requirements of future services by instantiating these services as service chains, commonly
referred to as Service Function Chains (SFCs), that are customized and configured to meet
specific service requirements. However, due to the limited footprint of the Infrastructure
Providers (InPs), these SFCs may have to transcend multiple InPs/domains. In this regard,
determining the optimal set of InPs in which to embed the SFC request emerges as a …