Online VNF Placement and Chaining for Value-added Services in Content Delivery Networks
Online VNF Placement and Chaining for Value-added Services in Content Delivery Networks
Value-added Services (VASs) (e.g. dynamic site acceleration, media management) play a critical role in Content Delivery Networks (CDNs). Network Functions Virtualization (NFV) enables the agile provisioning of VASs. In NFV settings, VASs are provisioned as ordered sets of Virtual Network Functions (VNFs), forming VNF-Forwarding Graphs (VNF-FG) which are deployed in …