Fine-grained consistency upgrades for online services

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)


Online services such as Facebook or Twitter have public APIs to enable an easy integration of these services with third party applications. However, the developers who design these applications have no information about the consistency provided by these services, which exacerbates the complexity of reasoning about the semantics of the applications they are developing. In this paper, we show that is possible to deploy a transparent middleware between the application and the service, which enables a fine-grained control over the session guarantees that comprise the consistency semantics provided by these APIs, without having to gain access to the implementation of the underlying services. We evaluated our middleware using the Facebook public API and the Redis datastore, and our results show that we are able to provide fine-grained control of the consistency semantics incurring in a small local storage and modest latency overhead.

Original languageEnglish
Title of host publicationProceedings - 2017 IEEE 36th International Symposium on Reliable Distributed Systems, SRDS 2017
PublisherIEEE Computer Society
Number of pages10
ISBN (Electronic)978-1-5386-1679-6
Publication statusPublished - 2017
Event36th IEEE International Symposium on Reliable Distributed Systems, SRDS 2017 - Hong Kong, Hong Kong
Duration: 26 Sept 201729 Sept 2017


Conference36th IEEE International Symposium on Reliable Distributed Systems, SRDS 2017
Country/TerritoryHong Kong
CityHong Kong


  • Consistency
  • Internet online services
  • Middleware
  • Session guarantees


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