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What should i deploy in exchange 2007 to reduce bandwidth usage

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  • What should i deploy in exchange 2007 to reduce bandwidth usage

    Hi there again!

    We have 4 sites using the same exchange 2003 server in main site, i've seen that most remote clients often see public folders 'in slowmotion'. People's conection to exchange hanging up from remote site, public folders not displaying, etc...

    I guess this is a bandwith problem between sites but i don't want to let those remote sites go on without their public folders.

    Now we're migrating to a full new domain with server 2008 clustered and a clustered 2 server exchange 2007 new install.

    My question is: what should i do (having exchange 2007 clustered in main site and outlook 2007 clients in remote sites) to make those remote clients go faster when browsing through public folders and contacting the server?

    Should i deploy aditional servers with replication from the main site one to make the remote clients ask their own server or will just the replication traffic make things worse?

    Thanks in advance!

  • #2
    Re: What should i deploy in exchange 2007 to reduce bandwith usage

    Can you tell us more about the sites, the links between them and the servers already deployed at each site?
    Tom Jones
    MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
    PhD, MSc, FIAP, MIITT
    IT Trainer / Consultant
    Ossian Ltd
    Scotland

    ** Remember to give credit where credit is due and leave reputation points where appropriate **

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    • #3
      Re: What should i deploy in exchange 2007 to reduce bandwith usage

      Yes, sure.

      nowadays there are no servers deployed in remote sites, just clients with outlook 2007

      They have a DSL line with 8Mbits of download speed and 600 Kbits of upload speed. There are 4-8 ppl in every remote site.

      I'm going to deploy an extra DC server in each site so they don't need to get out to logon into the domain, but i don't know what to do with exchange.

      As i stated before i doubt if deploying another exchange server replicated against the main site CCR exchange would help me or make things go worse.

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      • #4
        Re: What should i deploy in exchange 2007 to reduce bandwith usage

        There is only solution I would be recommending in this scenario - thin clients.

        Unless you have an Exchange server in each location and replicate the data (with the additional headaches of backing up and securing those servers) then you are not going to see any performance gains. If you are using public folders heavily, then thin clients would be your best option.

        Another option would be to increase the bandwidth, but the next step up from DSL is to something like a leased line/T1 and the costs will go up quite quickly. Thin clients so the users are connecting to a terminal server local to the Exchange server will see a significant performance benefit and make support much easier.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

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        • #5
          Re: What should i deploy in exchange 2007 to reduce bandwith usage

          Ok, thx for your reply Sembee...

          But. Imagine i have the budget and the time to deploy another exchange server in each site.

          Will it really increase client perfomance and make bandwith usage lower?

          Just one mad idea, what if i put ANOTHER DSL line on each site and use it for mail/exchange only traffic?

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          • #6
            Re: What should i deploy in exchange 2007 to reduce bandwith usage

            DSL is never going to give you the bandwidth you need to run Exchange live for more than one or two users, because of the limited upload bandwidth.
            Deploying additional servers is much more than budget for the hardware, software, CALs etc. There is the support and security aspect. I would find it very hard to justify deploying servers in to small offices because of the TCO of doing so. Terminal Services/Thin clients would provide a much better TCO. Plus it makes disaster recovery (loss of a remote site) a breeze.

            Look at the complete picture.

            Simon.
            --
            Simon Butler
            Exchange MVP

            Blog: http://blog.sembee.co.uk/
            More Exchange Content: http://exchange.sembee.info/
            Exchange Resources List: http://exbpa.com/
            In the UK? Hire me: http://www.sembee.co.uk/

            Sembee is a registered trademark, used here with permission.

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