Table 6 Definitions of symbols in the ZbSR model.

From: A data plane security model of SR-BE/TE based on zero-trust architecture

Symbol

Definition

M

Number of agents

\({\text{N}}\)

Number of device nodes

\({\text{N}}_{t}\)

Number of nodes in communication

\(N_{f}\)

Flow quantity

\(N_{f}^{i}\)

Number of streams that agent i flows through

k1

Flow speed

k2

Constant

\(n_{i}\)

Number of message segments in each stream

µ

Key update period