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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Vydáno v:2016 IEEE NetSoft Conference and Workshops (NetSoft) s. 251 - 259
Hlavní autoři: Xuejun Cai, John, Wolfgang, Meirosu, Catalin
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.06.2016
Témata:
Cloud computing
Computer architecture
Database languages
Engines
Measurement
Monitoring
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Shrnutí: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.
DOI:10.1109/NETSOFT.2016.7502420