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2018-12-21 12:34:05 +0000 received badge  Necromancer (source)
2018-12-21 07:56:52 +0000 edited answer How to determine throughput/bandwidth from a capture (as used in TCP window scaling)

Your throughput limitation isn’t related to Receive Window sizes (or network bandwidth limits). It is entirely limited

2018-12-21 07:49:44 +0000 answered a question How to determine throughput/bandwidth from a capture (as used in TCP window scaling)

Your throughput limitation isn’t related to Receive Window sizes (or network bandwidth limits). It is entirely limited

2018-12-11 07:58:08 +0000 edited answer Excessive TCP Dup ACK and TCP Retransmissions

There's a very consistent regularity to the way the packets flow from the client to the server. A particular pattern is

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2018-12-07 08:27:55 +0000 commented answer TCP Slow Start Graph

I created four Tweets containing charts (not created with Wireshark though). They might help to clarify the TCP and pac

2018-12-07 06:45:35 +0000 commented answer TCP Slow Start Graph

You are sending packets into your router at local LAN speed but the router can only send them to the Internet at 1 Mbps.

2018-12-07 06:44:50 +0000 commented answer TCP Slow Start Graph

You are sending packets into your router at local LAN speed but the router can only send them to the Internet at 1 Mbps.

2018-12-07 06:44:17 +0000 commented answer TCP Slow Start Graph

You are sending packets into your router at local LAN speed but the router can only send them to the Internet at 1 Mbps.

2018-12-07 05:39:11 +0000 received badge  Editor (source)
2018-12-07 05:39:11 +0000 edited answer Excessive TCP Dup ACK and TCP Retransmissions

There's a very consistent regularity to the way the packets flow from the client to the server. A particular pattern is

2018-12-07 05:34:35 +0000 received badge  Rapid Responder (source)
2018-12-07 05:34:35 +0000 answered a question Excessive TCP Dup ACK and TCP Retransmissions

There's a very consistent regularity to the way the packets flow from the client to the server. A particular pattern is

2018-12-07 04:38:14 +0000 commented question Excessive TCP Dup ACK and TCP Retransmissions

The 3-way handshake in the sender capture tells us that the AIX sender doesn't support SACK. It's possible that SACKs m

2018-12-07 03:11:13 +0000 commented question Excessive TCP Dup ACK and TCP Retransmissions

The 3-way handshake in the sender capture tells us that the AIX sender doesn't support SACK. However, SACKs may not hel

2018-12-06 08:03:25 +0000 commented answer TCP Slow Start Graph

This is great example of a downstream bottleneck (1 Mbps) with a limited buffer queue (roughly 100 KB). As the packets

2018-12-06 07:58:19 +0000 commented answer TCP Slow Start Graph

This is great example of a downstream bottleneck (1 Mbps) with a limited buffer queue (roughly 100 KB). As the packets

2018-12-06 07:27:06 +0000 commented answer TCP is limiting the use of bandwidth

You may be right @Christian_R, but the more I look at these trace files, the more I'm convinced that it is an applicatio

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2018-12-03 05:46:26 +0000 commented answer TCP is limiting the use of bandwidth

There are a few interesting items in these captures - but in terms of the overall throughput, it does seem that the limi

2018-12-03 05:32:48 +0000 commented answer TCP is limiting the use of bandwidth

There are a few interesting items in these captures - but in terms of the overall throughput, it does seem that the limi

2018-10-12 08:45:17 +0000 commented question Troubleshoot slow TCP Throughput in L2MPLS Link

Yes, your capture configuration is only catching half of the packets, that is, only catching packets from one side of th

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