Today’s blog post discusses how VMware NSX can enable dynamic routing for VMware Integrated OpenStack (VIO) deployments. This article was written by Marcos Hernandez, one of the OpenStack specialists in VMware’s Networking & Security Business Unit (NSBU).
One of the main concerns that we hear from customers when explaining the native capabilities of OpenStack Neutron is its lack of dynamic routing support. This is especially serious when we consider that many Enterprises implementing OpenStack are not delegating IP subnetting to their tenants, but instead prefer to remain in control of the IP allocation, mainly due to the fact that their applications will often sit on routable IP address space. This is one of the assertions that both Wells Fargo and VMware will be presenting at the OpenStack Summit in Austin. There is also a comprehensive superuser article on the topic: Provider Networks vs Tenant Networks.
We can typically get away with just using static routing, but if a customer really wanted to use dynamic routing, Neutron does not currently offer native capabilities to do so. Continue reading