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GautamFlag for India

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MPLS

Dear Experts:

I have joined to the company where many branches (05 Branches) in head office we have leased line ciruit with 8 mbps and 03 other branches have leased line now are planning leased line few other 03 more branches i got to know about MPLS can anybody suggest me on the below doubts:
1.Is this a proven and reliable connection when compared to leased line on individual locations
2.If we go for MPLS can i acheive centralized server authentication for all the branches that is all the branch users can access the same server for authentication.
3.can all the users of other branches belong to the same network

also please tell me other advantages of MPLS.

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James H
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Thanks for the reply. I have suse enterprise linux as ldap server and samba domain controller with ldap as passwd backend iam planning to keep replication or slave at branches by going to MPS and slave or replication server is this a best practice please suggest. Thanks in advance.
The question becomes how much data are you replicating?
You might also want to look into WAN accelerators to help with traffic control depending on the what else you push across the MPLS.
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Sir, Thanks for the reply. Iam planning to reserve 4 mbps and for head office and share 1 or 2 mbps for each branch with the RF on each branch, purpose for MPLS is for ERP (web based) access for all the users for entering the data and pushing word processor and spread sheets.please suggest.
How many users per remote site?
From what you describe, you should be fine with the setup but it would benefit you and your users to think about WAN acceleration.
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ASKER

per remote site 50 users like that two remote sites remaining each remote site 25 users. can you please explain about wan acceleration, what shoud we do for this. please little more details.
Take Bluecoat for example.

http://www.bluecoat.com/products/mach5

You can leverage this technology to boost up your bandwidth 2 to 3 times faster.
This is just one example and there are various companies that do provide this service.
You can try and buy from any vendor.
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Sir, Thank you very much, if we go for this MPLS for example hub and spoke , can i acheive the intercom telephone or ip phones so that the cost for telephone across all the braches where MPLS can be saved. Please suggest. Thanks in advance.
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madunix

The big problem with hub-and-spoke is that all of your IP voice traffic has to go through the hub. That will work fine if you have enough bandwidth and you have redundancy so that a loss of a router at your hub doesn't take down all of your communications.
Guys...
MPLS DOES NOT give hub and spoke capability.. it's a full mesh topology natively.. hub and spoke could be achieved through routing at the remote sites (BGP and filtering etc..)
But I don't think this is what we are really talking about here..

D_wathi: I think you're talking just about being able to route calls through the network.. which is definitely supported and works perfectly... so with MPLS you will be able to do that.. but you need to make sure:
1) You have the right Voice modules in the WAN routers
2) You subscribe to a package with the WAN Carrier that provides for VoIP so the SLA would backup the quality you need on VoIP.
3) You would ideally want VLANs in the sites to segment the network.
<< if we go for this MPLS for example hub and spoke , can i acheive the intercom telephone ...>>

@D_wathi: I must have misunderstood the above question. I thought you were doing hub and spoke, which you can do with MPLS depending on how it is configured and ordered from your ISP MPLS provider, especially if you are using L2 VPNs. You can order L2 connections between your sites and it will still be MPLS in the provider core. I would definitely recommend an L3 connection to your ISP MPLS provider for a fully meshed system if you're doing VOIP. Any 18xx/19xx series router with the right modules would work just fine depending on your traffic rates and connection speeds.

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Sir, thanks for the reply. if going for iphone or VOIP then should go for the L3 MPLS connection. please suggest me.
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it should not really matter.. just talk to them about the Quality of Service and whether they have a dedicated class for Voice IP, which they will most probably have.

I have seen implementations with VoIP on L2 and on L3.
L3 is also cheaper but it doesn't give you the level of control and simplicity of L2.
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