misc | doc, install iperf

Resources.md

@@ -56,3 +56,8 @@ The map changes dynamically according to the CPU bitmask to /sys/class/net/<dev>
 https://garycplin.blogspot.com/2017/06/linux-network-scaling-receives-packets.html
 
 Disable irqbalance ?
+
+
+### Facebook Katran
+
+https://github.com/facebookincubator/katran/issues/158

exp-setup/aws/README.md

@@ -10,13 +10,20 @@
 Select from the following supported instance types: 
 C3, C4, D2, I2, M4 (excluding m4.16xlarge), and R3.
 
+* Use specialised instance for network optimization 
+
 
-c5.4xlarge - 0.744 - 10Gbps
 **c5n.2xlarge - 0.472 - 25Gbps**
+
+
 c5n.large 
+n – Network optimization
 
 
 ## Resources
 
 [AWS Enhanced Networking](https://aws.amazon.com/premiumsupport/knowledge-center/enable-configure-enhanced-networking/)
 
+[AWS Placement group](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html)
+
+[XDP on AWS](https://trying2adult.com/what-is-xdp-and-how-do-you-use-it-in-linux-amazon-ec2-example/)

exp-setup/aws/bench/baseline.md

@@ -0,0 +1,27 @@
+# Baseline speed
+
+iperf3
+
+```bash
+ubuntu@tRex:/opt/trex/v3.00$ iperf3 -s -p 8001
+[ 24]   0.00-60.01  sec   674 MBytes  94.2 Mbits/sec                  receiver
+[SUM]   0.00-60.01  sec  6.70 GBytes   958 Mbits/sec                  receiver
+-----------------------------------------------------------
+Server listening on 8001
+-----------------------------------------------------------
+```
+
+```bash
+ubuntu@xdp-DUT:~/linux-aws-5.15.0$ iperf3 -c 10.0.1.37 -P 10 -i 1 -t 60 -V -p 8001
+...
+[SUM]   0.00-60.00  sec  6.70 GBytes   960 Mbits/sec  7769             sender
+[SUM]   0.00-60.01  sec  6.70 GBytes   958 Mbits/sec                  receiver
+CPU Utilization: local/sender 5.3% (0.3%u/5.0%s), remote/receiver 11.2% (2.0%u/9.1%s)
+snd_tcp_congestion cubic
+rcv_tcp_congestion cubic
+
+iperf Done.
+```
+
+t2.micro 
+TCP ~1Gbps

exp-setup/scripts/install-tools.sh

@@ -8,4 +8,7 @@ sudo DEBIAN_FRONTEND=noninteractive apt-get install -y net-tools
 sudo DEBIAN_FRONTEND=noninteractive apt-get install -y conntrack
 
 # mpstat : To measure CPU usage
-sudo DEBIAN_FRONTEND=noninteractive apt-get install -y sysstat
+sudo DEBIAN_FRONTEND=noninteractive apt-get install -y sysstat
+
+# iperf3 : To measure baseline band width
+sudo DEBIAN_FRONTEND=noninteractive apt-get install -y iperf3

exp-setup/scripts/install-trex.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# set hostname
+# hostname tRex
+
 # run as root
 # create trex dir
 mkdir -p /opt/trex