Recursively querying monitoring data in NFV environments

In Network Function Virtualization (NFV), a network service is created by combining interconnected virtual network functions (VNF), which may include nested VNFs or end points. Querying the performance of a high-level, abstract network service is challenging due to the recursivity of the NFV archite...

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Published in:2016 IEEE NetSoft Conference and Workshops (NetSoft) pp. 251 - 259
Main Authors: Xuejun Cai, John, Wolfgang, Meirosu, Catalin
Format: Conference Proceeding
Language:English
Published: IEEE 01.06.2016
Subjects:
Cloud computing
Computer architecture
Database languages
Engines
Measurement
Monitoring
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Abstract In Network Function Virtualization (NFV), a network service is created by combining interconnected virtual network functions (VNF), which may include nested VNFs or end points. Querying the performance of a high-level, abstract network service is challenging due to the recursivity of the NFV architecture and the elasticity and dynamicity provided by the NFV infrastructure, typically realized by Cloud virtualization technologies. In this paper, we propose to use Datalog, a declarative logic programming language, to build a query engine which can provide recursive query capabilities on performance metrics of network services. We present the language and describe some example use cases for both compute and network metrics. We describe the design of a query engine utilizing the language, based on which we implemented a proof of concept system. The resulting experimental system has shown the effectiveness of the query language to recursively retrieve monitoring results of NFV environments.
AbstractList In Network Function Virtualization (NFV), a network service is created by combining interconnected virtual network functions (VNF), which may include nested VNFs or end points. Querying the performance of a high-level, abstract network service is challenging due to the recursivity of the NFV architecture and the elasticity and dynamicity provided by the NFV infrastructure, typically realized by Cloud virtualization technologies. In this paper, we propose to use Datalog, a declarative logic programming language, to build a query engine which can provide recursive query capabilities on performance metrics of network services. We present the language and describe some example use cases for both compute and network metrics. We describe the design of a query engine utilizing the language, based on which we implemented a proof of concept system. The resulting experimental system has shown the effectiveness of the query language to recursively retrieve monitoring results of NFV environments.
Author John, Wolfgang
Xuejun Cai
Meirosu, Catalin
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  email: catalin.meirosu@ericsson.com
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Snippet In Network Function Virtualization (NFV), a network service is created by combining interconnected virtual network functions (VNF), which may include nested...
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StartPage 251
SubjectTerms Cloud computing
Computer architecture
Database languages
Engines
Measurement
Monitoring
Title Recursively querying monitoring data in NFV environments
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