Microsoft Parsec Free/Teams Parsec Enterprise Transport TCP UDP UDP UDP Connectivity Reverse connect with MS RD gateway NAT traversal with MS STUN server NAT traversal with Parsec STUN server NAT traversal with Parsec STUN and self- hosted relay server Symmetric NAT support Yes No No Yes GPU required? No No Yes Yes Delay Fair Good Excellent Excellent File transfer Yes No USB devices Yes HID only Authentication Network Level Authentication (NLA) with host user account Emulates pysical sign-in ("shared" mode) with Parsec user account Azure Virtual Desktop で利用可能なリモートデスクトッププロトコルの比較 20 • 接続先がプライベートネットワークのVMであってもグローバルIPアドレスやVPNを使わず接続できる • Parsec Enterprise Plan (relay server 使用) の構成が最もパフォーマンスが高く接続性が高い