Information Technology Reference
In-Depth Information
Table 5.2 Functional properties of the different WSN integration approaches
IrisNet
Hourglass
Janus
JWebDust
SWE
Access control
Based on
senselet
No
No
Unkown
Unkown
Accountability
No
No
No
No
No
Actuation
No
No
No
No
No
Caching & history
Yes
Yes via
operators
No
Yes
Yes, data
repositories
Fault tolerance
Replication of
distributed
DB
Disconnection
No
Disconnection
No
Geo-support
Yes
Yes, via
predicates
No
Unkown
Yes, geo-
tagging
Mobility support
No
No
No
No
No
In-flow processing
Only at sensor
source
Yes
No
Possible in
middle/
presentation
tier
No
Privacy
Privacy filters
on senslets
No
No
No
No
QoI, QoA
No
No
No
No
Limited,
allows QoI
description
of sensor
information
Traffic Optimization
Within the
overlay of
framework
Yes, between
overlay
nodes
No
No
No
Resource arbitration
Yes on SAN
level
No
No
Possible in
middle tier;
however, not
implemented
No
Service composition
Static
Semi-static, only
SEPs may
be replaced
No
Possible in
middle tier
Limited and
centralized,
SPS
Service discovery
No
Yes
Yes
Yes
Yes
Trust and reputability No
No
No
No
No
Management
support
No
No
No
Yes, web-based
tools
No
(continued)
 
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