BindOutInstruction allocate external address and port on this node, it will be used by initiator to send and receive ADNL packets from outside.

BuildRouteInstruction remember route to optimize further packets.

CacheInstruction save instruction to cache, to reduce next packets size.

DeliverInitiatorInstruction used to identify that node is the initiator destination and payload should be processed on this server, to decrypt shared key of public sender + private tunnel should be used.

DeliverInstruction used to identify that node is the destination and payload should be processed on this server, to decrypt shared key of private receiver + public tunnel should be used.

EncryptedMessage tunneled message to decrypt and process, after decryption contains InstructionsContainer.

InstructionsContainer list of instructions to process on this node, order is matters.

PaymentInstruction attached virtual payment channel state is used to get money for traffic.

ReportStatsInstruction is used to get network statistics from some node, for example to calc packet loss or align payment amount.

RouteInstruction routes other encrypted instructions and payload to next node saved by BuildRouteInstruction.

SendOutInstruction used to send UDP packet by server which already bind port using BindOutInstruction.