A Flexible Interpreter For Intent Realisation

McNamara, Joseph; Aumayr, Erik; Fallon, Liam; Fallon, Enda

doi:10.1109/noms54207.2022.9789910

Cited by 5 publications

(3 citation statements)

References 19 publications

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“…an NSI/NSSI) in a form of declarative statements 18 regarding its characteristics or desired state. Depending on the advancement of an intent-based system implementation (among others, capabilities of its interpreter [125]), an intent may express high-level, customer perspective requirements to be satisfied by the managed object, and/or it may target lower-level details of its structure 19 , e.g. expect certain topology or utilization of specific functions with particular configurations, protocols, etc.…”

Section: ) Declarative Stylementioning

confidence: 99%

Comprehensive Tutorial on the Organization of a Standards-Aligned Network Slice/Subnet Design Process and Opportunities for Its Automation

Wyszkowski,

Kienig,

Zieliński

et al. 2024

IEEE Commun. Surv. Tutorials

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Building complex entities like Network Slices and their Subnets requires proper models and methods to allow their convenient design and deployment. Despite significant progress in the standardization of the basic Network Slicing concepts, for many it still remains unclear how to organize a Network Slice/ Subnet design process that would be aligned to the currently standardized, declarative style of their provisioning. How to reflect the high-level, abstract service requirements into a technical description of a Network Slice/Subnet capable of fulfilling them?In what form should such a description be provided? What details should it cover and how to conduct a design process leading to the production of a concretized description of the desired Network Slice Instance (NSI) and/or Network Slice Subnet Instance (NSSI)? Unfortunately, the current standardization scope does not cover these challenging design-time aspects, leaving the telco community without clear guidelines in this complicated area. Also, the state-of-the-art research does not tackle the corresponding challenges in a generic and holistic way. We contribute to fill in this void by complementing the up-to-date standards with original concepts and systematizations compiled into a comprehensive tutorial on the Network Slicing design-time aspects. To this end, we deliver a broad study of the evolution of Network Slice/Subnet provisioning approaches and offering modes, explaining their impact on the design phase. Next, we provide a generic taxonomy of building blocks out of which an NSI/NSSI may be designed, followed by proposing precise definitions of the design process and its expected outcomes. Then, by elaborating on those definitions, we explain, in a technology-agnostic manner, the activities comprising the design process and the results it shall produce. Based on these fundamentals, we describe the opportunities for automating the design process, essential to support the declarative provisioning style and to offer the "dynamic slicing" capabilities by the Slicing orchestrators. All of the elaborated systematizations and concepts are vendor-agnostic and fully standards-aligned which makes them practically usable in a wide range of solutions.

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Section: ) Declarative Stylementioning

confidence: 99%

Comprehensive Tutorial on the Organization of a Standards-Aligned Network Slice/Subnet Design Process and Opportunities for Its Automation

Wyszkowski,

Kienig,

Zieliński

et al. 2024

IEEE Commun. Surv. Tutorials

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“…APEX was initially published in [29] and was later adopted as a Policy Decision Point (PDP) in the Open Network Automation Platform 2 . Our previous work in [30] provides the core NLP-based interpretation mechanism for the Intent Engine.…”

Section: A Intent Enginementioning

confidence: 99%

“…Information from this model also informs the dynamic building of the interface to allow communication between the Intent Engine and the target component as a result of the processed intent. A detailed description and evaluation of our matching engine can be found in [30].…”

Section: ) Intent Matching Enginementioning

confidence: 99%

NLP Powered Intent Based Network Management for Private 5G Networks

et al. 2023

Self Cite

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Intent driven networking holds the promise of simplifying network operations by allowing operators to use declarative, instead of imperative, interfaces. Adoption of this technology for 5G and beyond networks is however still in its infancy, where the required architectures, platforms, interfaces and algorithms are still being discussed. In this work, we present the design and implementation of a novel intent based platform for private 5G networks powered by a Natural Language Processing (NLP) interface. We demonstrate how our platform simplifies network operations in three relevant private network use cases, including: i) an intent based slice provisioning use case, ii) an intent based positioning use case, and iii) an intent based service deployment use case. Finally, all use cases are benchmarked in terms of intent provisioning time.

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