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Agentless method taking 1,000kb+ per second bandwidth


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#1 Benny

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Posted 21 January 2008 - 10:16 AM

Hi, I had been getting slow scanning on remote machines in other cities and decided to take a look at bandwidth usage of TNI. It was through the roof! No wonder it was slow. Not only that, but it bogs down the broadband connection something fierce.

Any solution to this?

#2 Benny

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Posted 22 January 2008 - 10:36 AM

Can you edit messages on here? I couldn't find a way.

Anyway, I forgot to say it's 1,000kb+ per sec. both ways, not just down or up. So that's 2,000kb+ total bandwidth and again, that's only around 5 PCs. I'd hate to see what scanning 20 or more at a time would do.

#3 Zak

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Posted 24 January 2008 - 11:58 AM

There should be an "Edit" button below each of your message.

You are right about the huge traffic for agent-free method. We have conducted a couple of tests and found out the following: the reason for such traffic is gathering of information about installed software. Moreover, most traffic is going from admin computer to the scanned workstation.

For example, we've scanned a Win2000 machine with about 50 items in Uninstall section of the registry, and it took 2.8/4.0/6.9 (down/up/total; traffic meter was installed on client machine) MB of traffic only for installed software. The whole scan took 3.0/4.9/8.0 MB. Scan time was 01:51, so you can count average bandwidth usage, though it has really ragged rate.

For a WinXP machine with around 300 "Uninstall" items the total traffic was 58.2/9.0/67.2 MB, while installed software took 57.3/3.3/60.5 MB of them, and all other information took only 0.8/5.6/6.4 MB. Scan time was 02:21.

There is a very little chance that it can be optimized with usage of WMI technology, because this traffic is generated by its calls. I can advise to disable "Installed software" and "Antivirus software" in "File - Options - Inventory" and thus don't collect this information, if the traffic is an issue.

Or you should use agent method. For the same WinXP machine it took only 1.4/0.1/1.6 MB for the first time, and if you have "Keep deployed filed" option enabled in "Options - Connection", then the second and all other times will be around 0.1/0.1/0.2 MB (118/122/240 KB), and this is of course with all inventory categories enabled. You can see the difference is staggering, so agent method is a real option for traffic-sensitive applications.
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#4 Benny

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Posted 24 January 2008 - 12:45 PM

Ah, I see the Edit button now. Apparently I missed it.

Yes, I notice the agent method takes less bandwidth. Although on many computers, at least on a LAN, it seems agentless is faster than using the agent. I don't get that.

With all the problems with agentless, it sounds like the agent method is the way to go, don't you think?

#5 Zak

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Posted 25 January 2008 - 02:51 AM

Yes, that's why the agent method is used by default in the furst turn. However, agentless method has it's right for life too. :)
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#6 Benny

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Posted 27 January 2008 - 07:03 PM

I think agentless is just a buzzword that causes a lotta headaches.

#7 Zak

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Posted 28 January 2008 - 03:12 AM

Yep, some marketing is definitely involved here :)
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#8 Benny

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Posted 28 January 2008 - 12:55 PM

when will people learn?

#9 Zak

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Posted 30 January 2008 - 01:44 AM

Anyway, sometimes only agentless method can be used, for example in Windows 98.
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#10 Benny

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Posted 31 January 2008 - 09:41 AM

ack! who uses Windows 98 any more? they should be shot :)




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