Tagged Questions
3
votes
1answer
223 views
different ACK behaviors (slowing down throughput?)
I'm running netio (http://freshmeat.net/projects/netio/) on one machine (opensolaris) and contacting two different Linux machines (both on 2.6.18-128.el5 ), machine A and machine B.
Machine A has a ...
3
votes
7answers
3k views
Latency in TCP/IP-over-Ethernet networks
What resources (books, Web pages etc) would you recommend that:
explain the causes of latency in TCP/IP-over-Ethernet networks;
mention tools for looking out for things that cause latency (e.g. ...
1
vote
2answers
1k views
use of tcp_delack_min on redhat linux (kernel 2.6.18)
we're moving from Solaris to Redhat Linux, and trying to duplicate our low-latency setup, that, on solaris, includes the ndd settings related to TCP NO DELAY, and NAGLE ALGORITHM.
I got the impression ...
0
votes
4answers
134 views
Is asymmetric latency common in practice?
This is a follow-on to a question posted on stack overflow about whether it is possible to determine the one-way latency of a point to point connection without using externally synchronized clocks - ...
0
votes
6answers
1k views
Why am I getting long TCP connect latency on connect in a LAN (over a cross!)?
I am measuring a time of about 100-150 milliseconds from sending TCP SYN to getting SYN/ACK, between two linux computers connected to the same Cisco switch.
Consider:
The machines are very powerful, ...
