1 domain only or 1 domain with 2 child domains

Discussion in 'Active Directory' started by Tacobell, Jun 6, 2004.

  1. Tacobell

    Tacobell Guest

    Hello

    My boss has asked me to find information on how to set up a domain spanning 3 sites. We are 2 people working on this project with 2 different opinions on the set up. Let me explain

    Company A has 3 sites 1 in Montreal, the other in Toronto and the other in Vancouver. The Montreal office has 50 users, Toronto has 25 users and Vancouver have 10 users. Each of these sites are running their own server. IPX/SPX is the protocol and they are running on Novell servers. Each site has their own ADSL connection to the internet and this will not change. Montreal is hosting a dos based email server which will eventually change to Exchange 2003. Also this company has multiple domain names in the public DNS which point to their mail server
    We have been asked by the company to come up with an Active Directory deployment plan. My plan is to create 1 zone file and 1 domain with 3 sites. 2 DC's running 2003 in the Montreal site, another DC in the Toronto site and another DC in the Vancouver site. Replication would be scheduled daily say after 22:00. Does this make sense
    The other suggestion is to create 2 zones with 1 domain and 2 child domains

    Which of these opinions are sound

    Any insight would be appreciated

    Many thanks

    Tacobell2000
     
    Tacobell, Jun 6, 2004
    #1
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  2. I'd go with one domain and three sites, with your small number of users,
    replication traffic shouldn't be much of a concern. One domain would use 4
    DC's vs. 6 DC's for a three domain design.

    --
    Eric Chamberlain, CISSP




    spanning 3 sites. We are 2 people working on this project with 2 different
    opinions on the set up. Let me explain:
    Vancouver. The Montreal office has 50 users, Toronto has 25 users and
    Vancouver have 10 users. Each of these sites are running their own server.
    IPX/SPX is the protocol and they are running on Novell servers. Each site
    has their own ADSL connection to the internet and this will not change.
    Montreal is hosting a dos based email server which will eventually change to
    Exchange 2003. Also this company has multiple domain names in the public DNS
    which point to their mail server.
    deployment plan. My plan is to create 1 zone file and 1 domain with 3 sites.
    2 DC's running 2003 in the Montreal site, another DC in the Toronto site and
    another DC in the Vancouver site. Replication would be scheduled daily say
    after 22:00. Does this make sense?
     
    Eric Chamberlain, CISSP, Jun 6, 2004
    #2
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  3. Tacobell

    ptwilliams Guest

    I agree. As does MS; MS recommends the minimum number of domains.

    Domains are administrative boundaries. The administration of one domain
    over three, even though all are small, is significantly less.

    Also less servers means your boss will be happier.

    Just ensure that all DCs are Global Catalogue Servers and that each site has
    it's own DNS; I'd use Active Directory Integrated DNS -less traffic
    (localisation), and it can be more secure (and easier to setup).


    Paul.
    _________________________
     
    ptwilliams, Jun 6, 2004
    #3
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