Hi, Jonathan,
I have a question on the following text on version 6, on page 8.
"
2. Datagrams destined elsewhere within the same RPL Instance are
forwarded to the correct interface.
3. Datagrams destined to nodes outside the RPL Instance are dropped
if the outer-most IPv6 header contains a RPL Option not generated
by the RPL router forwarding the datagram.
"
Can you clarify the meaning of the (same) RPL instance in the above text? Is it
the RPL instance in the outer-most IPv6 header? For instance, if a RPL packet
is tunneled to a RPL router using another RPL instance and the recipient RPL
router is the exit point of the outer tunnel, must the router discard such a
packet whether the router joined the RPL instance of the inner packet or not?
To phrase it differently, can RPL be used in a virtual network over a network
which happens to use another RPL instance as an underlying routing protocol?
Thank you.
BR,
Kundok Park
Texas Instruments
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