Re: Direct Routing method is efficient or not

>  One important question is with physical and virtual ip network cards
>  are presently serving the websites requests.
>  
>  If we need to configure Ultramonkey with HA and loadbalancing i need
>  to add one more virtual network card on  both the real servers to
>  share the information.My question is sharing one virtual ip with
>  virtual ip address(which is serving for websites) in main server 
will
>  work or not.
  As your linux-directors are separate machines, you should
not need to add any more addresses to the real-servers.
   
  Thanks for your reply
I am not clear with this because i am not sure you understood my question.
   We are presently using virtual network cards in our webservers i.e virtual ip's 
for hosting websites.sharing virtual ip with other virtual ip will work or not my question

Horms <[email protected]> wrote:
  Radhika wrote:
> [-- text/plain, encoding 8bit, charset: iso-8859-1, 29 lines --]
> 
> Hi,
> 
> I hope some one help me in this situation
> 
> We are having two webservers
> 
> 1) webserver1 -- 1 physical network card and 2 virtual network cards
> configured for websites hosting
> 
> 2) webserver2 -- 1 physical network card and 2 virtual network cards
> configured for websites hosting
> 
> We are planning to configure HA and load balancing for these two
> servers.We are planning to install two(2) director machines with
> direct routing.This direct routing method is efficient or not.

LVS is very efficient.

> One important question is with physical and virtual ip network cards
> are presently serving the websites requests.
> 
> If we need to configure Ultramonkey with HA and loadbalancing i need
> to add one more virtual network card on both the real servers to
> share the information.My question is sharing one virtual ip with
> virtual ip address(which is serving for websites) in main server will
> work or not.

As your linux-directors are separate machines, you should
not need to add any more addresses to the real-servers.

> One virtual ipaddress need to configure in two directors to share the
> information. Is there anyother wany to configure easily with this
> configuration and which is best for this environment.

I would guess that the easiest way to achieve your goals is
to use LVS-NAT, as discussed at:

http://www.ultramonkey.org/3/topologies/ha-lb-overview.html

LVS-DR should also work. But it is a little more tricky to set up.

http://www.ultramonkey.org/3/topologies/hc-ha-lb-overview.html

-- 
Horms


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