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Topic ClosedRevit Compatibility Issues
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grachel21 View Drop Down
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Joined: 07.Dec.2007
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Points: 5 		Direct Link To This Post Posted: 29.Jan.2008 at 06:27
Revit over the network is slow in terms of opening the model.

After that its speed is the same at all desktops...
If one or two users are in the model - speed is ok...

But more than 2 - speed becomes a crawl...
whether the model resides in the same office or over the network...
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damienrange View Drop Down
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Points: 5 		Direct Link To This Post Posted: 30.Jan.2008 at 11:10
Many firms have used the Riverbed network acceleration hardware when they have offices in multiple locations. Do anybody out here has had first hand experience with these products?
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grachel21 View Drop Down
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Points: 5 		Direct Link To This Post Posted: 04.Feb.2008 at 11:55

There are various WAFS and caching appliance and software-based solutions which work very well for other applications as well, for example Steelhead from Riverbed, the Tacit Networks appliance, and Availl software. While work sharing, Revit is constantly checking to make sure items are not being edited by others, and locking items when you edit them. If the network is slow, Revit will be slow.
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charlesbentt View Drop Down
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Points: 7 		Direct Link To This Post Posted: 08.Feb.2008 at 09:00

We did first test over our standard T3 WAN using a 110mb project file. Working directly in the Central file over the WAN was impossible. Saving to central, required upwards of 30 minutes.
The second test was performed after Riverbed appliances were connected between three of our offices. The same file was usable and saving to central was reduced to several minutes.

Revit does work over a wan, but it is indeed very slow. The Riverbed appliance is the best bet right now.



Edited by charlesbentt - 08.Feb.2008 at 09:04
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sherlikt View Drop Down
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Points: 4 		Direct Link To This Post Posted: 13.Feb.2008 at 11:50

Some Revit users are using Riverbed WAN software/hardware solutions:

 

http://www.riverbed.com/solutions/accelerate/cad_apps.php

 

It's not cheap, but if you workflow requires working on the same file from multiple offices; it may be worth it to you. Short of speeding up the WAN, I think I would have each office working on a separate file that is linked into the files of the other offices.
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grachel21 View Drop Down
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Points: 5 		Direct Link To This Post Posted: 18.Feb.2008 at 12:35
Some people do the VPN / Remote Desktop approach instead of the Riverbeds.

They setup cheap headless desktop units in the main office that remote users can log into and work from, so that Revit is on the LAN all the time. With a decent VPN / Remote Desktop setup its workable.

The Riverbed stuff is awesome, if not cheap.
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charlesbentt View Drop Down
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Points: 7 		Direct Link To This Post Posted: 25.Feb.2008 at 11:14
The Riverbed devices offer pretty much the best performance, especially for MS Windows environments.

They will improve the performance for Revit users. You do need to start with a decent network (as in LAN). And also worth noting, they can never offer the same performance as those on the same LAN experience, but they can move it much closer. For smaller files and office type docs, this is often insignificant - but for larger CAD files, you will still notice it.

My suggestion is to get some in for a trial.
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raysirois View Drop Down
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Joined: 26.Feb.2008
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Points: 2 		Direct Link To This Post Posted: 26.Feb.2008 at 20:18
The technology you guys need to consider in your environments is Riverbed's Steelheads.    These WAN acceleration appliances go on either end of your WAN links (T1 or VPN typically), and basically give performance nearly as fast as a local area networks gives.  We have been using this
technology for 4 years now, and it has enabled us to have a 99% central data model, including our AutoCAD.  Civil3D works very well with this.  (Land Desktop did not work very well with it, (MDB files don't work well.))  We do not use Revit.   See http://www.riverbed.com AND  http://www.ray.sirois.com for more information.
 
 
 


Edited by raysirois - 26.Feb.2008 at 20:18
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raysirois View Drop Down
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Points: 2 		Direct Link To This Post Posted: 26.Feb.2008 at 20:28
 
 
 
We have been using Riverbed Steelhead appliances for 4 years to solve the problems you guys are chatting about.  Good article above.
 
 
 
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sherlikt View Drop Down
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Points: 4 		Direct Link To This Post Posted: 04.Mar.2008 at 11:06
You are very right raysirois. Let me share our experience too.

We have a small company with two locations. Working with Revit worksharing used to be so slow that it was not possible for us before we upgraded to a set of Riverbed boxes (WAN acceleration devices).

We have a relatively slow line 2mbit in and 512 MB out, and thought about getting a city to city dedicated line, which would probably solve our problems. But the price per month was outrageous.

One of the Revit gurus in Autodesk recommended Riverbed. It worked, and the guys at Riverbed have been absolutely fantastic and helpful in setting it all up for us over the phone/email. The boxes were expensive but the performance was outrageous.

We had a huge Revit file of about 100 MB, which took 30 minutes before the boxes were set up. After the boxes were installed it uploaded in something like 20 seconds. The first time you transfer something over it takes a long time, then the second time it transfers really fast.

Hope it helps.
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