[CentOS] recommendations/suggestions - geographically spread
network based on Centos
d.k.emaillists at gmail.com
Sun Jun 1 05:47:17 UTC 2008
Good day all,
I was wondering if I could pick some admin heads here as I have a HUGE
project I have been tasked with.....
I am asking here since I will be basing everything on Centos, and want
it to all play nice together. If anyone feels this is straying off
topic, please just reply off list. I do not want to be the cause of
one of those threads.
I have 3 offices, 1 in Canada, 2 in Mexico. We are currently
investigating connectivity options (still no results yet), but I
suspect one of the mexican sites will be very limited.
I need to setup the typical office setup, but need to get the
following figured out. I personally do not have experience in this
type of network (all my past experience comes from a centralized
office, one location, or a multi office with services all based in
their respective locations).
So because The connectivity is probably limited (in our mexican
offices), I will need to take that into consideration (obviously).
Our head office has a 10mb full duplex fiber feed, but we also have
equipment in data centers.
What I need in the end is:
- exchange like functions IE Global address book, shared calenders,
etc (looking at scalix, or could keep my existing email server - very
happy with it, and just setup a LDAP server and a CalDAV server -
still investigating this one though).
- Funambol with various connectors to push email and calendars to
blackberries and iphones.
- vpn (openvpn) - mostly just the head office though
- collaborative / project management environment (looking at alfresco
- sharepoint alternative)
- monitoring (nagios)
- helpdesk (glpi with ocs for inventory management)
- file sharing (samba)
- remote file backups (probably just rsync into a dedicated backup
machine in a data center)
- access to all services (probably - still waiting back from the
higher ups) from all locations
So my first thought is that my preference it to keep as much at a data
center as possible due to security, temperature control, connection
reliability, etc. Due to my inexperience with some of these products,
(IE Scalix,etc) I am kind of wondering what the best way or topology
is to do this is.
So at a brief first thought I kind of envisioned this:
- scalix, Funambol, alfresco, nagios (also one in my office as
backup), backup box collocated in the data center providing it can be
locked down adequately, and still provide the needed services to all 3
- in each office a samba file server, vpn server.
Due to the probable connectivity issue with the remote offices (one is
literally in the desert at a work site), I did not think a constant
inter-office VPN was the way to go, Or even securing the main data
center services with VPN (unless I could build it right for speed).
However I guess I could lock down the data center services with VPN,
and create a constant connection between head office and the data
center, and allow the other offices to connect via individual vpn
connections as needed.
Thoughts? Just looking for a general broad overview, or some software
recommendations if anyone from experience has a recommendation that is
possibly better than the software I had outlined here.
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