Any of the distances about 1000 miles?  Thanks for the feedback.

________________________________
From: David Mazzaccaro [mailto:david.mazzacc...@hudsonmobility.com]
Sent: Thursday, May 05, 2011 12:29 PM
To: NT System Admin Issues
Subject: RE: MPLS Latency

9 site MPLS here.  No fiber, all full T1's at each site.
I just averaged 28ms - 31ms between me and all other 8 sites.  My provider's 
SLA states 50ms or better.


From: Stringham, Steven [mailto:sstri...@lrlaw.com]
Sent: Thursday, May 05, 2011 2:14 PM
To: NT System Admin Issues
Subject: OT: MPLS Latency

We have a few sites on our MPLS network with Twtelecom.  Some of the have 
pretty good latency (<10ms for Phoenix to Las Vegas - all fiber to the 
building) to not so good latency (40ms Phoenix ->Reno Nevada - Dual T1s in 
Reno). I am seeing similar latency (38ms) from Phoenix to San Jose (another 
dual T1 on the San Jose side, but a fiber connection to my Phoenix side. My 
Phoenix to Albuquerue (all fiber again) is about 15ms. This is about the same 
distance as to the San Jose - but over double the latency.

Strict math (best case - line of site 2/3 speed of light calculations) say that 
my Reno line should be about 10ms. So, I double it for equipment and I still 
get 20ms. Less than half.

My question is what do you folks see out there? Do you see a higher latency on 
a T1 line than a fiber to the building line by that much of a difference?  Or, 
is there a routing issue that is creating delays?

Any feed back you can give would be helpful.
Thanks
Steven Stringham







________________________________

For more information about Lewis and Roca LLP, please go to 
www.lewisandroca.com<http://www.lewisandroca.com/>.
Phoenix (602)262-5311



Minden (775)586-9500

Tucson (520)622-2090



Albuquerque (505)764-5400

Las Vegas (702)949-8200



Silicon Valley (650)391-1380

Reno (775)823-2900




  This message is intended only for the use of the individual or entity to 
which it is addressed. If the reader of this message is not the intended 
recipient, or the employee or agent responsible for delivering the message to 
the intended recipient, you are hereby notified that any dissemination, 
distribution or copying of this message is strictly prohibited. If you have 
received this communication in error, please notify us immediately by replying 
to the sender of this E-Mail by return E-Mail or by telephone.

  In accordance with Internal Revenue Service Circular 230, we advise you that 
if this email contains any tax advice, such tax advice was not intended or 
written to be used, and it cannot be used, by any taxpayer for the purpose of 
avoiding penalties that may be imposed on the taxpayer.

~ Finally, powerful endpoint security that ISN'T a resource hog! ~
~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/>  ~

---
To manage subscriptions click here: 
http://lyris.sunbelt-software.com/read/my_forums/
or send an email to 
listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com>
with the body: unsubscribe ntsysadmin

.

~ Finally, powerful endpoint security that ISN'T a resource hog! ~
~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/>  ~

---
To manage subscriptions click here: 
http://lyris.sunbelt-software.com/read/my_forums/
or send an email to 
listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com>
with the body: unsubscribe ntsysadmin

~ Finally, powerful endpoint security that ISN'T a resource hog! ~
~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/>  ~

---
To manage subscriptions click here: 
http://lyris.sunbelt-software.com/read/my_forums/
or send an email to listmana...@lyris.sunbeltsoftware.com
with the body: unsubscribe ntsysadmin

Reply via email to