Naming Rules of `NodeId`s

Format

A NodeId is a 7-byte hex string, attached with device_no, the owner's IP address and its RPC-accepting port:

00bbbbbbssssmm.d@ip:port

where b,s,m denote a hex-digit (4 bits), ip denotes an IP address, and port denotes a port number.

field	description
bbbbbb (24-bit)	bucket_no
ssss (16-bit)	segment_no
mm (8-bit)	member_no. This node is the mm-th member of ssss-th segment of bbbbbb-th bucket. In range [0, k + m).
d (32-bit)	device_no. This number is not included in a LumpId.

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