This paper describes the IPv6 Intradomain multicast service used within 6NET. Differences between IPv4 and IPv6 multicasting require several original approaches for the implementation. This paper describes the first implementation and deployment experience. At this moment IPv6 Interdomain multicast, involving multiple Protocol-Independent Multicast (PIM) domains and thus multiple PIM Rendezvous Points (RPs) is not possible. IPv6 Intradomain multicast, involving only one RP, is also a challenge. For a large part of the equipment used within 6NET there exists no software with IPv6 multicast support yet. A separate test bed from 6NET had thus to be used.
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