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Wanting to minimize latency as much as possible. Tips?

X

Xplaced

Junior Member
Right now, I have a wireless router and repeater setup. They are two WRT54GL units using DDWRT firmware.

Basically I want to minimize latency as much as possible on my local network. I'm currently using WEP security between the two points and any wireless clients.

I would go wired, but I have to use this wireless setup with the repeater right now. Going wired or connecting directly to the main router wirelessly isn't an option right now.

If anyone has any tips to minimize local network latency so that I know I'm good on my end before going out to the 'net, they would be much appreciated.

Thanks.
 
Not a lot you can do. Using a repeater really slows down the network and adds a lot of latency because it uses the same radio to transmit receive the frame twice. It really should be avoided at all costs.

The other options include forcing 802.11g mode only, no 802.11b and maybe getting a directional antenna to eliminate the repeater.
 
spidey07 said:
Not a lot you can do. Using a repeater really slows down the network and adds a lot of latency because it uses the same radio to transmit receive the frame twice. It really should be avoided at all costs.

The other options include forcing 802.11g mode only, no 802.11b and maybe getting a directional antenna to eliminate the repeater.
Click to expand...

I've read conflicting info on this. I've read the repeater cuts your network speed in half, but that isn't a big deal if I'm running at 20mbps instead of 40mbps. My internet connection is only 3mbps.

So how much latency is a repeater really going to add? If I run a ping test to a device that's connected directly to the router from a pc that's connected from behind the repeater, that latency is what I can expect, right? So if it's running, say, 20ms pings, then that really isn't too bad.

Is that 20ms ping added to the ping going from the router to the game server though? I'd think it would be. So if I get 80ms to the game server, and I'm getting 20ms going from pc to pc on my netork, I'm technically around 100ms, right?
 
Yes. But wireless is inherently bad for gaming because of all the retransmissions at the physical layer. Using a repeater just amplifies those problems. What really cause trouble for gaming isn't really latency, it's variable latency (jitter) which is notoriously bad on wireless.
 
spidey07 said:
Yes. But wireless is inherently bad for gaming because of all the retransmissions at the physical layer. Using a repeater just amplifies those problems. What really cause trouble for gaming isn't really latency, it's variable latency (jitter) which is notoriously bad on wireless.
Click to expand...

Great info, thanks. What is a good troubleshooting tool I can use to monitor my network for jitter, and just overall pertinent performance information? Any suggestions? I'm basically just testing with default commands right now like tracert, ping, etc. Nothing fancy at the moment.
 
spidey07 said:
Yes. But wireless is inherently bad for gaming because of all the retransmissions at the physical layer. Using a repeater just amplifies those problems. What really cause trouble for gaming isn't really latency, it's variable latency (jitter) which is notoriously bad on wireless.
Click to expand...

One more thing - I have the option of setting up the repeater as a wireless bridge instead. I'm not sure what the difference there would be. Would that help? I can easily connect both PS3 units to a wireless bridge.
 
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