IPv6 uses 128 bit addresses compare to IPv4, so it will take longer for routers to process IPv6 datagrams. Explain clearly by providing one argument why you agree or disagree with this statement?
Try an answer before revealing the guidance below.
Key Concepts
- Fixed 40-byte header
- No header checksum
- No router fragmentation
- Extension headers
- Hardware lookup
Answer Approach
- Decide whether address length is the main cost of router processing.
- List what IPv6 routers no longer do per packet.
- Give one clear argument supporting your position.
Full Answer
Answer status: Verified against study notes. Revision notes, not an official marking scheme.
Disagree. Although the addresses are longer, the IPv6 header was designed for faster processing: it has a fixed 40-byte length (no variable options to parse), no header checksum to recompute at every hop, and routers never fragment packets. Optional information is moved into extension headers that routers normally skip. These savings outweigh the cost of handling longer addresses, which lookup hardware processes efficiently.
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