A Load-Aware Multistripe Concurrent Update Scheme in Erasure-Coded Storage System

Table 1

Symbols in the problem formulation.

Symbol	Description	Symbol	Description
	Network topology		Link set
	Switch set		Number of update stripes
	Update stripe index		Link between two adjacent switches
	Convergence paths set of update stripe		Divergence paths set of update stripe
	Convergence path		Divergence path
	Unicast path in convergence path		Unicast path in divergence path
	Convergence delay of stripe via path		Divergence delay of stripe via path
	Bandwidth cost of update stripe		Bandwidth capacity of link
	Binary variable		Binary variable
	Number of node load decision factors		Update data volume of stripe