SDSN@RT - A middleware environment for single-instance multitenant cloud applications

Indika Kumara (Corresponding author), Jun Han, Alan Colman, Willem-Jan van den Heuvel, Damian A. Tamburri, Malinda Kapuruge

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

4 Citaten (Scopus)

Samenvatting

With the single‐instance multitenancy (SIMT) model for composite Software‐as‐a‐Service (SaaS) applications, a single composite application instance can host multiple tenants, yielding the benefits of better service and resource utilization and reduced operational cost for the SaaS provider. An SIMT application needs to share services and their aggregation (the application) among its tenants while supporting variations in the functional and performance requirements of the tenants. The SaaS provider requires a middleware environment that can deploy, enact, and manage a designed SIMT application, to achieve the varied requirements of the different tenants in a controlled manner. This paper presents the SDSN@RT (software‐defined service networks at runtime) middleware environment that can meet the aforementioned requirements. SDSN@RT represents an SIMT composite cloud application as a multitenant service network, where the same service network simultaneously hosts a set of virtual service networks, one for each tenant. A service network connects a set of services and coordinates the interactions between them. A virtual service network realizes the requirements for a specific tenant and can be deployed, configured, and logically isolated in the service network at runtime. SDSN@RT also supports the monitoring and runtime changes of the deployed multitenant service networks. We show the feasibility of SDSN@RT with a prototype implementation and demonstrate its capabilities to host SIMT applications and support their changes with a case study. The performance study of the prototype implementation shows that the runtime capabilities of our middleware incur little overhead.
Originele taal-2Engels
Pagina's (van-tot)813-839
Aantal pagina's27
TijdschriftSoftware : Practice and Experience
Volume49
Nummer van het tijdschrift5
DOI's
StatusGepubliceerd - mei 2019

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