ebusiness configuration

We are going to be implementing ebusiness early in 2000 and I would welcome
any suggestions from the group that might help me setup & configure.

Current environment:
     We have a model 510 that runs legacy applications is at V4R3 and has
domino.
     We also have a model 170 at V4R3 that runs domino and Lotus Notes mail.
     We are currently migrating OV on the 510 to the 170 Notes mail.
     We have a T1 that is used for email & internet access
     Our current website if brochureware & is out-sourced
     Firewall is installed and active  (not AS/400 firewall)

New environment:
     We are upgrading the 510 to a 720 early in 2000
     Both systems will be upgraded to V4R4
     Website will be brought in-house and will consist of:
          1. e-commerce
          2. intranet
          3.  extranet

Questions:
     Can the 170 best be utilized to be our webserver?
          If so, where should my mail server reside?

     If the 170 is our webserver, does it exist outside of the firewall?

     What should exist inside the firewall & what should be outside the
firewall?

     What suggestions do you have on how this can be setup?

     I am planning on purchasing net.commerce or some other product
          that will provide similar functions, what other software
          will be required?


Thank you in advance for your insights....











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