Whats a realistic speed peak hours?

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HeadRusch
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Posts: 21
Joined: Wed Aug 15, 2001 9:59 pm

Whats a realistic speed peak hours?

Post by HeadRusch »

I did some tweakig and on one download test last night about 10:30 I hit 650K, although that dropped down towards the last minute of the download.

Tonite I can only get about 350 on that same download..I've tried a few changes of the Rwin value....currently have it at 373360, but last nights settings were at 296000 or something like that.

I noticed my ping times in online gaming went up...used to get 30-50 pings on average gaming, or is the net just super congested tonite?...tonite pings are in the 80-120 range....yukk! And packet loss is happening.

I guess the higher you set that RWIN value, the more problems you get sending low overhead stuff like data packets for an online game???

Is there a healthy medium?

Finally........are there folks out there on cable getting 800K sustained transferes at peak hours, or is that really only a rare occasion on a super fast server.....ie: is there a benchmark? Tonite the net seems very slow......right now (10:12 pm east coast) I'm downloading a huge game demo (197 megs) from happypuppy and its at 290K right now...its going up every second but slowly...1 or 2 K at a time.....but my Rwin settings on the speed checker that Lobo helped me with yesterday show my system shouldn't be a bottleneck until I hit the 1meg barrier...

Just curious about whats average.........heck, I used to think 220K sustained was unreal on my cable modem........until someone said "Uh, 500K should be average".....????

Help......I just want to know whats realistic...oh, and just for laughs...
MTU = 1500
MTU is fully optimized for broadband.

MSS = 1460
Maximum useful data in each packet = 1460, which is equal to MSS.

Default Receive Window (RWIN) = 373360
RWIN Scaling (RFC1323) = 3 bits
Unscaled Receive Window = 46670
For optimum performance, consider changing RWIN to a multiple of MSS.
Other values for RWIN that might work well with your current MTU/MSS:
513920 (MSS x 44 * scale factor of 8)
256960 (MSS x 44 * scale factor of 4)
128480 (MSS x 44 * scale factor of 2)
64240 (MSS x 44)

bandwidth * delay product:
Your RcvWindow limits you to: 14934.4 kbps (1866.8 KBytes/s) @ 200ms
Your RcvWindow limits you to: 5973.76 kbps (746.72 KBytes/s) @ 500ms

MTU Discovery (RFC1191) = ON

Time to live left = 51 hops
TTL value is ok.

Timestamps (RFC1323) = OFF

Selective Acknowledgements (RFC2018) = ON
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Lobo
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Location: Panama City, FL and a FAN of Dale Earnhardt Jr. Bud Chevy & NASCAR , and the Atlanta Braves

Post by Lobo »

1st Thursday night is slowest night of week, 2 that is not a RWIN I gave you, and 3 peek hours is not the time for speed :)
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Lobo
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Posts: 17660
Joined: Thu Nov 23, 2000 2:32 pm
Location: Panama City, FL and a FAN of Dale Earnhardt Jr. Bud Chevy & NASCAR , and the Atlanta Braves

Post by Lobo »

I wouldn't play with it until you know what you are doing, to get back what you had last night, bring up Cablenuts adjuster, click on file, fast cable, save to registry at bottom and reboot, run defrag and nothing can be running during speed test, don't go around downloading all these speed patches as they are slowing you down, do some reading :) :) :) :)


What you had last night is here :)
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