BRITE's Parameters

Tables 1, 2, 3 and 4 describe the meaning of the parameters of the models provided with the current distribution of BRITE. Parameters used by more that one model, are mentioned only once.

Table 1: Flat Topology (AS Only or Router Only) Parameters.

Parameter	Meaning	Values
HS	Size of one side of the plane	int $\ge 1$
LS	Size of one side of a high-level square	int $\ge 1$
N	Number of nodes	int $1 \le N \le HS*HS$
Model	model id	int $\ge 1$
alpha	Waxman-specific exponent	$0 < \alpha \le 1, \alpha \in R$
beta	Waxman-specific exponent	$0 < \beta \le 1, \beta \in R$
Node Placement	how nodes are placed in the plane	1: Random, 2: HT
m	Number of links per new node	int $\ge 1$
Growth Type	how nodes join the topology	1: Incremental, 2: Random
BWdist	bandwidth assignment to links	1: Const, 2: Unif, 3: Exp, 4: HT
MaxBW, MinBW	min, max link bandwidth values	float $> 0$

Table 2: Top-down Hierarchical topology Parameters.

Parameter	Meaning	Values
Edge Connection	method for interconnecting	1: Random node
	router topologies	2: Smallest degree,
		3: Smallest degree non-leaf
		4: k-Degree
Intra BWdist	Intra-domain bandwidth	1: Constant
	assignment distribution	2: Uniform
		3: Exponential
		4: Heavy-tailed
Intra BWMax/Min	min, max bandwidth values	$float > 0$
	for intra-domain links
Inter BWdist	inter-domain bandwidth	1: Constant
	assignment distribution	2: Uniform
		3: Exponential
		4: Heavy-tailed
Inter BWMax/Min	min, max bandwidth values	$float > 0$
	for inter-domain links

Table 3: Bottom-Up topology Parameters.

Parameter	Meaning	Values
AssignType	assignment of routers to ASs	1: Constant
		2: Uniform
		3: Exponential
		4: Heavy-tailed
NumAS	number of ASs ``desired''	$int > 0$
Grouping Method	how routers are grouped into ASs	1: Random pick
		2: Random Walk
Inter BWdist	inter-domain bandwidth	1: Constant
	assignment distribution	2: Uniform
		3: Exponential
		4: Heavy-tailed
Inter BWMax/Min	min, max link bandwidth values	float $> 0$

Table 4: Imported File topology Parameters.

Parameter	Meaning	Values
Format	File format to be imported	1: BRITE
		2: GT-ITM
		3: NLANR
		4: SKITTER
		5: GT-ITM Transit-Stub
		6: Inet
File	file pathname	valid file name
HS, LS	Plane dimensions	same as above
BWdist	Bandwidth distribution	1: Constant
		2: Uniform
		3: Exponential
		4: HT
BWmin, BWmax	min, max link bandwidth values	float $> 0$