Task Force Internet Engineering Steering Group

11. 2003-2004 - Information management 11 Groep T Leuven – Information department 11/15 RFC’s : Request for comment Werkdocumenten voor de Internet Community Standaarden worden gepubliceerd in RFC’s Vijf classificaties: –Required, recommended, directional, informational, and obsolete Ontwikkeld op basis van consensus

12. 2003-2004 - Information management 12 Groep T Leuven – Information department 12/15 RFC’s : Example 2328 OSPF Version 2. J. Moy. April 1998. (Format: TXT=447367 bytes) (Obsoletes RFC2178) (Also STDO054) (Status: STANDARD) 2178 J..Moy,.OSPF yersion 2., 07/22/1997. (Pages=211) (Format=.txt) (Obsoletes RFC1583) 1583 J. Moy, nosPF Version 2., 03/23/1994. (Pages=212) (Format=.txt, :ps) (Obsoletes RFC1247) (Obsoleted by RFC2178) 1247 J. Moy,.OSPF Version 2n, 08/08/1991. (Pages=189) (Format=.txt,.ps) (Obsoletes RFCl131) (Obsoleted by RFC1583) 1131 J. Moy, nosPF specificationn, 10/01/1989. (Pages=107) (Format=.txt,.ps) (Obsoleted by RFC1247)

13. 2003-2004 - Information management 13 Groep T Leuven – Information department 13/15 RFC’s : Example Mailer software MUST be able to send and receive messages of at least 64K bytes in length (including header), and a much larger maximum size is highly desirable. Host software MUST handle hostnames of up to 63 characters and SHOULD handle hostnames of up to 255 characters.

14. 2003-2004 - Information management 14 Groep T Leuven – Information department 14/15 Oefening

15. 2003-2004 - Information management 15 Groep T Leuven – Information department 15/15 Oefening Download + bekijk rfc-index.txt Download + lees RFC 1812 of RFC 1123 Download RFC 1918