Differentiate between IPv4 and IPv6. Determine the class and network address for the same following IP addresses. (Assuming subnetting is not being used and use default mask)




ipv4-ipv6 subnet masks • 745  views
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
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