Re: Application issue over two ISP

From: jack daniels <jckdaniels12_at_gmail.com>
Date: Fri, 11 Dec 2009 20:59:45 +0530

cany go with PTP links , I have the scenario described I can do any config
with this or buy any new box if taht can help

On Fri, Dec 11, 2009 at 8:52 PM, David Bass <davidbass570_at_gmail.com> wrote:

> The problem with the below solution is that it does not address the return
> traffic problem nor the convergence time issues for the Internet. You would
> also have to implement some type of natting solution, or script a route
> policy change (assuming you're running BGP with your providers) to control
> the inbound path from the Internet.
>
> If the application is critical to business function you should consider
> some type of direct PTP partner type connectivity. You can control path
> much better, it will be more stable, and the failover times will be greatly
> improved.
>
>
> On 12/11/09, MDevarajan_at_inautix.co.in <MDevarajan_at_inautix.co.in> wrote:
>>
>> jack try this ...
>>
>>
>> I feel we can implement cisco new protocol technology ( PFR) .. This
>> protocol purposely developed for Application.
>>
>>
>> Performance Routing (PfR) complements traditional routing technologies by
>> using the intelligence of a Cisco IOS infrastructure to improve
>> application performance and availability. This technology can select the
>> best path for each application based upon advanced criteria such as,
>> reachability, delay, loss, jitter, and Mean Opinion Score (MOS).
>> Performance Routing can also improve application availability by
>> dynamically routing around network problems like black-holes and brownouts
>> that traditional IP routing may not detect. The intelligent load balancing
>> capability of Performance Routing can optimize path selection based upon
>> link utilization and/or circuit pricing.
>>
>>
>> http://www.cisco.com/en/US/products/ps8787/products_ios_protocol_option_home.html
>>
>>
>>
>>
>>
>>
>>
>> jack daniels <jckdaniels12_at_gmail.com>
>> Sent by: nobody_at_groupstudy.com
>> 12/11/2009 09:53 AM
>> Please respond to
>> jack daniels <jckdaniels12_at_gmail.com>
>>
>>
>> To
>> Cisco certification <ccielab_at_groupstudy.com>
>> cc
>>
>> Subject
>> Application issue over two ISP
>>
>>
>>
>>
>>
>>
>> Hi Guys,
>>
>> I have a scenario -
>>
>>
>> CE -------ISP1
>> |
>> |
>> |
>> ISP2
>>
>>
>> users behind CE connect to remote application ,
>> Now issue is if ISP1 LINK or ISP1 goes down I have times less than 4 sec
>> for application to go via other link so that users are not imacted.
>> So can there be any solution for traffic to converge before 2 request
>> timeouts , so that my application users are not impacted.
>>
>>
>> Regards
>>
>>
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Received on Fri Dec 11 2009 - 20:59:45 ART

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