[CentOS] assigning "best" gateway via DHCP

[Rogelio]

Joseph L. Casale wrote:
>> What might I do Linux-wise to create a "system" that looked at multiple
>> gateways and then assigned (via DHCP) the gateway that was the least
>> congested?
>>
>> Anyone have any good suggestions in this department?
> 
> Your assumption is that the level of congestion would remain unchanged for the
> length of the lease? Maybe an alternative is something that hands out one gateway
> then decides possibly what ip to masquerade with.

This is a good idea, thanks.  So, I'm assuming that you mean something 
like this?

http://tldp.org/HOWTO/IP-Masquerade-HOWTO/