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From Marcus Sorensen <shadow...@gmail.com>
Subject RE: [PROPOSAL] "Internal Load Balancing between VPC tiers"
Date Tue, 26 Mar 2013 02:55:23 GMT
I assume, and it seems this way from the spec, that the load balancer VM
just lives in the same network as the VMS you want to balance and redirects
traffic to them. It has a link local nic plus 1 nic.

That's why I was thinking it would be easy to just create a static Nat rule
to the internal load balancer for public load balancing on any network tier.
On Mar 25, 2013 8:46 PM, "Vijay Venkatachalam" <
Vijay.Venkatachalam@citrix.com> wrote:

> If the services are provided by a LBVM, it should have access to both
> networks, one NIC in the web tier (the guest network where the VIP is
> present) and one NIC in the App Tier (the guest network where the server
> vms are present), would that understanding be right? So when provisioning
> the LB VM the user has to specify these 2 networks?
>
> On the similar lines, if an external LB Appliance is providing the
> service,  it has to be wired to both the VIP network  and the server vm
> network.
>
> Thanks,
> Vijay V.
>
> > -----Original Message-----
> > From: Alena Prokharchyk [mailto:Alena.Prokharchyk@citrix.com]
> > Sent: Saturday, March 23, 2013 4:28 AM
> > To: cloudstack-dev@incubator.apache.org
> > Cc: Alex Huang; Chiradeep Vittal
> > Subject: [PROPOSAL] "Internal Load Balancing between VPC tiers"
> >
> > I would like to propose a new feature - "Internal Load Balancing between
> > VPC tiers".  With the feature support, you can set up the Load Balancer
> inside
> > the VPC without facing the public network side. It will allow to balance
> > internal traffic between tiers inside the VPC - for example, traffic
> coming
> > from Web Tier to the App tier.
> >
> >
> > Please review the firs draft of FS and provide your comments and
> feedback.
> > If you feel like some details are missing, let me know and I'll update it
> > promptly.
> >
> > https://cwiki.apache.org/confluence/display/CLOUDSTACK/Internal+Load+B
> > alanc
> > ing+between+VPC+tiers
> >
> >
> > Alex/Chiradeep, would appreciate your reviewal as you were the original
> > contributors for the majority of cloudStack Networking code.
> >
> >
> > Thank you,
> > -Alena.
>
>

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