Pass the Packet, Please? Explorations into Trust and the Social - PowerPoint PPT Presentation

Pass the Packet, Please? Explorations into Trust and the Social Organisation of Network Administration Ashwin J Mathew School of Information UC Berkeley

The Internet

The Internet

The Internet

The Internet

AT&T UC Berkeley berkeley.edu CENIC traceroute to berkeley.edu (169.229.131.81) 1 192.168.2.1 (192.168.2.1) 2 bras43-l0.pltnca.sbcglobal.net (151.164.184.123) 3 64.164.107.1 (64.164.107.1) 4 bb1-10g2-0.pltnca.sbcglobal.net (151.164.42.100) 5 69.220.8.31 (69.220.8.31) 6 paix.tr01-plalca01.transitrail.net (198.32.176.15) 7 calren2-cust.plalca01.transitrail.net (137.164.131.238) 8 dc-svl-core1--svl-peer1-10ge.cenic.net (137.164.46.204) 9 dc-oak-core1--svl-core1-ge-1.cenic.net (137.164.46.213) 10 dc-oak-agg2--oak-core1-ge.cenic.net (137.164.46.60) 11 ucb--oak-dc2-ge.cenic.net (137.164.23.30) 12 t2-3.inr-202-reccev.Berkeley.EDU (128.32.0.39) 13 t1-1.inr-211-srb.Berkeley.EDU (128.32.255.43)

Border Gateway Protocol (BGP) AT&T UC Berkeley CENIC June 1989 BGP-1 “Three Napkins Protocol” March 1995 BGP-4

Tier 1 Tier 1 Tier 1 Tier 2 Tier 2 Tier 2 Stub Stub Stub Stub Stub

How did trust come to be embedded in BGP? How do network administrators coordinate to maintain the Internet's routing infrastructure?

Interviews Technical and Email Lists and Historical Conferences Documentation

1995: Equipment NSFNET Vendors privatised Network Administrators (NANOG) Research Community Network Operators Research Community (IETF)

Tier 1 Tier 1 Tier 1 “... to establish and maintain databases and routing services which may be used Tier 2 Tier 2 by attached networks to obtain routing information ... Route ... will provide for an unbiased Arbiter routing scheme which will be available (but not mandatory) Stub for all attached networks.” Stub Stub - 1993 NSF solicitation

Tier 1 Tier 1 Tier 1 Trusted Core Tier 2 Tier 2 Tier 2 Filters Stub Stub Stub Stub Stub

NSFNET Tier 1 Tier 2 CENIC BARRNET Campus Campus Campus Campus

The Internet

Social Order

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Image Credits http://www.flickr.com/photos/swamibu/1407809687/ ● http://www.flickr.com/photos/mundane_joy/3193321198/ ● http://www.flickr.com/photos/dork/533046011/ ● http://www.flickr.com/photos/riot/167095727/ ● http://www.caida.org/research/topology/as_core_network/ ● http://www.flickr.com/photos/54459164@N00/942815708/ ● http://www.flickr.com/photos/ahudson/615055903/ ●