running servers over WAN ??
#1
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We are moving offices and during a transition period we would like to link the buildings (probably using dark fibre) and run file/print/email services over the WAN until all the people and kit are moved.
Our LAN is a gigabit ethernet backbone with 100meg full duplex to every desk.
My question is how big a pipe do we need between the buildings to maintain acceptable performance - 400 users IP only.
I know there's lots of variables - just need a rough idea!
Our LAN is a gigabit ethernet backbone with 100meg full duplex to every desk.
My question is how big a pipe do we need between the buildings to maintain acceptable performance - 400 users IP only.
I know there's lots of variables - just need a rough idea!
#2
depends on your data transfer throughout all users. I would imagine 1mbit up and down would suffice for everyday use. Its fairly cheap to get for a month or so.
In addition, you say your moving this data over IP only. I would deffinetly reccomend against this.
For the extra little bit of work it would involve, just set up IPSec or even a VPN.
Good luck with the move.
In addition, you say your moving this data over IP only. I would deffinetly reccomend against this.
For the extra little bit of work it would involve, just set up IPSec or even a VPN.
Good luck with the move.
#6
Scooby Regular
Wr have a 2Mb connection back to one of our clients. We have around 75 people here that use the connection for file/print on Novell servers.
It's a bit slow, but acceptable. I certainly wouldn't want to go much lower, but the majority of work is Telnet traffic to Unix boxes. It's great for that, but you do notice a drop when folk start ftp'ing to/from the servers.
We have another 30 users on seperate client network here too. They mainly use it for Mainframe connectivity and e-mail (Exchange/Outlook). That's on a 128k leased line connection and works well for the Mainframe sessions and even e-mail. File/print is all local, so that's why they get away with that size of pipe.
It really depends on how much continous traffic you can expect across the pipe. A suitably large print job would see the available bandwidth dip suddenly and 400 users trying to authenticate or download roaming profiles might cripple it.
Stefan
It's a bit slow, but acceptable. I certainly wouldn't want to go much lower, but the majority of work is Telnet traffic to Unix boxes. It's great for that, but you do notice a drop when folk start ftp'ing to/from the servers.
We have another 30 users on seperate client network here too. They mainly use it for Mainframe connectivity and e-mail (Exchange/Outlook). That's on a 128k leased line connection and works well for the Mainframe sessions and even e-mail. File/print is all local, so that's why they get away with that size of pipe.
It really depends on how much continous traffic you can expect across the pipe. A suitably large print job would see the available bandwidth dip suddenly and 400 users trying to authenticate or download roaming profiles might cripple it.
Stefan
#7
You see its people giving lusers 100 meg to the desktop which encourages microshaft to continue trying to fill the bandwidth. You dont *need* 100 meg to save a few word files, send some crap jokes and surf scoobynet
If you monitored a few key switch points for a few dyas you'd know exactly how much bandwidth you *used* - which would be a good start for evaluating what you *need*
I remember when we were lucky to get 10mb/s half-duplex - and we were grateful.......
Deano
If you monitored a few key switch points for a few dyas you'd know exactly how much bandwidth you *used* - which would be a good start for evaluating what you *need*
I remember when we were lucky to get 10mb/s half-duplex - and we were grateful.......
Deano
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#8
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Am I missing something - if you're talking dark fibre between the buildings why not just extend the Gigabit LAN backbone? 200 people trying to access file/print over a 2Mbps will be painful for them, and you!
Richard
Richard
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