BlåtAnt-S
BlatAnt-S is a rewritten and simplified implementation of BlatAnt-R which reduces the complexity of the algorithm and the communication cost. BlatAnt-S is currently being evaluated.
Evaluation
Test on LAN-1281, different scenarios are considered:
- S-R: Static reliable, no changes are made during the simulation
- DP-R: Dynamic reliable with proper disconnection, nodes are added and properly removed from iteration 100 to 5000 with a frequency of 1 add/remove every 20 iterations
- DI-R: Dynamic reliable with improper disconnection, nodes are added and removed from iteration 100 to 5000 with a frequency of 1 add/remove every 20 iterations
- S-U: Static unreliable, no changes are made during the simulation. Network delays packet delivery for one iteration with a probability of 10%, and looses packets with a probability of 1% each iteration.
- DP-U: Dynamic unreliable with proper disconnection, nodes are added and properly removed from iteration 100 to 5000 with a frequency of 1 add/remove every 20 iterations. Network delays packet delivery for one iteration with a probability of 10%, and looses packets with a probability of 1% each iteration.
- DI-U: Dynamic unreliable with improper disconnection, nodes are added and removed from iteration 100 to 5000 with a frequency of 1 add/remove every 20 iterations. Network delays packet delivery for one iteration with a probability of 10%, and looses packets with a probability of 1% each iteration.
In the following graphs, vertical dotted lines indicate the 100th, repectively the 5000th iteration. Additional parameters are:
- D = 5, target diameter
- alpha_maxsize = 28, maximum alpha table size
- m = 8, maximum connections per node
- mo = 6, maximum optimization connections per node
- iota = 25, discovery ant lifespan
- mu = 0.05, discovery ant birth probability
- lv = 15, discovery ant vector length 15
- delta_fill = 1, pheromone update
- psi = 0.9, pheromone decay
- gamma_min = 0.25, minimum gamma pheromone concentration
- beta_min = 0.005, minimum beta pheromone concentration
- omega = 1, pheromone evaporation interval
- c = 1, evaluation interval
- clant_ttl = 100, construction link ants lifespan
Diameter
Average Path Length
Edges Count
Largest Connected Component
Traffic
