Redes

|IPv4 |IPv6 |
|Source and destination addresses are 32 bits (4 |Source and destination addressesare 128 bits (16 |
|bytes) in length. |bytes) in length. For more information, see “IPv6 |
||Addressing.” |
|IPSec support is optional. |IPSec support is required. For more information, see |
||“IPv6 Header.” |
|No identification of payload for QoS handling by |Payload identification for QoS handling by routers is|
|routers is presentwithin the IPv4 header. |included in the IPv6 header using the Flow Label |
| |field. For more information, see “IPv6 Header.” ||Fragmentation is supported at both routers and the |Fragmentation is not supported at routers. It is only|
|sending host. |supported at the sending host. Formore information, |
| |see “IPv6 Header.” |
|Header includes a checksum. |Header doesnot include a checksum. For more |
| |information, see “IPv6 Header.” |
|Header includes options.|All optional data is moved to IPv6 extension headers.|
| |For more information, see “IPv6 Header.” |
|Address ResolutionProtocol (ARP) uses broadcast ARP |ARP Request frames are replaced with multicast |
|Request frames to resolve an IPv4 address to a link |Neighbor Solicitation messages. For more information,|...