@startuml
participant Cli
participant Srv

skinparam sequenceMessageAlign center
skinparam defaultFontName monospaced


== Amplification Attack Prevention ==

Cli -> Srv: [conn1: stream: dial] DialRequest:{nonce: 0xabcd, addrs: (addr1, addr2, addr3)}
Srv -> Cli: [conn1: stream: dial] DialDataRequest:{addrIdx: 1, numBytes: 120k}
Cli -> Srv: [conn1: stream: dial] DialDataResponse:{data: 4k bytes},DialDataResponse:{data: 4k bytes},...
Srv -> Cli: [conn2: stream: dial-back]addr2 DialBack:{nonce: 0xabcd}
Srv -> Cli: [conn1: stream: dial] DialResponse:{status: OK, addrIdx: 1, dialStatus: DIAL_STATUS_OK} 
@enduml