EECS 161 - Introduction to Computer Networking Scott Jordan...
Transcript of EECS 161 - Introduction to Computer Networking Scott Jordan...
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Terminology:
(Walrand, fig. 2.6)"internet" = a network containing multiple heterogeneous subnetworks"Internet" = the public global internetsubnetworks include Ethernet, token rings, direct links, wireless networks, ATM, ...
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Issues:
* addressing* routing* flow control- protocol differences- security- application interfaces (APIs)- management
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
ARPANET 12/69:
The original 4 Internet hosts (www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
ARPANET 4/71:
14 Internet hosts (www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
ARPANET 9/71:
(www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
ARPANET 6/74: (www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
ARPANET 3/77: (www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
ARPANET 10/80:
(www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Usenet 6/81: (www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
ARPANET 1/83 (after split with Milnet, TCP/IP standardized):
(www.computerhistory.org/exhibits/internet_history)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
NSFnet 3/86 (56kbps):
2,000 Internet hosts(www.computerhistory.org/exhibits/internet_history)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Usenet 12/86: (www.cybergeography.org/atlas/historical.html)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
NSFnet + regional/customer networks 4/87:
20,000 Internet hosts (www.computerhistory.org/exhibits/internet_history)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
NSFnet 2/88 (1.5Mbps):
(www.computerhistory.org/exhibits/internet_history)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
NSFnet + regional/customer networks 1990:
300,000 Internet hosts (Walrand fig. 3.1)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
NSFnet + regional/customer networks 1990:
(Walrand fig. 3.2)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
NSFnet 1992 (45Mbps):
1,000,000 Internet hosts(www.computerhistory.org/exhibits/internet_history)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Internet 1997 (after privatization, 20 million hosts):
(Walrand fig. 3.3)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Internet AS Core 1/00 (70 million hosts): (www.caida.org)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Internet AS Core 4/02 (150 million hosts): (www.caida.org)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Internet AS Core 4/05 (325 million hosts):(www.caida.org)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Internet Host Count: (www.isc.org)
EECS 161 - Introduction to Computer Networking Scott Jordan
Internet / TopologyUCIUniversity of California, Irvine
Internet Host Count: (www.internetworldstats.com)