Multiservice-based Network Slicing Orchestration with Impatient Tenants
Bin Han, Vincenzo Sciancalepore, Xavier Costa-Perez, Di Feng, and Hans, D. Schotten

TL;DR
This paper investigates the challenge of managing network slice requests in 5G multi-tenant infrastructures, proposing models and strategies to optimize admission control considering tenant impatience and information sharing.
Contribution
It introduces a multi-queuing system model for heterogeneous tenant requests, analyzes tenant impatience behavior, and demonstrates the benefits of information sharing for slice admission optimization.
Findings
Proposed a Markovian approximation of the SlaaS system.
Demonstrated performance improvements with information sharing.
Provided a utility model for admission control optimization.
Abstract
The combination of recent emerging technologies such as network function virtualization (NFV) and network programmability (SDN) gave birth to the novel Network Slicing paradigm. 5G networks consist of multi-tenant infrastructures capable of offering leased network "slices" to new customers (e.g., vertical industries) enabling a new telecom business model: Slice-as-a-Service (SlaaS). However, as the service demand gets increasingly dense, slice requests congestion may occur leading to undesired waiting periods. This may turn into impatient tenant behaviors that increase potential loss of the business attractiveness to customers. In this paper, we aim to i study the slicing admission control problem by means of a multi-queuing system for heterogeneous tenant requests, ii) derive its statistical behavior model, iii) find out the rational strategy of impatient tenants waiting in queue-based…
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