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Thread: 99.9% SLA

  1. #1
    Join Date
    Dec 2003
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    99.9% SLA

    Just a thought that came to my mind, I have had plenty of servers and just had a thought now...does the 99.9% SLA mean the network uptime or the network and the server uptime together?
    (do datacenters monitor individual servers as well as their network?)

  2. #2
    usually only network.. datacenter is not responsible if your server is getting overloaded because it can't stand the traffic.

    regards,
    M.
    Powered by AMD & FreeBSD.
    "Documentation is like sex:
    when it is good, it is very, very good;
    and when it is bad, it is better than nothing."

  3. #3
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    The network.
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  4. #4
    Join Date
    Dec 2003
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    i see

  5. #5
    Make sure you ask them to define their version of what a Network is....

  6. #6
    Always ask for a copy of the SLA, example:

    http://www.liquidweb.com/dedicated/sla/

  7. #7
    Join Date
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    When network is unreachable. 100% packet loss for some providers.

    Superbservers guarantee 0% packet loss Don't even mention 100% uptime.

    But not sure if they gonna reimburse you when there is any of that.

  8. #8
    Quite simply, an SLA is a Service Level Agreement. That means it is an agreement between the provider and the customer. ALWAYS read the SLA, it can be a completely worthless, provider-sided only document, or it can be fair and balanced. As I recall peer1.net has a pretty decent SLA.
    *AlphaOmegaHosting.Com* - Hosting since 1998
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  9. #9
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    SLA's are defined by each individual company, most offering dual provisions to their SLA's depending on the type of service being purchased: unmanaged, semi-managed, or fully managed. typically, the "uptime guarantee" pertains to the network itself, and may include provisions to a specific amount of PL on the network. There is also provisions external to the network, such as ticket response time, server monitoring and response time, and hardware replacement time, all offering credits if said time is not met. But as stipulated already, some SLA's aren't worth the e-paper they're printed on if in fact all known variables for downtime are excluded from the SLA. So, be wise to do as mentioned, read up on your provider's SLA's, and ask questions if you don't fully understand all legal jargon written.

    Thanks,

  10. #10
    Join Date
    Jul 2003
    Location
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    Depends on who it is with (DC or provider) and what they are covering, usually network.

    Anyway, where SLAs are concerned, the thing you most want to pay attention to is what credit is given for any failures, not the actual quoted percentage figure..
    Paul Civati
    Rack Sense Ltd UK Managed Services Provider
    Views expressed are my own and not those of the company.

  11. #11
    Originally posted by UltraUnixNET
    When network is unreachable. 100% packet loss for some providers.

    Superbservers guarantee 0% packet loss Don't even mention 100% uptime.

    But not sure if they gonna reimburse you when there is any of that.
    Please review our SLA at:
    http://nsssc.superb.net/information/sla.php
    you'll see (I copy from there)

    100% network uptime
    one day credit for each hour of downtime

    (not sure where you got it from that this is not there, or that the credit is not clearly set??)

    no packet loss from us to our Tier 1 backbone bandwidth providers
    one day credit for each 1% of packet loss

    below 3 ms latency from us to our Tier 1 backbone bandwidth providers
    one day credit for each additional 3 ms of latency

    replacement of malfunctioning [server] components within less than two hours
    one day credit for each additional two hours taken with hardware repair

  12. #12
    Originally posted by UltraUnixNET
    When network is unreachable. 100% packet loss for some providers.

    Superbservers guarantee 0% packet loss Don't even mention 100% uptime.

    But not sure if they gonna reimburse you when there is any of that.
    We have one of (if not the) strongest SLA's in the industry and actually live up to it.

    I would appreciate you not trivializing it or making untrue, groundless statements regarding it.

    Thank you

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