A Network Slice Resource Allocation Process in 5G Mobile Networks

摘要

The fifth generation of mobile networks(5G)is associated with a wide spectrum of novel use cases that introduce a large number of very diverse requirements, regarding for instance throughput, latency, delay, availability and reliability. End-to-end network slicing is seen as a solution that allows to simultaneously accomplish those manifold requirements in isolated slices running on a shared network infrastructure. However, embedding those virtual end-to-end network slices into a common physical network containing wireless as well as wired network elements, while meeting all the different requirements, is still an unsolved problem. In this paper, a vision of an end-to-end network slice resource allocation process will be presented allowing to give fast feedback to a network operator or tenant on the feasibility of embedding new network slices. The associated research challenges will be discussed, especially focusing on the more complex Radio Access Network(RAN)resource allocation.