Re: Serialising functions...

2011-03-04 Thread Christopher Brown
It's always tempting to use the MAC address, and while in physical hardware it's unique, in networking it's only required to be unique within a single L2 domain. Some virtualized environments, including EC2, play games with the MAC address and rendering it useless as a global ID. -C Ken Wesson

Re: Serialising functions...

2011-03-04 Thread Christopher Brown
n the same organization, routable at L3 but in separate L2, can have VMs with conflicting MAC addrs. Admittedly, it's a nit to pick, but who would want to debug that? -C Ken Wesson wrote: > On Fri, Mar 4, 2011 at 1:09 PM, Christopher Brown > wrote: >> It's always tempting to u

Re: Serialising functions...

2011-03-05 Thread Christopher Brown
's already been discussed. Cheers, Chris Michael Wood wrote: > On 5 March 2011 07:38, Ken Wesson wrote: >> On Fri, Mar 4, 2011 at 8:07 PM, Christopher Brown >> wrote: >>> It will always return a MAC address, but in a virtualized environment those >>> are a