| Purpose |
| Operations |
| Research |
| End-to-end |
|
|
|
| Ping/traceroute, |
||
| bandwidth,
application |
||
| performance |
||
|
|
| Band
width |
|
| estimation |
|
|
|
| Network |
|
| centric |
|
|
|
| SNMP,
MRTG, Netflow |
|
| … |
|
|
|
|
| Topology / |
||
| tomography, |
||
| mapping,
security |
||
| Other
taxonomies: active vs passive |
