Recent demands for storing and querying big data have revealed various shortcomings of
traditional relational database systems. This, in turn, has led to the emergence of a new kind …

Over the years, different meanings have been associated with the word consistency in the
distributed systems community. While in the'80s “consistency” typically meant strong …

Function-as-a-Service (FaaS) platforms and" serverless" cloud computing are becoming
increasingly popular. Current FaaS offerings are targeted at stateless functions that do …

We introduce a simple data model and API tailored for serving the social graph, and TAO, an
implementation of this model. TAO is a geographically distributed data store that provides …

By offering storage services in several geographically distributed data centers, cloud
computing platforms enable applications to offer low latency access to user data. However …

To minimize network latency and remain online during server failures and network partitions,
many modern distributed data storage systems eschew transactional functionality, which …

Self-adaptive systems tend to be reactive and myopic, adapting in response to changes
without anticipating what the subsequent adaptation needs will be. Adapting reactively can …

We consider the problem of separating consistency-related safety properties from availability
and durability in distributed data stores via the application of a" bolt-on" shim layer that …

Eventual consistency today Page 1 MAy 2013 | VOl. 56 | nO. 5 | CommuNiCatioNS of the aCm 55
Doi:10.1145/2447976.2447992 Article development led by queue.acm.org How can applications …

Developers of cloud-scale applications face a difficult decision of which kind of storage to
use, summarised by the CAP theorem. Currently the choice is between classical CP …