3 ms·
IPv4 didn't provide a variable-length header, so the number of address bits is fixed. Any extension to add more addresses is inherently going to break interoper
by SAI_Peregrinus 3y ago
IPv4 didn't provide a variable-length header, so the number of address bits is fixed. Any extension to add more addresses is inherently going to break interoperability.
- eppp 3y agoIt didnt 20 years ago. That spec could have been changed and on routers added a default padding for the devices that didn't understand the new variable length. 0.0.0.0.192.168.0.1 or whatever for the legacy ipv4 devices. Im sure there was all kinds of hemming and hawing about why it would be difficult to do on the current hardware of the time and none of that equipment even exists anymore. So instead we decided to reinvent the wheel and make it a major pain instead.