Industry standard bandwidth guarantee?

Thu Oct 30 00:04:33 UTC 2014

That 3Mb difference is probably just packet overhead + congestion
control. Goodput on a single TCP flow is always less than link
bandwidth, regardless of the link.

On Wed, Oct 29, 2014 at 6:57 PM, keith tokash <ktokash at hotmail.com> wrote:
> I'm sorry I should have been more specific.  I'm referring to the *percentage* of a circuit's bandwidth.  For example if you order a 20Mb site to site circuit and iperf shows 17Mb.  Well ... that's 15% off, which sounds hefty, but I'm not sure what's realistic to expect.
>
> And beyond expectations, I'm wondering if there's a threshold that industry movers/shakers generally yell at their vendor for going below, and try to get a refund or move the link to a new port/box.
>
>
>
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>> To: ktokash at hotmail.com
>> Subject: Re: Industry standard bandwidth guarantee?
>> From: Valdis.Kletnieks at vt.edu
>> Date: Wed, 29 Oct 2014 19:02:53 -0400
>> CC: nanog at nanog.org
>>
>> On Wed, 29 Oct 2014 15:24:46 -0700, keith tokash said:
>>
>> > Is there an industry standard regarding how much bandwidth an inter-carrier circuit should guarantee?
>>
>> How are you going to come up with a standard that covers both the uplink from
>> Billy-Bob's Bait, Fish, Tackle, and Wifi, where a fractional gigabit may be
>> plenty, and the size pipes that got clogged in the recent Netflix network
>> neutrality kerfluffle?
>>
>> And where your PoPs are (and how many) matters as well - if you have a peering
>> agreement with another carrier, and you exchange 35Gbits/sec of traffic, the
>> bandwidth at each peer point will depend on whether you peer at one location,
>> or 5, or 7, or 15.....
>>
>