Publish/Subscribe Systems: Background
, The pub/sub service is a logically centralized service
intermediates the communication between publishers and subscribers in a distributed
setting.
Basic primitives: sub, unsub, pub
Various routing topologies and semantics
, The pub/sub communication paradigm provides:
space, flow, and timing decoupling between producers and consumers of
information
content-based filtering and communication
Multi-way delivery
, A frequently used communication paradigm
Proposed for mobile computing