be.ac.ulg.montefiore.run.totem.trafficMatrix.generation
Class POPPOPTrafficMatrixGeneration

java.lang.Object
  be.ac.ulg.montefiore.run.totem.trafficMatrix.generation.POPPOPTrafficMatrixGeneration

public class POPPOPTrafficMatrixGeneration
extends java.lang.Object

This class generates a POP-POP XML intra-domain traffic matrix from an XML interdomain traffic matrix. In an XML inter-domain traffic matrix, we have for each node some destinations prefixes for which we need to know the corresponding egress node. For this, we replay BGP dumps in C-BGP.

Creation date: 04-03-2005

Author:

Olivier Delcourt (delcourt@run.montefiore.ulg.ac.be), Simon Balon (balon@run.montefiore.ulg.ac.be), Gael Monfort (monfort@run.montefiore.ulg.ac.be)

Field Summary

double

notRoutedTraffic

Constructor Summary

POPPOPTrafficMatrixGeneration(Domain domain)

Method Summary

TrafficMatrix	generatePOPPOPTrafficMatrix(java.lang.String trafficMatrixFileName) This method can be used to generate an XML traffic matrix from a text-file traffic matrix.
TrafficMatrix	generateTrafficMatrix(TrafficMatrix tm, java.util.HashMap<java.lang.String,java.lang.String> clusters, java.lang.String netflowXMLTrafficMatrixFileName) This methods takes a CBGP instance to which all messages (dumps & updates) have been passed and generates an intra-domain traffic matrix from an interdomain XML traffic matrix.
TrafficMatrix	generateTrafficMatrix(TrafficMatrix tm, java.util.HashMap<java.lang.String,java.lang.String> clusters, TrafficMatrixFileType interTm) This methods takes a CBGP instance to which all messages (dumps & updates) have been passed and generates an intra-domain traffic matrix from an interdomain XML traffic matrix.
Domain	getDomain()
void	loadDump(java.lang.String BGPbaseDirectory, java.lang.String BGPdirFileName, java.util.Collection<java.lang.String> prefixes) This method loads prefixes from BGP dumps into an existing CBGP instance.
void	loadUpdates(java.lang.String updatesBaseDirectory, java.lang.String YYYYMMDDHHMM) This methods loads all the updates corresponding to a certain time interval into a specified CBGP instance.
java.util.HashMap<java.lang.String,java.lang.String>	readCluster(java.lang.String clusterFileName, java.lang.String BGPbaseDirectory, java.lang.String BGPdirFileName) This method reads a cluster file resulting from bgp- sum2.pl and loads all cluster prefixes in an existing C-BGP instance.
void	simRun() Run cbgp.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

notRoutedTraffic

public double notRoutedTraffic

Constructor Detail

POPPOPTrafficMatrixGeneration

public POPPOPTrafficMatrixGeneration(Domain domain)

Method Detail

simRun

public void simRun()
            throws RoutingException

Run cbgp. Call this when you have done reading clusters, dump and updates.

Throws:

RoutingException

loadDump

public void loadDump(java.lang.String BGPbaseDirectory,
                     java.lang.String BGPdirFileName,
                     java.util.Collection<java.lang.String> prefixes)
              throws InvalidFileException

This method loads prefixes from BGP dumps into an existing CBGP instance.

Parameters:

BGPbaseDirectory - the directories containing dumps

BGPdirFileName - the directory and filename of the dumps found in BGPbaseDirectory/id/ or BGPbaseDirectory/rid/

prefixes - the list of prefixes that must be loaded. If null, all prefixes will be loaded.

Throws:

InvalidFileException - If the directories are not named by id or by rid

generatePOPPOPTrafficMatrix

public TrafficMatrix generatePOPPOPTrafficMatrix(java.lang.String trafficMatrixFileName)
                                          throws java.io.IOException

This method can be used to generate an XML traffic matrix from a text-file traffic matrix.

Typical format:
src_node dst_node flow_size
where src_node and dst_node must be IP addresses corresponding to RIDs in the XML topology format.

Parameters:

trafficMatrixFileName -

Returns:

Throws:

java.io.IOException

readCluster

public java.util.HashMap<java.lang.String,java.lang.String> readCluster(java.lang.String clusterFileName,
                                                                        java.lang.String BGPbaseDirectory,
                                                                        java.lang.String BGPdirFileName)
                                                                 throws java.io.IOException,
                                                                        InvalidFileException

This method reads a cluster file resulting from bgp- sum2.pl and loads all cluster prefixes in an existing C-BGP instance.

Parameters:

clusterFileName - The name of the clustering file resulting from the perl script.

BGPbaseDirectory -

BGPdirFileName -

Returns:

Throws:

java.io.IOException - If an IOException occurs when reading the cluster file.

InvalidFileException - If the directories are not named by id or by rid

generateTrafficMatrix

public TrafficMatrix generateTrafficMatrix(TrafficMatrix tm,
                                           java.util.HashMap<java.lang.String,java.lang.String> clusters,
                                           TrafficMatrixFileType interTm)
                                    throws InvalidDomainException,
                                           InvalidTrafficMatrixException

This methods takes a CBGP instance to which all messages (dumps & updates) have been passed and generates an intra-domain traffic matrix from an interdomain XML traffic matrix.

Parameters:

tm - this parameter can be an existing traffic matrix to which you want to add new traffic (for example to generate a traffic matrix for two hours...)

clusters - an hashMap mapping a prefix to a cluster (which has been advertised in C-BGP)

interTm - the inter-domain traffic matrix

Returns:

Throws:

InvalidDomainException

InvalidTrafficMatrixException

generateTrafficMatrix

public TrafficMatrix generateTrafficMatrix(TrafficMatrix tm,
                                           java.util.HashMap<java.lang.String,java.lang.String> clusters,
                                           java.lang.String netflowXMLTrafficMatrixFileName)
                                    throws InvalidDomainException,
                                           InvalidTrafficMatrixException

This methods takes a CBGP instance to which all messages (dumps & updates) have been passed and generates an intra-domain traffic matrix from an interdomain XML traffic matrix.

Parameters:

tm - this parameter can be an existing traffic matrix to which you want to add new traffic (for example to generate a traffic matrix for two hours...)

clusters - an hashMap mapping a prefix to a cluster (which has been advertised in C-BGP)

netflowXMLTrafficMatrixFileName - the inter-domain XML traffic matrix generated using NetFlow

Returns:

Throws:

InvalidDomainException

InvalidTrafficMatrixException

loadUpdates

public void loadUpdates(java.lang.String updatesBaseDirectory,
                        java.lang.String YYYYMMDDHHMM)
                 throws java.lang.Exception

This methods loads all the updates corresponding to a certain time interval into a specified CBGP instance. // TODO: update this method to get it working

Parameters:

updatesBaseDirectory - the base directory containing updates, then stored in subdirectories according routers names

YYYYMMDDHHMM - updates should be stored in files updatesYYYYMMDDHHMM

Throws:

java.lang.Exception

getDomain

public Domain getDomain()