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EVDO Performance Enhancement Guide

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mattengland
EVDO User


Joined: 03 Oct 2005
Posts: 54
Location: Chicago, IL USA

PostPosted: Tue Jun 26, 2007 4:36 pm    Post subject: EVDO Performance Enhancement Guide Reply with quote

Here's a first attempt at an EVDO performance-enhancement guide--I've attempted to make it applicable to both Sprint and Verizon, but don't have any Verizon-specific info as of yet. Some references I see thus far that seem to apply:

Applicable to both Verizon EVDO and Sprint EVDO:Sprint-EVDO specific:
I encourage others to add their tips and even more people to validate any supplied suggestions. If I can get to it, I'll try to update this "top" post with the validated suggestions.

Details:

fyi, I'm doing this mostly because my Sprint EVDO performance seems about 1/3 of other posters, and I'm trying to figure out why; I suspect that local-cell-tower-resource contention has something to do with it, but I'm hoping there's more that I can do about it then just use my evdo card at a different time or place. I suspect someone can point me to a "here's why performance can vary by location and time" post--is such a thing exists, please update this thread.

-Matt


Last edited by mattengland on Wed Jun 27, 2007 1:03 pm; edited 10 times in total
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Joe C
EVDO User


Joined: 05 Dec 2006
Posts: 76

PostPosted: Tue Jun 26, 2007 4:51 pm    Post subject: Reply with quote

I'll be the first to say ALL three of those "tips" do in fact work very well. My speeds were notably increased.
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mattengland
EVDO User


Joined: 03 Oct 2005
Posts: 54
Location: Chicago, IL USA

PostPosted: Tue Jun 26, 2007 5:33 pm    Post subject: Reply with quote

If anyone can answer these 2 questions, we can potentially add some more info to this guide:
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mattengland
EVDO User


Joined: 03 Oct 2005
Posts: 54
Location: Chicago, IL USA

PostPosted: Tue Jun 26, 2007 5:52 pm    Post subject: Reply with quote

fyi, I just increased the TCP receivece window size and have doubled the download bandwidth in the vast majority of my tests (I was hovering around 300-400kbps originally, now I'm routinely seeing 600-900kbps according to http://gambitdesign.com/bandwidthmeter/ ).

I'm still waiting for 3gstore.com to give me my "master lock code" or "MLS code" so I can try a different Home Agent. I also have a booster antenna on order.
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Michael
Site Admin


Joined: 13 Jan 2005
Posts: 6206
Location: Cary, IL

PostPosted: Tue Jun 26, 2007 5:58 pm    Post subject: Reply with quote

Here is one that might not help with speeds, BUT when Sprint DNS is slow, I have found that this DNS really helps a lot and in fact, the only DNS I use now:

OpenDNS Speeds Up Mobile Broadband : EVDOinfo.com
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mattengland
EVDO User


Joined: 03 Oct 2005
Posts: 54
Location: Chicago, IL USA

PostPosted: Tue Jun 26, 2007 6:10 pm    Post subject: Reply with quote

Michael wrote:
Here is one that might not help with speeds, BUT when Sprint DNS is slow, I have found that this DNS really helps a lot and in fact, the only DNS I use now:

OpenDNS Speeds Up Mobile Broadband : EVDOinfo.com


Excellent, I've added the reference in the top post (and also made the thread a little more usable for Verizon users), and may be using these DNS servers in general as well for my other network interfaces (because my current DNS servers seem to lag quite a bit).

An aside: The folks at OpenDNS (judging solely by their website) seem to have their stuff together; any idea what they get out of it? Advertising revenue, some brand benefit, etc? Otherwise, is there a place where one can donate to this service for their good work/service?
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mattengland
EVDO User


Joined: 03 Oct 2005
Posts: 54
Location: Chicago, IL USA

PostPosted: Tue Jun 26, 2007 6:37 pm    Post subject: Reply with quote

mattengland wrote:
An aside: The folks at OpenDNS (judging solely by their website) seem to have their stuff together; any idea what they get out of it? Advertising revenue, some brand benefit, etc? Otherwise, is there a place where one can donate to this service for their good work/service?

From OpenDNS' FAQ:
Quote:
How does OpenDNS make money?

OpenDNS makes money by offering clearly labeled advertisements alongside organic search results when the domain entered is not valid and not a typo we can fix. OpenDNS will provide additional services on top of its enhanced DNS service, and some of them may cost money. Speedy, reliable DNS will always be free.

I find that to be a pretty interesting business model. And I also am no longer worried about using their service for free without donating. Wink
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mattengland
EVDO User


Joined: 03 Oct 2005
Posts: 54
Location: Chicago, IL USA

PostPosted: Tue Jun 26, 2007 6:48 pm    Post subject: Reply with quote

Additionally, this post troubles me:

A report about a firmware and connection-manager upgrade slowing performance

I've replied to the thread asking the poster to provide some additional info, but I have yet to hear anything.

