W dniu 2012-05-07 23:19, George Henke pisze:
Radoslaw,
ty for your interesting and helpful comments.
But, I was hoping that the whole was more than just the sum of the parts,
what with the zBx hipervisor and the speed and security of hipersockets.
Our 100 or more mid-range servers are layered and seeded with a vast array
of internal firewalls, switches, routers, IDPs/IDSes, load balancers all of
which I was hoping could be potentially eliminated by zBx along with the
server standup time and the organic labor to support it.
The unwieldly complexity of this conglomeration makes just opening a new
OSA path very labor-intensive, fraught with unforeseen obstacles.
I dare to disagree.
Windows or Linux will have all the advantages and disadvantages on both
"regular" blade and zBX blade.
I think (no offence intended), that part of the advantages you mentioned
are fictitious.
1. LAN security. Assuming your server room is a safe place there is not
problem to establish secure LAN without zBX facilities. More: none of
the facilities is exclusive to zBX, all of them are available outside.
2. Firewalls, etc. Assuming some of your servers need to be in DMZ you
still need a firewall between those servers and your internal LAN. zBX
network will not replace it.
3. Complexity. No difference between "regular" blades and zBX. Yes, you
can have mess in distributed systems area, but you can have also mess in
zBX or even z/OS realm.
4. Labor. As above, no difference between regular blades and zBX.
5. Speed of hipersockets. zBX data network is regular 10G Ethernet. What
is the advantage over 10G Ethernet available outside zBX?
6. Power save. It wasn't mentioned here, but it can be found in sales
pitches. Another piece of bullsh*t, especially when compared with
regular blades.
Last, but not least: you have 100 or more severs? You are happy guy. So
simple environment... I'm serious...
Regards
--
Radoslaw Skorupka
Lodz, Poland
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