Question: Assume a datagram carries no option. Do we still need a value for the next header field in Figure 22.7 ? Figure 22.7 Payload in

Assume a datagram carries no option. Do we still need a value for the next header field in Figure 22.7?

Figure 22.7 Payload in an IPV6 datagram Next header Some next-header codes 00: Hop-by-hop option 02: ICMPV6 Next header Length 06: TCP 17: UDP Extension header 43: Source-routing option 44: Fragmentation option 50: Encrypted security payload 51:Authentication header 59: Null (no next header) 60: Destination option Next header Length Extension

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