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  1. #1
    Join Date
    Nov 2002
    Location
    Portland, Oregon
    Posts
    2,948

    Define "Multi Homed, Autonomous System"

    I was visiting the website of a Virtual Server provider I worked for many years ago, and they define their hosting services as operating on a "Multi-Homed, Autonomous System" now. See the attached screen-shot of the advertisement.

    I happen to know that the company in question, has two dedicated servers in a West Coast POP, and another two pair in an East Coast POP. They are, in essence, using cross-datacenter mail and nameserver clustering on their servers.

    By definition, is this truly a "Multi-Homed Autonomous System" or is it simply an embellishment of DNS & mail clustering, or possibly another term...? See the screen-shot.

    Thanks for helping me sort out the terms.
    Attached Thumbnails Attached Thumbnails autonomous-system.png  
    | John Edel Jetfire Networks L.L.C. Trusted Hosting Solutions
    | Consistent, Reliable, Stable OpenVZ & KVM Virtual Private Servers
    | SpamWall AV & Full SMTP Filtering
    Now an SSLStore Titanium Partner!

  2. #2
    Join Date
    Nov 2002
    Location
    Portland, Oregon
    Posts
    2,948
    In comparison - this is my DNS configuration (from IntoDNS)

    Code:
    Nameserver records returned by the parent servers are:
    
    NS1.QUARTZ.NWTECHGROUP.COM.   ['184.82.101.122']   [TTL=172800]
    NS2.QUARTZ.NWTECHGROUP.COM.   ['184.82.44.84']   [TTL=172800]
    NS2.RUBY.NWTECHGROUP.COM   ['64.191.45.180']   [TTL=172800]
    NS1.JADE.PDXINTER.NET.   ['184.22.242.202']   [TTL=172800]
    The servers, again, are in two DC's, but I don't believe that qualifies as "autonomous." Rather, I think of it simply as 'clustering'.

    So, please check my first post, and let me know your personal opinions.
    | John Edel Jetfire Networks L.L.C. Trusted Hosting Solutions
    | Consistent, Reliable, Stable OpenVZ & KVM Virtual Private Servers
    | SpamWall AV & Full SMTP Filtering
    Now an SSLStore Titanium Partner!

  3. #3
    Join Date
    Jul 2009
    Location
    The backplane
    Posts
    1,790
    I imagine they mean the network(s) is/are multi-homed.

  4. #4
    Join Date
    Jan 2011
    Location
    Varna, Bulgaria
    Posts
    1,270
    Do they have routers? Do they run BGP with their providers and announce their own IP space to the providers? Do they have an ASN?
    If the answer to any of this is "no" - then this is simply false advertising.
    But then, they don't claim that it is their own multihomed autonomous system, they might say that they meant their provider has it (which is probably true).

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