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Comcast XFINITY → Re: Northeast routing latency

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This is a sub-selection from Northeast routing latency

Darknessfall Premium Member join:2012-08-17 Motorola MG8725 Asus RT-N66	Darknessfall Premium Member 2012-Dec-5 3:31 pm Re: Northeast routing latency Just got a new modem and a new IP . Tracing route to Dslreports.com [209.123.109.175] over a maximum of 30 hops: 1 * * * Request timed out. 2 6 ms 7 ms 19 ms ---------- 3 13 ms 10 ms 11 ms be-52-ar01.chartford.ct.hartford.comcast.net [68.85.162.194] 4 13 ms 15 ms 15 ms pos-1-5-0-0-ar01.needham.ma.boston.comcast.net [68.85.162.73] 5 21 ms 23 ms 23 ms he-2-7-0-0-cr01.newyork.ny.ibone.comcast.net [68.86.95.29] 6 20 ms 20 ms 24 ms 173.167.58.26 7 21 ms 21 ms 21 ms 0.e1-4.tbr1.oct.nac.net [209.123.10.122] 8 20 ms 21 ms 22 ms vlan804.esd1.oct.nac.net [209.123.10.2] 9 21 ms 20 ms 21 ms www.dslreports.com [209.123.109.175] Trace complete.
	actions · 2012-Dec-5 3:31 pm ·
ropeguru Premium Member join:2001-01-25 Mechanicsville, VA	ropeguru Premium Member 2012-Dec-5 3:44 pm Wow, I didn't realize there was anyone out there who was fast enough to have a 20ms difference effect their browsing to DSLR.
	actions · 2012-Dec-5 3:44 pm ·
EG The wings of love Premium Member join:2006-11-18 Union, NJ	EG to Darknessfall Premium Member 2012-Dec-5 5:42 pm to Darknessfall said by Darknessfall: Just got a new modem and a new IP . Tracing route to Dslreports.com [209.123.109.175] over a maximum of 30 hops: 1 * * * Request timed out. 2 6 ms 7 ms 19 ms ---------- 3 13 ms 10 ms 11 ms be-52-ar01.chartford.ct.hartford.comcast.net [68.85.162.194] 4 13 ms 15 ms 15 ms pos-1-5-0-0-ar01.needham.ma.boston.comcast.net [68.85.162.73] 5 21 ms 23 ms 23 ms he-2-7-0-0-cr01.newyork.ny.ibone.comcast.net [68.86.95.29] 6 20 ms 20 ms 24 ms 173.167.58.26 7 21 ms 21 ms 21 ms 0.e1-4.tbr1.oct.nac.net [209.123.10.122] 8 20 ms 21 ms 22 ms vlan804.esd1.oct.nac.net [209.123.10.2] 9 21 ms 20 ms 21 ms www.dslreports.com [209.123.109.175] Trace complete. You still are traversing the same NY ibone router in the forward path that you were in your earlier trace.. 6 44 ms 47 ms 47 ms he-2-7-0-0-cr01.newyork.ny.ibone.comcast.net [68.86.95.29] However, with your new WAN / public IP, perhaps the return path routing is now different. With the way that BGP works, a new IP will more likely force a change in the return path rather than the forward.
	actions · 2012-Dec-5 5:42 pm ·
Darknessfall Premium Member join:2012-08-17 Motorola MG8725 Asus RT-N66	Darknessfall Premium Member 2012-Dec-5 5:56 pm said by EG: said by Darknessfall: Just got a new modem and a new IP . Tracing route to Dslreports.com [209.123.109.175] over a maximum of 30 hops: 1 * * * Request timed out. 2 6 ms 7 ms 19 ms ---------- 3 13 ms 10 ms 11 ms be-52-ar01.chartford.ct.hartford.comcast.net [68.85.162.194] 4 13 ms 15 ms 15 ms pos-1-5-0-0-ar01.needham.ma.boston.comcast.net [68.85.162.73] 5 21 ms 23 ms 23 ms he-2-7-0-0-cr01.newyork.ny.ibone.comcast.net [68.86.95.29] 6 20 ms 20 ms 24 ms 173.167.58.26 7 21 ms 21 ms 21 ms 0.e1-4.tbr1.oct.nac.net [209.123.10.122] 8 20 ms 21 ms 22 ms vlan804.esd1.oct.nac.net [209.123.10.2] 9 21 ms 20 ms 21 ms www.dslreports.com [209.123.109.175] Trace complete. You still are traversing the same NY ibone router in the forward path that you were in your earlier trace.. 6 44 ms 47 ms 47 ms he-2-7-0-0-cr01.newyork.ny.ibone.comcast.net [68.86.95.29] However, with your new WAN / public IP, perhaps the return path routing is now different. With the way that BGP works, a new IP will more likely force a change in the return path rather than the forward. I noticed that too, weird.
	actions · 2012-Dec-5 5:56 pm ·
EG The wings of love Premium Member join:2006-11-18 Union, NJ	EG Premium Member 2012-Dec-5 6:02 pm It's not "weird". It is what it is. A tracert doesn't reveal the return path routing. One does not know what path is being taken for the return. A trace would need to be performed from the other end to see what route is being used. The latency numbers you see on any particular hop are RTT's (Round Trip Times) so the excessive latency could actually be being introduced / caused by the return routing.
	actions · 2012-Dec-5 6:02 pm ·

Forums → US ISPs cable → Comcast XFINITY	« Rental Fee for Modem for phone service, etc?? • [Connectivity] Dual 32 MHz vs Single/Dual 96 MHz Tuner? »
This is a sub-selection from Northeast routing latency