Blockchain-based Zero Touch Service Assurance in Cross-domain Network Slicing

Theodorou, Vasileios; Lekidis, Alexios; Bozios, Theodoros; Meth, Kalman; Fernández-Fernández, Adriana; Tavlor, James; Diogo, Pedro; Martins, Pedro; Behravesh, Rasoul

doi:10.1109/eucnc/6gsummit51104.2021.9482602

Cited by 15 publications

(13 citation statements)

References 12 publications

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“…In addition, Theodorou et al [11] proposed and evaluated a 5GZorro project which builds a cross-domain network slicing with an AI-drive closed-loop automation orchestration. Among the domains, the paper describes the usage of Distributed Ledger Technology (DLT) to support inter-domain SLA.…”

Section: Related Workmentioning

confidence: 99%

On Enhancing Network Slicing Life-Cycle Through an AI-Native Orchestration Architecture

Moreira

Martins

Carvalho

et al. 2023

Lecture Notes in Networks and Systems

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Legacy experimental network infrastructures can still host innovative services through novel network slicing orchestration architectures. Network slicing orchestration architectures available in state-of-the-art have building blocks that structurally change depending on the problem they are trying to solve. In these orchestrators, life-cycle functions of network slices experience advances on numerous fronts, such as combinatorial methods and Artificial Intelligence (AI). However, many of the state-of-the-art slicing architectures are not AI-native, making heterogeneity and the coexistence and use of machine learning paradigms for network slicing orchestration hard. Also, using AI in a non-native way makes network slice management a challenger and shallow. Hence, this paper proposes and evaluates a distributed AI-native slicing orchestration architecture that delivers machine learning capabilities in all life cycles of a network slice. Carried experiments suggest lower error using distributed machine learning models to predict Radio Access Network (RAN) resource consumption in slicing deployed over different target domains.

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Section: Related Workmentioning

confidence: 99%

On Enhancing Network Slicing Life-Cycle Through an AI-Native Orchestration Architecture

Moreira

Martins

Carvalho

et al. 2023

Lecture Notes in Networks and Systems

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“…Unlike previous solutions that deal with single-domain slicing challenges, the work in [252] proposes a zero-touch framework for the automated service assurance of cross-domain network slices, based on the use of Distributed Ledger Technologies (DLT) and AI-driven closed-loop automation techniques. Underpinned by a decentralized marketplace for infrastructure resources and network services sharing among multiple providers [257], this work employs trained AI prediction models to forecast violations of network slices' SLA [256], and consequently, it triggers proactive mitigation actions in the form of slice extensions over infrastructure resources available in the marketplace (which are programmatically enabled via smart contracts) together with the corresponding orchestration workflows.…”

Section: End-to-end Aspectsmentioning

confidence: 99%

Zero Touch Management: A Survey of Network Automation Solutions for 5G and 6G Networks

Coronado

Behravesh

Subramanya

et al. 2022

IEEE Commun. Surv. Tutorials

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Mobile networks are facing an unprecedented demand for high-speed connectivity originating from novel mobile applications and services and, in general, from the adoption curve of mobile devices. However, coping with the service requirements imposed by current and future applications and services is very difficult since mobile networks are becoming progressively more heterogeneous and more complex. In this context, a promising approach is the adoption of novel network automation solutions and, in particular, of zero-touch management techniques. In this work, we refer to zero-touch management as a fully autonomous network management solution with human oversight. This survey sits at the crossroad between zero-touch management and mobile and wireless network research, effectively bridging a gap in terms of literature review between the two domains. In this paper, we first provide a taxonomy of network management solutions. We then discuss the relevant state-of-the-art on autonomous mobile networks. The concept of zero-touch management and the associated standardization efforts are then introduced. The survey continues with a review of the most important technological enablers for zero-touch management. The network automation solutions from the RAN to the core network, including end-toend aspects such as security, are then surveyed. Finally, we close this article with the current challenges and research directions.

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“…Based on KP, other elements in the network receive services and advice about their role and operation. To deal with trust and reliability issues for entities which belong to different administrative domains, block-chain technology is adopted within the ZSM framework in [12].…”

Section: Related Workmentioning

confidence: 99%

ZSM-based Management and Orchestration of 3GPP Network Slicing: An Architectural Framework and Deployment Options

Sajjad¹,

Jayalath²,

Tian³

et al. 2022

Preprint

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Driven by closed-loop automation, the Zero-Touch Network and Services Management (ZSM) framework offers invigorating features for the end-to-end management and orchestration of a sliced network. Although ZSM is considered a promising framework by 3GPP, there is a lack of concrete ZSM-based solutions for the 3GPP Network Slicing management. This article presents an architectural framework of a ZSM-based management system for 3GPP Network Slicing. The proposed framework employs recursive ZSM management domains to meet the specific management requirements of the standard 3GPP Network Slicing framework. Two deployment options are considered for the presented framework. The first option features the integration of the standard services of the 3GPP Management System within ZSM. The other one considers ZSM as a complementary system for the standard 3GPP Management System. From these deployment options, some key questions are identified on ZSM's interoperability with the existing 3GPP Network Slicing systems. Finally, for each option, the architectural and operational feasibility of the ZSM interoperation with 3GPP Network Slicing systems is shown through an example use case.

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Blockchain-based Zero Touch Service Assurance in Cross-domain Network Slicing

Cited by 15 publications

References 12 publications

On Enhancing Network Slicing Life-Cycle Through an AI-Native Orchestration Architecture

On Enhancing Network Slicing Life-Cycle Through an AI-Native Orchestration Architecture

Zero Touch Management: A Survey of Network Automation Solutions for 5G and 6G Networks

ZSM-based Management and Orchestration of 3GPP Network Slicing: An Architectural Framework and Deployment Options

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