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2017 | OriginalPaper | Buchkapitel

Middleware for Dynamic Upgrade Activation and Compensations in Multi-tenant SaaS

verfasst von : Dimitri Van Landuyt, Fatih Gey, Eddy Truyen, Wouter Joosen

Erschienen in: Service-Oriented Computing

Verlag: Springer International Publishing

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Abstract

Multi-tenant Software as a Service (SaaS) is the cloud computing delivery model that maximizes resource sharing up to the level of a single application instance, servicing many customer organizations (tenants) at once. Due to this scale of delivery, a SaaS offering, once successful, becomes difficult to upgrade and evolve without affecting service continuity, and this in turn limits its capabilities to respond to the reality of changing customer requirements.

However, not all tenants are equal, and to some organizations such disruptions are more costly than to others. Supporting different quality trade-offs for different tenants is often a manual, error-prone task and far from trivial.

This short paper outlines our middleware design for fine-grained, gradual and continuous evolution of multi-tenant SaaS applications, providing automated and systematic support for (i) tenant-aware upgrade enactment, and (ii) compensations that allow recovering from negative side-effects of the upgrade enactment.

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Vorheriges Kapitel Automated Analysis of Cloud Offerings for Optimal Service Provisioning

Nächstes Kapitel Risk-Based Proactive Process Adaptation

This involves consulting the Service Registry, which is omitted here for simplicity.

Note: these two may differ when TokenVer is used.

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Titel: Middleware for Dynamic Upgrade Activation and Compensations in Multi-tenant SaaS
verfasst von: Dimitri Van Landuyt
Fatih Gey
Eddy Truyen
Wouter Joosen
Verlag: Springer International Publishing
Buch: Service-Oriented Computing
Print ISBN: 978-3-319-69034-6

Electronic ISBN: 978-3-319-69035-3

Copyright-Jahr: 2017
DOI: https://doi.org/10.1007/978-3-319-69035-3_24

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