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Network for a bank and its branches

By serge.bianda ·
Hello,
I am a network administrator for a small private corporate and recently I have been contracted by another company to design (from scratch)a new network architecture for a banking institution with 3 branches which all need to be connected asa WAN. Any suggestion on what is needed (hardware, software,..)for a bank in particular as I have never dealt with a banking system in terms of networking. I know one thing is that the security should be the #1 concern. Thanks

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Network for a bank and its branches

by mikeyslices In reply to Network for a bank and it ...

Serge,
If it's only 3 braches, the bank should be able to afford the cost for a VPN solution.
Whether or not if your bank internally hosts bank account information on their own mainframe or 3rd party data-center will make a big difference in implementing security a determining single points of failure. Keep in mind regardless of who your ATM Network provider is,, (They wiil want you to use their router) that you can have both ATM data and ethernet traffic at your branches use different portson a single router.
If these branches are going to have ATM machines, you can run both the ATM and ethernet traffic on the same router(separate ports).

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Network for a bank and its branches

by serge.bianda In reply to Network for a bank and it ...

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Network for a bank and its branches

by McKayTech In reply to Network for a bank and it ...

Financial institutions are mainly concerned with uptime and security. My choice for this type of project would normally be either Point-to-Point data lines (T1 or fractional T1) or frame-relay, depending on distance. If you wanted to take the further step of encrypting the data transfers, that would add some additional security.

I live in a Cisco-centric world so my choice for the hardware would be a Cisco 3640 router with a Wan Interface Card (WIC) for each location with an IOS version that supports encryption. These would attach by either a fully-meshed frame-relay network or a mesh created with point-to-point lines.

One other thing you may need to consider is that there is still a lot of non-IP traffic in the financial servicesworld and you may find that you need to do things like transparent bridging of Token-Ring/SNA mainframe traffic across an IP link. Choosing a capable router like the 3640 will give you the ability to meet those needs.

Also, you will want to eliminate as many single points of failure as you can within the existing budget so you may want to provide redundancy at each site if feasible.

paul

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Network for a bank and its branches

by serge.bianda In reply to Network for a bank and it ...

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Network for a bank and its branches

by serge.bianda In reply to Network for a bank and it ...

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