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network-programmingping
Christoph
Christoph

Reputation: 606

How much Latency is caused by one Router?

I don't know if this question is good to be posted on this site. If not, I'm sorry. I coulnd't find any answer to it though...

Are there any results available stating how much latency is, in average, introduced by a router? So for example in Lan: PC1 -> Router -> PC2. Or over the net: PC1 -> Router1 ...... -> Server.

For example, in my LAN: I'm pinging my Desktop from Smartphone. It takes about 6ms each. So, can i say that every router needs about 6ms (substracted the time the network cards need)? Because the distance is... well, 5 meters.

Would the ping time be less if i would do it over an ad hoc network?

Every information is very much appreciated. Thanks!

Upvotes: 0

Views: 1674

Answers (1)

LordNeo
LordNeo

Reputation: 1182

It mostly depends on both hardware.

Ping your router, then ping another computer on the network, that will tell you an average on how much it COULD take.

The specific depends on the circumstances. I'm on WiFi pinging one of my servers on the LAN and I get 1ms to the server and 1ms to the router.

That will greatly differ if the router is low end or has to route a lot of traffic (QOS).

So, you need to consider:

  • How much time will take the router to find the appropriate route.
  • How much time will take to the interface to execute that route.
  • How much time will take to the other end to respond to that petition.

Upvotes: 2

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