hipwg-1----Page:5
1 2 3 4 5 6 7 8
|
HIP PATH Network Address HIP Initiator Server Translator Responder | | | | | I1 over IP | | | | ----------------> | I1 over UDP | I1 over UDP | | | ----------------> | ----------------> | | | | | | | R1 over UDP | R1 over UDP | | R1 over IP | with UDP-REA | with UDP-REA | | without UDP-REA | <---------------- | <---------------- | | <---------------- | | | | | | | | I2 over IP | | | | without UDP-REA | I2 over UDP | I2 over UDP | | ----------------> | without UDP-REA | without UDP-REA | | | ----------------> | ----------------> | | | | | | | R2 over UDP | R2 over UDP | | R2 over IP | <---------------- | <---------------- | | <---------------- | | | | | | | | IPsec ESP | IPsec ESP | IPsec ESP | | <===============> | over UDP | over UDP | | | <================ | ================> | HIP and IPsec packets travel via the PATH server |