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

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

Apr 20, 2023 428 likes •633 views

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

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Pass the Packet, Please?

Explorations into Trust and the Social Organisation of Network Administration

Ashwin J Mathew School of Information UC Berkeley

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The Internet

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The Internet

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The Internet

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The Internet

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AT&T 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) CENIC UC Berkeley berkeley.edu

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Border Gateway Protocol (BGP)

AT&T CENIC UC Berkeley

June 1989 BGP-1 “Three Napkins Protocol” March 1995 BGP-4

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

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

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Interviews and Conferences Technical and Historical Documentation Email Lists

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Research Community Network Administrators (NANOG) Equipment Vendors Research Community (IETF) Network Operators

1995: NSFNET privatised

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

Route Arbiter

“... to establish and maintain databases and routing services which may be used by attached networks to

  • btain routing information ...

... will provide for an unbiased routing scheme which will be available (but not mandatory) for all attached networks.”

  • 1993 NSF solicitation
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Tier 1 Tier 1 Tier 1 Tier 2 Tier 2 Tier 2 Stub Stub Stub Stub Stub

Trusted Core Filters

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BARRNET Campus NSFNET Campus Campus Campus CENIC Tier 2 Tier 1

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The Internet

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Social Order

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?

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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/