LSOT: A Lightweight Self-Organized Trust Model in VANETs

Table 1

Intuitive comparisons between our LSOT model and some other trust models in VANETs.

Trust models	Architecture	Trust certificate	Recommendation	Cost	Robustness
LTR [8]	Infrastructure-based	×	×	High	—
RGTE [9]	Infrastructure-based	×	×	High	—
EBT [10]	Self-organized with supernodes	×	√	Midterm	—
ICO [11]	Fully self-organized	×	×	Low	Weak
LCT [12]	Fully self-organized	√	×	Low	Weak
LSOT	Fully self-organized	√	√	Low	Strong

“√”: support; “×”: nonsupport; “—”: without consideration.