[146619] in North American Network Operators' Group

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Re: Bandwidth Upgrade

daemon@ATHENA.MIT.EDU (Karl Clapp)
Thu Nov 17 11:18:36 2011

In-Reply-To: <CABO8Q6SSaFjEB3asTnV7rPn8Dk20K8kMoar5BoU1jefccKRbjw@mail.gmail.com>
From: Karl Clapp <kclapp@staff.gwi.net>
Date: Thu, 17 Nov 2011 11:18:07 -0500
To: Keegan Holley <keegan.holley@sungard.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Reply-To: kclapp@staff.gwi.net
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Very true.. It is an open-ended question that can have many answers,
especially without knowing their design...


On Thu, Nov 17, 2011 at 11:08 AM, Keegan Holley
<keegan.holley@sungard.com>wrote:

> That depends on the network configuration though.  If you have redundant
> links and one link is at 65% and the other is at 35% or more you won't be
> able to get through a circuit flap or outage without dropping packets.
>
>
>
> 2011/11/17 Karl Clapp <kclapp@staff.gwi.net>
>
>> Ideally, when our 95th-percentile hits 65% utilization, we begin the
>> pricing and planning process and its up on peoples radar. Once the
>> 95th-percentile hits 80-85% we start planning the maintenance and execute
>> the upgrades. I say ideally, because in a perfect world this would happen
>> 100% of the time.
>>
>> We try to upgrade when the 95th is at 80-85%, because the 95th-percentiles
>> is based off 5-min polls, so I am sure traffic is spiking higher at peak
>> times.
>>
>> Cheers..
>>
>> ~Karl
>>
>> On Thu, Nov 17, 2011 at 10:30 AM, Bielawa, Daniel Walter <
>> dwbielawa@liberty.edu> wrote:
>>
>> > Greetings,
>> >                My team is in the process of putting some documentation
>> > together to justify a bandwidth upgrade. I am asking if you would be
>> > willing to reply back to me, with how you decide that it is time to
>> upgrade
>> > your bandwidth. On-line or off-line reply's will be acceptable.
>> >
>> > Thank You
>> >
>> > Daniel Bielawa
>> > Network Engineer
>> > Liberty University Network Services
>> >
>> > (434)592-7987
>> >
>> > LIBERTY UNIVERSITY
>> > 40 Years of Training Champions for Christ: 1971-2011
>> >
>> >
>>
>>
>

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