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»Forums Index »Archive (2017 and earlier) »DTN.IQ Client Software Support »Internet Interleave Setting with IQFeed 5.0 millisecond precision
Author Topic: Internet Interleave Setting with IQFeed 5.0 millisecond precision (5 messages, Page 1 of 1)

Laurentius
-Interested User-
Posts: 9
Joined: Jan 15, 2011


Posted: Aug 2, 2013 08:08 AM          Msg. 1 of 5
Hello,

I am wondering what internet interleave setting which is necessary for keeping up with the new IQFeed 5.0 millisecond precision?

My ISP can configure the internet interleave setting with 0, 2, 4, 8, 16 and so on milliseconds, but I am now starting to believe I need the interleave setting set to 16 to get a complete stable line. So I am wondering if this would be to slow to keep up with the millisecond resolution now provided by IQFeed?

Some insights would be very much appreciated.

Thanks,
Laurentius

DTN_LorenF
-DTN Technical Support-
Posts: 228
Joined: May 11, 2004


Posted: Aug 2, 2013 10:36 AM          Msg. 2 of 5
Laurentius

This is a hard one. A few tests are to take the router out of the equation and make it a direct connect.
Check all the hardware(coax and other components) to make sure they are in good working order.
As far as the interleave, I do not have answer for you. Your ISP provider should have the best answer on that.

Laurentius
-Interested User-
Posts: 9
Joined: Jan 15, 2011


Posted: Aug 2, 2013 02:07 PM          Msg. 3 of 5
Hello Loren,

Thank you very much for your follow up.

I have adjusted the interleave up to 16 milli-seconds and have done ping tests to both Sioux City and IQFeed servers. The ones to Sioux City was with minimum 191 and maximum 195. The ping tests to IQFeed servers shows minimum of 190 and maximum of 195. With an interleave set to 0 I get from 148 to 151.

I understand that increased interleave values increases the ping result, but it should minimize the chance of data loss. So while writing this I am thinking that maybe the only issue would be that I in my case I would have an increased data delay of 44 to 47 milli-seconds, but I would still get all the milli-second resolution data from IQFeed. That is, if there is no factors that I am not aware of regarding a ping up to 195.

Could you please comment on what I wrote?


Thanks,
Laurentius
Edited by Laurentius on Aug 2, 2013 at 02:08 PM

DTN_Tim Walter
-DTN Guru-
Posts: 1238
Joined: Apr 25, 2006


Posted: Aug 2, 2013 03:47 PM          Msg. 4 of 5
Hello Laurentius,

In regards to this, I have not seen any specific testing results of interleaving in regards to our product, so you probably know more about it than I do. That said, there are several variables to consider, obviously pings are different protocols and subject to different routing. Also, the sizes will also be different than the TCP packets we send,so while at least you are seeing some test data which should certainly give an idea of what to expect it should not be considered hard fact.

We strive to provide the lowest feed latency at every corner within the parameters we can control, but the quality, speed, and reliabilitity of data connections across the globe provide so many variables it is impossible to know the answer for each situation. Unfortunately, it generally comes down to trial and error for your specific locations and needs.

I'll talk with someone else on Monday, when they are in, to see if they can expand on this at all and if so I'll let you know what the results of that conversation are.

Thanks for your interest in our feed and hopefully I can have more definative answers for you in the future.

Tim

Laurentius
-Interested User-
Posts: 9
Joined: Jan 15, 2011


Posted: Aug 4, 2013 01:44 PM          Msg. 5 of 5
Thank you Tim for your details. Interesting to know.

Looking forward to see if you can come up with some more specifics. Normally I would not be interested in these things, but when the internet line is not top notch it is nice know as much as possible to get the best out of it.

Best regards,
Laurentius
 

 

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