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Compare the network layer protocols IPv4 and IPv6
1 Answer
| written 9.5 years ago by |
| Category | IPv4 | IPv6 |
|---|---|---|
| Address length | 32 bits | 128 bits |
| Notation style | Four sets of three digits | Eight sets of four digits separated by a dot |
| Compression | If all three digits are zero, single zero is used | If all four digits are zero, a double colon is used |
| Types of addresses | Public, private, multicast | Global, local-use unicast ,anycast |
| IPSec support | Optional | Required |
| Broadcast/Multicast | Supports both broadcast and multicast | No broadcast support and has different forms of multicast |
| Anycast support | Not part of original protocol | Explicit support of anycast |
| QoS | Less QoS as compared to IPv6 | Provides QoS for multimedia data |
| Fragmentation | Done by hosts and routers | Done by hosts only |
| Error reporting,and diagnostic | Optional | Automatic, DHCP or manual |
| DNS record type for name Resolution | A record | AAAA record |
| DNS record type and location for reverse name resolution | PTR records in IN-ADDR.ARPA domain | PTR records in IP6.ARPA domain |
| Security | Provides less security as compared to IPv6 | Uses authentication and encryption to provide security |
| Mobility | No support for Mobile IP | Provides support for Mobile IP |