XS Boston 2008 XenLoop

Xenloop is a high-performance inter-VM network loopback system designed to enhance communication between co-located virtual machines (VMs) in a Xen environment. It facilitates direct traffic exchange through inter-domain shared memory without requiring modifications to applications, and offers features such as automatic discovery and migration transparency. The document outlines the motivation for its development, its architecture, and ongoing and future enhancements to improve performance and compatibility.