Dear Pascal, Recently Jonathan and I are working on the implementation of new 6loRH draft: draft-ietf-6lo-routing-dispatch-00. There are something in the draft we are not that clear yet and we would like to ask. Following are the question:
1. in section 4.2, second paragraph: *One or more 6LoRHs MAY be placed in a 6LoWPAN packet and MUST always* *be placed before the LOWPAN_IPHC [RFC6282].* What's the situation when Ip-in-Ip encapsulation structure was used? 2. section 8: IP-in-IP 6LoRH first paragraph: *The IP-in-IP 6LoRH (IPinIP-6LoRH) is an Elective 6LoWPAN Routing* *Header that provides a compressed form for the encapsulating IPv6* *Header in the case of an IP-in-IP encapsulation.* According to the description, it the IPinIP-6LoRH is a combination of IPHC+RH3 but in a compressed format? For example: following is the format of packet containing routing header which defined in old draft using an Ip-in-Ip encapsulation: MACheader + IPHC + RH3 + IPv6ExT + IPHC + ICMPv6 If we are using the 6LoRH, will it turns to : MACheader + Paging Dispatch(page 1) + IPinIP-6LoRH + IPv6ExT + IPHC + ICMPv6 Is this correct? If not, what it should be? Thanks! Jonathan, please corret me if there are something I didn't say clear . Thank you! Regard, Jonathan, Tengfei
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