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inMaryland

@army.mil
reply to inMaryland

Re: Is this throttling? - I believe so

easynews offers https ssl (port 81) downloads.. it is not optimal for my setup (can't use newsbin this way) but I will try this download method and report back... should be an interesting test.


inMaryland

@comcast.net
I tested a usenet download from easynews using their https ssl port 81 method.. it works great.. maxed out my 105mbps bandwidth for the entire 1.4G download.. it is clear to me that Comcast is now traffic shaping... probably looking at packets for NNTP and maybe other types of traffic.


JohnInSJ
Premium
join:2003-09-22
Aptos, CA
said by inMaryland :

I tested a usenet download from easynews using their https ssl port 81 method.. it works great.. maxed out my 105mbps bandwidth for the entire 1.4G download.. it is clear to me that Comcast is now traffic shaping... probably looking at packets for NNTP and maybe other types of traffic.

Well, that's hardly an exhaustive test...
--
My place : »www.schettino.us


inMaryland

@comcast.net
did not say it was an exhaustive test.. I will keep trying both methods of downloading from easynews (NNTP vs. https) for awhile (days, weeks) and report back..


jlivingood
Premium,VIP
join:2007-10-28
Philadelphia, PA
kudos:3
said by inMaryland :

did not say it was an exhaustive test.. I will keep trying both methods of downloading from easynews (NNTP vs. https) for awhile (days, weeks) and report back..

Fun experiment... What cable modem make/model and home gateway do you have? In your home gateway, any QoS settings for the upstream? If so, can you try limiting upstream bandwidth to 70% of your provisioned rate? (see »vonage.nmhoy.net/wrt54glqos.html but just try upstream limiting first before prioritizing FTP)

Jason
--
JL
Comcast


inMaryland

@army.mil
My modem is a Motorola SB6120. my router is not the issue - I get the same results by connecting the modem directly to my pc and bypassing the router. Also, I seriously doubt that my uplink channel is any where near saturated... I have an upload bandwidth of 20mbps (tested) and when I do an NNTP download my upload pipe never uses even 1mbps.. I don't use bit torrent or other p2p protocols which could saturate the upload pipe. I have not tested ftp - that would be an interesting test. And btw, my router is NOT using any QOS


JohnInSJ
Premium
join:2003-09-22
Aptos, CA
if you are 105/20 and you are maxing out your downlink for extended periods, I would not be shocked to find you are falling into the congestion management system, but there is no way to be sure of that from your end.

Have you tried several different concurrent download sources? As many as needed to fill the pipe?
--
My place : »www.schettino.us

rody_44
Premium
join:2004-02-20
Quakertown, PA
reply to inMaryland
He didnt ask if you were using QOS. He was asking you if you would mind trying it.