Seattle Internet Exchange

The Seattle Internet Exchange (SIX) is an Internet exchange point in Seattle, USA. Its switch fabric is centered at the Westin Building and extended to KOMO Plaza, Sabey Intergate, and other locations.[3] The SIX is one of the most successful examples of neutral and independent peering points, created as a free exchange point originally sponsored only by donations. The SIX is the most frequently cited model upon which other neutral Internet exchanges are based, and its financial and governance models are often cited as inspiration for other exchanges. It continues to run without any recurring charges to the participants and current major funding comes from one-time 10 and 100 Gbit/s port fees. The SIX is a 501(c)(6) tax-exempt non-profit corporation.

Seattle Internet Exchange
Full nameSeattle Internet Exchange
AbbreviationSIX
Founded1997, June
LocationSeattle, Washington, US
Websitewww.seattleix.net
Members326[1]
Peak1.68 Tbit/s[2]
Daily (avg.)1.14 Tbit/s[2]
Westin Building, the primary home of the Seattle Internet Exchange

As of May 28, 2020 there are 373 routers at the SIX advertising at least 96,000 unique Border Gateway Protocol (BGP) routes. There are two route servers running the Bird Internet routing daemon (BIRD).

Technology

The core of the SIX consists of Arista Networks switches, with a 7508R and a 7512R at the Westin Building, and a 7280SR-48C6 at both KOMO Plaza and Sabey Intergate.[3] Participants may connect to the SIX core using a 1 Gbit/s, 10 Gbit/s or 100 Gbit/s Ethernet connection (fiber) or to one of several extensions. Extensions are sponsored by colocation facilities or transport providers.

Both IPv4 and IPv6 peering is available and encouraged at the SIX, with availability dependent on the peer. Jumbo frame peering at 9000-byte maximum transmission unit (MTU) is available.

Extensions

The following is a list of SIX extensions:[3]

  • Archeo Futurus: Connects participants at H5 Data Centers Seattle.
  • Colocation Northwest: 20th floor of the Westin Building.
  • Equinix: PAIX SEA, which is a neutral Internet exchange point operated by Equinix in Seattle, Washington.
  • IX Reach: Worldwide WAN.
  • Minnesota VoIP: Connects participants in Minnesota.
  • Wave Broadband: Regional network.
  • Wowrack: Wowrack datacenter in Tukwila, Washington.
  • XM-DCIP: Connects participants in Salt Lake City, Utah.
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See also

References
  1. "SIX Participants". Seattle Internet Exchange. Retrieved 2020-05-28.
  2. "SIX Traffic Graphs". Seattle Internet Exchange. Retrieved 2020-05-28.
  3. "SIX Topology". Seattle Internet Exchange. Retrieved 2020-05-28.
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