[c-nsp] Application issue over ISP

[jack daniels]

Hi ,

I can run any protocol , cant run tunnel as other side is client who cant
make changes




On Sun, Dec 13, 2009 at 10:23 PM, Vincent C Jones <
v.jones at networkingunlimited.com> wrote:

>  On Sun, 2009-12-13 at 21:06 +0530, jack daniels wrote:
> > 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.
>
> There are a wide variety of solutions, but whether or not they will work
> for you depends very much on both the specifics of the application and
> how you connect to your ISPs. Classic dual-homed BGP is not one of the
> solutions given your timeout requirements. "Ping based routing" may do
> the job if your user application can tolerate changing public IP
> addresses. If you have a presence at both ends of the public internet
> connection, you could also look at tunnel based solutions.
>
> --
> Vincent C. Jones
> Networking Unlimited, Inc.
> Phone: +1 201 568-7810
> V.Jones at NetworkingUnlimited.com
>
>
>