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2025-07-05 12:10:42 +03:00

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# Task 5
## Prerequisites
Ensure you have the following installed on your system:
- [libvirt](https://libvirt.org/) (latest version recommended)
- [Terraform](https://developer.hashicorp.com/terraform) (latest version recommended)
## Deploying environment
NOTE: You must have `libvirt` daemon running running
### Goto Terraform directory
```bash
cd terraform
```
### Create and edit dotenv file
```bash
cp .env.template .env
```
### Init Terraform
```bash
terraform init
```
### Start the environment
```bash
terraform apply
```
NOTE: Wait for several minutes until all required things will provided to the vms
## CheatSheet
### Commands for `client`
```bash
# For HTTP/1.1 (TCP)
curl server:80/<size>MB.file -o <size>MB.file
# For HTTP/2 (TCP)
curl --http2-prior-knowledge server:81/<size>MB.file -o <size>MB.file
# For HTTP/3 (UDP)
./curl --http3-only --insecure https://server:443/<size>MB.file -o <size>MB.file
# For TFTP (UDP)
tftp server -c get /var/www/<size>MB.file
```
### Merge `pcap` files
```bash
mergecap -w merged.pcap http1.1-bbr.pcapng http1.1-reno.pcapng http3.pcapng tftp.pcapng
```
### Change CC
```bash
sysctl net.ipv4.tcp_congestion_control=bbr|reno -w
```
### Change link profile
```bash
./scripts/change_profile
```
And follow the instructions