of Unicast Messages

\*This shows the trade-off among communication, computational overheads.

**Table 3.** Summary of the main performance parameters of rekeying algorithms

**Figure 16.** Unicast messages in tree rekeying

**Scheme**

(b) Tree rekeying schemes

(a) Rekeying schemes

ELAPSE4 ELAPSE8 SRA

MBRA ELAPSE4 ELAPSE8 SRA
