The Cisco Cloud Services Router (CSR) 1000V is a single-tenant router in virtual form-factor that delivers comprehensive WAN gateway functionality to multi-tenant provider-hosted clouds. Using familiar, industry-leading Cisco IOS software networking capabilities, the CSR 1000V enables enterprises to transparently extend their Wide Area Networks into external provider-hosted clouds and cloud providers to offer enterprise-class networking services to their tenants.

Businesses, small and large, are increasingly vitalizing their data center infrastructures and applications, to save costs and become more agile. Many enterprises have started deploying IT applications in virtualized data centers that are built and managed by third-party service providers. These external data centers, known as provider hosted clouds, allow enterprises to gain infrastructure and resources on demand and become even more operationally efficient.

However, the shared-infrastructure shared-resource cloud environment poses networking and se