Changes between Version 2 and Version 3 of understanding_colo_issues


Ignore:
Timestamp:
Jun 18, 2008, 10:53:35 AM (11 years ago)
Author:
Jamie McClelland
Comment:

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  • understanding_colo_issues

    v2 v3  
    99=== Types of Networks ===
    1010
    11 Tier one networks (see [WikiPedia:Tier_1_carrier Wikipedia's article) are networks that connect to the rest of the Internet soley through "Settlement Free Interconnection" (meaning that they can directly connect to the other Tier one networks - called "peering," not relying on a intermediary provider). Wikipedia lists some interesting reasons why these carriers are less reliable because they often only have one route to each other network. Examples of Tier One networks are Global Crossing, Level Three, and AT&T.
     11Tier one networks (see [WikiPedia:Tier_1_carrier Wikipedia's article]) are networks that connect to the rest of the Internet soley through "Settlement Free Interconnection" (meaning that they can directly connect to the other Tier one networks - called "peering," not relying on a intermediary provider). Wikipedia lists some interesting reasons why these carriers are less reliable because they often only have one route to each other network. Examples of Tier One networks are Global Crossing, Level Three, and AT&T.
    1212
    13 Tier two networks (see [WikiPedia:Tier_2_network Wikipedia's article) rely on purchasing transit from one or more Tier one networks.
     13Tier two networks (see [WikiPedia:Tier_2_network Wikipedia's article]) rely on purchasing transit from one or more Tier one networks.
    1414
    1515In addition, I've heard people refer to carrier's like Hurricane Electric as "blending" connectivity from many other providers.