Table 4.

Comparison of the main parameters of the articles

Papers	Method	Decreasing network overhead	Decreasing cost	Increasing prediction accuracy	Increasing data availability	Increasing access response time	Decreasing bandwidth
Data replication and placement techniques in IoT
He et al. [71]	IoT	No	Yes	No	No	No	No
Cho et al. [37]	IoT	No	No	Yes	No	Yes	No
Zhang et al. [72]	IoT Cloud computing	No	No	No	Yes	Yes	No
Qaim and Ozkasap [74]	IoT	No	No	No	Yes	No	No
Shao et al. [20]	IoT Cloud computing Edge computing	No	Yes	No	No	No	No
Wakil et al. [70]	IoT	No	No	No	No	Yes	No
Wang et al. [75]	IoT	No	No	No	Yes	No	No
Wang and Batiha [9]	IoT	No	No	No	Yes	Yes	No
Liu et al. [76]	IoT Edge computing	No	No	No	No	Yes	No
Data replication and placement techniques in edge computing
Tziritas et al. [73]	Virtual machine Edge computing	Yes	No	No	No	No	No
Aral and Ovatman [67]	Edge computing	No	Yes	No	No	No	No
Li et al. [30]	Cloud computing Edge computing	No	No	Yes	No	No	No
Li et al. [39]	Edge computing	No	No	Yes	Yes	Yes	No
Bhalaji [11]	Mobile edge computing	No	No	No	No	Yes	Yes
Saranya et al. [35]	Mobile edge computing	No	No	No	No	Yes	Yes
Wang et al. [36]	Edge computing IoT	No	No	No	No	Yes	Yes
Li et al. [77]	Cloud computing Edge computing	No	No	No	No	Yes	No
Li et al. [69]	Cloud computing Edge computing	No	Yes	No	No	No	No
Tang et al. [50]	Mobile edge computing	No	No	No	No	Yes	No