In general, BITS will attempt to scale back a transfer's bandwidth usage for as 
long as there's bandwidth contention it can detect , which means "over the same 
IGD (Internet Gateway Device)" if the IGD supports the right kind of traffic 
counter queries, or "from the same machine" otherwise), and it will 
retry-after-xx seconds for many types of outright failures to transfer.

In reality - BITS doesn't get the info from the IGD, so it reverts to using the 
NIC speed as it's available bandwidth which is less than ideal, so it's best to 
throttle it using policy. In our testing we found that BranchCache worked even 
better if BITS was throttled - even just slightly.

From: [email protected] [mailto:[email protected]] On 
Behalf Of Roland Janus
Sent: 02 June 2015 19:57
To: [email protected]
Subject: RE: [mssms] BITS

What is BITS really doing to no get into the way or throttle?

What I thought, it basically only knows what else is on the NIC is uses, it 
doesn't know if there is anything else in the pipe.
True?

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Marcum, John
Sent: Dienstag, 2. Juni 2015 20:08
To: [email protected]<mailto:[email protected]>
Subject: RE: [mssms] BITS

Someone once told me the only way to know how fast you can go on a given road 
was to try it too fast once.

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Andreas Hammarskjöld
Sent: Tuesday, June 2, 2015 2:43 AM
To: [email protected]<mailto:[email protected]>
Subject: RE: [mssms] BITS

We talked about this senior... *sigh* so many times. This is a wet dream that 
will never come through.

Gonna open up a can of worms with this but here it goes. The ONLY way (and the 
"other vendors" will tell you different with their mumbo-jumbo technology) you 
can tell how much bandwidth you got on a pipe is to try to cram as much data 
through as possible for a period of time. WAN software today is very 
sophisticated and will allow bursts etc. for periods of time depending on 
certain scenarios.

Far more superior people have done many hours on this subject: The A**shole 
project, sorry Assolo, got some very interesting reading: 
http://netlab-mn.unipv.it/assolo/

Think of it like answering this question, how fast can you go on a certain road?

//A

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Phil Wilcock
Sent: den 2 juni 2015 09:29
To: [email protected]<mailto:[email protected]>
Subject: RE: [mssms] BITS

Haha - wasn't expecting that Roland :)

My number 1 is - Accurate end-to-end bandwidth calculation..

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Andreas Hammarskjöld
Sent: 02 June 2015 08:18
To: [email protected]<mailto:[email protected]>
Subject: RE: [mssms] BITS

Oh man!!! :)

//A

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Roland Janus
Sent: den 2 juni 2015 08:29
To: [email protected]<mailto:[email protected]>
Subject: RE: [mssms] BITS

Make it work better? Make it work like OneSite? :)



From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Andreas Hammarskjöld
Sent: Montag, 1. Juni 2015 22:25
To: [email protected]<mailto:[email protected]>
Subject: [mssms] BITS

Hey,

Got an upcoming meeting with the BITS dev team, anything that you guys see 
missing that should be fixed? Or something that you never found the answer too?

Anything accepted as long as it's not in the form of "make it work". :)

Br,

//Andreas

----------------------------------
Co-Founder
+46727253995
http://2PintSoftware.com
http://twitter.com/AndHammarskjold






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