Topology information component
Thomas Bourgeau
thomas.bourgeau@lip6.fr
Laboratoire LIP6 – CNRS
Université Pierre et Marie Curie – Paris 6
1st July - OneLab meeting (Sofia)
Objective of the Topology information
component
•Provide information concerning
–
The underlying network topology (IP/AS-Level)
•Add two additional measurement subcomponents.
–
Active measurement subcomponent
•
Traceroute@home: IP-level route traces
•Improve the monitoring capability
–
Allows applications to query the topology information
component.
•
TopHat API
2
TopHat: OneLab Topology
Information Component
3
TopHat registration
In order to use TopHat, a user has to be register
4
TopHat: Server methods API
•
TopHat Methods for active Measurement
–
TopHat methods are defined on D3B.1 and D3B.2
5
TopHat and XML-RPC
•
Access topology information through TopHat with XMLRPC.
–
Common library that can be use by several development
language as Java, C, perl, python.
6
TopHat web services
7
TopHat: Get Graph of a day
8
TopHat: Search path
9
TopHat: Search path
10
Mapping IP to AS
•
TopHat Server can:
•
•
Translate any traceroute@home hop results with its correspondent ASs
•
Query Team Cymru Whois server (GetIP2AS)
Store ASs information related to IP: (AS, BGP Prefix, Registry, AS
Name)
11
TopHat: As-Level results 2
12
Future
• OneLab partners will have full access to
TopHat.
• TopHat will run as a continuous service for
PlanetLab users.
• New users and contributors are welcome.
13
Conclusion
Thank you for your attention
Questions …
14