Nagle Algorithm

Configure TcpDelAckTicks (Optional)

Name: CodeWinOptimizer
Author: OscarDev

Fine-tune TCP delayed acknowledgment timing

Benefit

Further reduces acknowledgment delay for ultra-low latency

Impact

medium

Commands (1)

$nics = @(Get-NetAdapter -ErrorAction SilentlyContinue | Where-Object { $_.Status -eq 'Up' }); if ($nics.Count -eq 0) { Write-Host '[ERR] No active network adapters found'; return } foreach ($nic in $nics) { $nicPath = "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\$($nic.InterfaceGuid)"; if (-not (Test-Path $nicPath)) { Write-Host "[SKIP] $($nic.Name) - registry path missing"; continue } try { New-ItemProperty -Path $nicPath -Name "TcpDelAckTicks" -PropertyType DWord -Value 0 -Force -ErrorAction Stop | Out-Null; Write-Host "[OK] TcpDelAckTicks=0 on $($nic.Name) ($($nic.InterfaceGuid))" } catch { Write-Host "[ERR] $($nic.Name) - $($_.Exception.Message)" } }