The document is a datasheet describing the Juniper Networks SRX3400 and SRX3600 Services Gateways. The SRX3400 and SRX3600 are next-generation security platforms that deliver high performance and scalability through a modular design. They are suited for securing enterprise, public sector, and service provider networks. The platforms use flexible processing cards and I/O cards to scale performance and ports based on network requirements.