...CLASS=INLINE>T_i.

Note that this key schedule is different from the previous schedule described in section 2.1, where key $K$_i was used to compute the MAC in interval $I$_i and was disclosed in interval $I$_i+d.

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...control.

Source-Specific Multicast (SSM) is a new multicast protocol, and a new IETF working group was formed in August 2000 [22]. SSM tends to address this problem by enforcing that only one legitimate sender can send to the multicast group.

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...space.

We do not consider the flooding attack from a network perspective (where flooding can cause link congestion and results in dropping legitimate traffic) because any network protocol is susceptible to this attack.

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