The HP MSR4000 router series consists of high-performance routers for large branch offices that offer integrated functions for routing, switching, security, VPN, and SIP in one package. Thanks to the integrated infrastructure and modular design, the MSR4000 simplifies complex structures and your network, while enabling faster service delivery and improved performance. The MSR4000 enhances flexibility and agility with support for a variety of virtualized applications on the Open Application Platform module. Its distributed architecture and high reliability also strengthen the fault tolerance of large branch offices.