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IPv4 & IPv6 Header Comparison

IPv4 & IPv6 Header Comparison





  • How large (in bytes) are the headers?
The header of Ipv4 is 20 to 60 bytes and of Ipv6 is  36 bytes long.
  • How many different info fields to the headers include?
Ipv4 has 14 fields and Ipv6 has 8 fields.
  • The "hop limit" field in IPv6 can be compared to which field in IPv4?
It can compared to the filed Time to live.
  • What is the purpose of the "flow label" field?
A flow is a sequence of packets that are sent from a particular source to a particular, unicast or multicast, destination. Quality of Service.
  • What is fragmentation in IPv4? Is there a similar mechanism in IPv6?
With the IP-Fragmentation you can split the IP-data packet.
In Ipv6 IP- Fragmentation is not allowed.