SIP The Simple Internet Protocol
SIP is one of the main forerunners of IPng and a lot of the SIP features
are maintained in IPng.
The changes from IP to SIP fall into three main
The specific improvements of SIP over IP can be summarised as follows:
- Larger more hierarchical addresses
- "Cluster addresses"
- Scoped multicast
- More efficient packet processing
- Less stringent limits on the use of options
- Improved functionality for introducing new options