The Sailan SJY series are firewall VPN products designed for large network environments, specifically tailored for telecom backbone exchange networks, internet content providers (ICP), campus backbone networks, and large enterprises. The SJY firewall VPN adopts a dedicated security processing chip (ASIC), a low-power embedded CPU, and an integrated security system architecture with proprietary operating system SNOS, comprehensively enhancing the performance of firewall products in all aspects. The powerful dedicated security processing chip (ASIC) allows each network port of the firewall to easily achieve 100% full-duplex throughput with 64-byte data packets. Professional traffic control technology effectively reduces bandwidth peaks, cutting down on huge expenses associated with internet access, while the efficient and stable VPN technology ensures stable data transmission over device links.