pragyaasapkota/Difference.csv

## Difference.csv

          
            Factors
             IPv4
             IPv6

            
              Deployment Date
               1981
               1998

            
              Address Length
               32-bit (4 bytes)
               128-bit (16 bytes)

            
              Address Space
               4.29×10^9
               3.4×10^38

            
              Address Representation
               Dot-decimal
               Alphanumeric Hexadecimal

            
              Required Bytes
               576
               1280

            
              Header
               20-60 bytes
               40 bytes fixed

            
              IPSec
               Optional – depends on application
               Inbuilt IPSec

            
              Connection Integrity
               Unachievable
               Achievable

            
              Configuration
               DHCP (Dynamic Host Configuration Protocol) and Manual
               Auto and renumbering

            
              Checksum
               Available
               Not available

            
              Packet Fragmentation
               Routers and sending hosts
               Sending hosts

            
              Packet Flow Identification
               Not available
               Available (also uses the flow label field in header)

            
              Encryption and authentication facility
               Absent
               Present

            
              IP to MAC
               Broadcast Message Transmission Scheme [Broadcast ARP]
               Multicast and anycast message transmission scheme [Multicast Solicitation Neighbor]

            
              Conversion
               Can be converted to IPv6
               Only a few can be converted to IPv4

            
              Fields Count
               Four fields separated by dot (.)
               Eight fields separated by colon (:)

            
              Variable Length Subnet Mask (VLSM)
               Supports VLSM
               Doesn’t support VLSM

            
              Local Subnet Management Group
               Internet Group Management Protocol (ICMP)
               Multicast Listener Discovery (MLD)

            
              Address Reuse
               Addresses must be reused and masked.
               Every device can have unique address.

            
              DNS Records
               Pointer (PTR) records + IN-ADDR + ARPA DNS Domain
               Pointer (PTR) records + IP6.ARPA DNS Domain

            
              Class
               Five classes - [Class A + Class B + Class C + Class D + Class E]
               No classes

            
              Example
               192.22.181.111
               3111:0000:2928:dfei:0057:0000:0000:fefb
Factors	IPv4	IPv6
Deployment Date	1981	1998
Address Length	32-bit (4 bytes)	128-bit (16 bytes)
Address Space	4.29×10^9	3.4×10^38
Address Representation	Dot-decimal	Alphanumeric Hexadecimal
Required Bytes	576	1280
Header	20-60 bytes	40 bytes fixed
IPSec	Optional – depends on application	Inbuilt IPSec
Connection Integrity	Unachievable	Achievable
Configuration	DHCP (Dynamic Host Configuration Protocol) and Manual	Auto and renumbering
Checksum	Available	Not available
Packet Fragmentation	Routers and sending hosts	Sending hosts
Packet Flow Identification	Not available	Available (also uses the flow label field in header)
Encryption and authentication facility	Absent	Present
IP to MAC	Broadcast Message Transmission Scheme [Broadcast ARP]	Multicast and anycast message transmission scheme [Multicast Solicitation Neighbor]
Conversion	Can be converted to IPv6	Only a few can be converted to IPv4
Fields Count	Four fields separated by dot (.)	Eight fields separated by colon (:)
Variable Length Subnet Mask (VLSM)	Supports VLSM	Doesn’t support VLSM
Local Subnet Management Group	Internet Group Management Protocol (ICMP)	Multicast Listener Discovery (MLD)
Address Reuse	Addresses must be reused and masked.	Every device can have unique address.
DNS Records	Pointer (PTR) records + IN-ADDR + ARPA DNS Domain	Pointer (PTR) records + IP6.ARPA DNS Domain
Class	Five classes - [Class A + Class B + Class C + Class D + Class E]	No classes
Example	192.22.181.111	3111:0000:2928:dfei:0057:0000:0000:fefb