In any case, the basic question that arises: are more-recent device-firmware or connection-manager-software versions potentially contributing to decreases in EVDO performance?
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J_Walker
EVDO Heavy User


Joined: 07 Mar 2007
Posts: 117

PostPosted: Fri Jul 06, 2007 8:00 pm    Post subject: Reply with quote

mattengland wrote:
mattengland wrote:
An aside: The folks at OpenDNS (judging solely by their website) seem to have their stuff together; any idea what they get out of it? Advertising revenue, some brand benefit, etc? Otherwise, is there a place where one can donate to this service for their good work/service?

From OpenDNS' FAQ:
Quote:
How does OpenDNS make money?

OpenDNS makes money by offering clearly labeled advertisements alongside organic search results when the domain entered is not valid and not a typo we can fix. OpenDNS will provide additional services on top of its enhanced DNS service, and some of them may cost money. Speedy, reliable DNS will always be free.

I find that to be a pretty interesting business model. And I also am no longer worried about using their service for free without donating. Wink


There are plenty of other DNS servers you can use for free that don't redirect you to ad/search pages. I've never quite understood the infatuation with OpenDNS.

I personally use 4.2.2.1 and 4.2.2.2, mainly because I can pull them from my memory, and they've always worked without issue.
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nullie
EVDO Newbie


Joined: 14 Jul 2007
Posts: 9

PostPosted: Sun Jul 15, 2007 3:54 pm    Post subject: Reply with quote

Agreed with the last poster, 4.2.2.1/2/3/4/5/6 are the way to go. Easy to remember and always reliable. They use ANYCAST, which is a feature similar to 'round robin' DNS configurations but for IPs. None of the IPs address a single machine or location. You will instead get whichever is closest. I believe they are owned and operated by Level3/Verizon.
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mattengland
EVDO User


Joined: 03 Oct 2005
Posts: 54
Location: Chicago, IL USA

PostPosted: Wed Jul 18, 2007 10:35 am    Post subject: Reply with quote

nullie wrote:
Agreed with the last poster, 4.2.2.1/2/3/4/5/6 are the way to go. Easy to remember and always reliable. They use ANYCAST, which is a feature similar to 'round robin' DNS configurations but for IPs. None of the IPs address a single machine or location. You will instead get whichever is closest. I believe they are owned and operated by Level3/Verizon.

Excellent. Can anyone confirm the ownership of these IPs, provide references to their support, etc? I'd like to know before I start using their dns service in the future (for possibly many networks/machines).
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almoinco
EVDO Newbie


Joined: 26 Oct 2007
Posts: 5
Location: On the road

PostPosted: Fri Nov 09, 2007 8:35 am    Post subject: Reply with quote

According to whois.arin.net:

OrgName: Level 3 Communications, Inc.
OrgID: LVLT
Address: 1025 Eldorado Blvd.
City: Broomfield
StateProv: CO
PostalCode: 80021
Country: US

NetRange: 4.0.0.0 - 4.255.255.255
CIDR: 4.0.0.0/8
NetName: LVLT-ORG-4-8
NetHandle: NET-4-0-0-0-1
Parent:
NetType: Direct Allocation
NameServer: NS1.LEVEL3.NET
NameServer: NS2.LEVEL3.NET
Comment:
RegDate:
Updated: 2004-06-04
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pismo
EVDO User


Joined: 27 Aug 2005
Posts: 88
Location: Los Angeles

PostPosted: Fri Nov 09, 2007 2:36 pm    Post subject: Reply with quote

nullie wrote:
Agreed with the last poster, 4.2.2.1/2/3/4/5/6 are the way to go. Easy to remember and always reliable. They use ANYCAST, which is a feature similar to 'round robin' DNS configurations but for IPs. None of the IPs address a single machine or location. You will instead get whichever is closest. I believe they are owned and operated by Level3/Verizon.


i have used 4.2.2.1-3 for several years and it works well and easy to remember..
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ebiz
EVDO Junkie


Joined: 25 Oct 2006
Posts: 416
Location: Reno, NV

PostPosted: Fri Nov 09, 2007 10:51 pm    Post subject: Reply with quote

I tried OpenDNS for 3 months and find 4.2.2.1-6 is much better. OpenDNS tries to mother you too much by doing adult site blocking. Unfortunately, it blocks half the videos on Metacafe.com, which are not porn. For instance, it blocked this splendid exercise video,
www.metacafe.com/watch/871982/la_cubanita_bailando_reggaeton_el_meneo

I too strongly recommend 4.2.2.1-6
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Jim_in_VA
EVDO Addict


Joined: 09 Apr 2007
Posts: 1066
Location: On the Chesapeake Bay, Virginia

PostPosted: Sat Nov 10, 2007 7:37 am    Post subject: Reply with quote

LOL...."exercise video"
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