diff --git a/src/burst_tests/first/topo b/src/burst_tests/first/topo
new file mode 100644
index 0000000..be0ac21
--- /dev/null
+++ b/src/burst_tests/first/topo
@@ -0,0 +1,7 @@
+desc:Simple configuration with two para link
+topoType:MultiIf
+leftSubnet:10.0.
+rightSubnet:10.1.
+#path_x:delay,queueSize(may be calc),bw
+path_0:10,10,5
+path_1:1000,40,5
diff --git a/src/burst_tests/first/validation.yml b/src/burst_tests/first/validation.yml
new file mode 100644
index 0000000..893c105
--- /dev/null
+++ b/src/burst_tests/first/validation.yml
@@ -0,0 +1,5 @@
+checkers:
+  mptcptrace:
+  tcptrace:
+aggregators:
+  - burst_blocks
diff --git a/src/burst_tests/first/xp b/src/burst_tests/first/xp
new file mode 100644
index 0000000..ec29c38
--- /dev/null
+++ b/src/burst_tests/first/xp
@@ -0,0 +1,14 @@
+xpType:ncpv
+ncClientPort_0:33400
+clientPcap:yes
+pvRateLimit:64k
+ddCount:1000
+kpmc:fullmesh
+
+#kpmc:netlink
+#upmc:fullmeshIfNeededRate
+#upmc_args: -c 500 -i 1000 -t 60000
+
+kpms:fullmesh
+pvG:1000000
+pvZ:1000000
diff --git a/src/conf/xp/4_nc b/src/conf/xp/4_nc
index 5740ad4..f2cffd1 100644
--- a/src/conf/xp/4_nc
+++ b/src/conf/xp/4_nc
@@ -1,5 +1,11 @@
-xpType:nc
+xpType:ncpv
+rmem:300000 300000 300000
 ncClientPort_0:33400
 clientPcap:yes
-ddCount:15000
-rmem:300000 300000 300000
+pvRateLimit:600k
+ddCount:10000
+kpm:fullmesh
+kpms:netlink
+kpmc:netlink
+upmc:fullmesh
+#upmc_args: -n 5
diff --git a/src/mpBurstBlocks.py b/src/mpBurstBlocks.py
new file mode 100644
index 0000000..11a4e7f
--- /dev/null
+++ b/src/mpBurstBlocks.py
@@ -0,0 +1,194 @@
+import numpy as np
+import os as os
+import matplotlib.pyplot as plt
+
+class BurstBlocksAggregator:
+	def __init__(self, yml, test_name, dest_dir):
+		# csv_file="c2s_seq_1.csv"
+		# minimum delay to observe to identify the beginning of a block
+		self.min_block_sep = 0.3 
+		self.headers = [ "ts", "map_begin", "subflow", "is_seq", "map_end", "is_reinject" ] 
+		self.log = open(dest_dir+"/burst_block_aggregator.log","w")
+		self.csv_file=dest_dir+"/"+"c2s_seq_1.csv"
+		self.a = np.genfromtxt (self.csv_file, delimiter=",")
+		self.blocks=[]
+		self.times=[]
+		self.packets_per_flow=[]
+		self.flows_ratios = []
+		self.subflows=[]
+		self.flows_ratios=[]
+		self.extract_blocks()
+		self.extract_times()
+		self.extract_flows_packets()
+		self.extract_flows_ratios()
+
+	def c(self,column):
+		"""Return column index corresponding to name passed as argument"""
+		return self.headers.index(column)
+#	def extract_blocks(self):
+#		# beginning of block. First block starts at packet 0
+#		b=0
+#		# iteration, we can start at packet 1
+#		i=1
+#		previous=0
+#		while i<len(self.a):
+#			if self.a[i][self.c("is_seq")]==1:
+#				# in this case we look for the start of a new sending block
+#				if b==None:
+#					b=i
+#					print >>self.log, "previous seq packet:", "{:10.8f}".format(self.a[previous][self.c("ts")]), "seq:", self.a[previous][self.c("map_begin")]
+#					print >>self.log, "found block starting at ", "{:10.8f}".format(self.a[i][self.c("ts")]), "seq:", self.a[i][self.c("map_begin")]
+#				# we know the start of the block and look for its last packet
+#				elif self.a[i][self.c("ts")]-self.a[previous][self.c("ts")]>self.min_block_sep:
+#					print >>self.log, "next block:", "{:10.8f}".format(self.a[i+1][self.c("ts")]), "seq:", self.a[i+1][self.c("map_begin")]
+#					print >>self.log,"--------------------------------------"
+#					# the ranges we use here are inclusive, ie the range contains both elements.
+#					self.blocks.append((b,previous))
+#					b=i
+#				# keep track of previous seq packet
+#				previous=i
+#			i=i+1
+#		self.blocks.append((b,previous))
+#		print >>self.log, "# blocks: ", len(self.blocks)
+# detect blocks based on number of bytes sent
+
+#!!!!!!!!!!!!!!!!!!!!!!!!!!!
+# buggy code !!!!!!!!!!!!!!!
+#!!!!!!!!!!!!!!!!!!!!!!!!!!!
+	def extract_blocks(self):
+		# beginning of block. First block starts at packet 0
+		b=0
+		# iteration, we can start at packet 1
+		i=1
+		previous_mod=0
+		first_seq=self.a[i][self.c("map_begin")]
+		previous_seq=None
+		while i<len(self.a):
+			if self.a[i][self.c("is_seq")]==1:
+				if (self.a[i][self.c("map_end")]-self.a[0][self.c("map_begin")])%65536<previous_mod and self.a[i][self.c("map_begin")]>self.a[previous_seq][self.c("map_begin")]:
+					print >>self.log, "found block beginning at ", "{:10.8f}".format(self.a[i][self.c("ts")]), "end seq:", self.a[i][self.c("map_end")]
+					print >>self.log,"--------------------------------------"
+					self.blocks.append((b,previous_seq))
+					b = i
+					# keep track of previous seq packet
+					#print >>self.log, "recording previous seq at time ", "{:10.8f}".format(self.a[i][self.c("ts")]), "and end_seq:", self.a[i][self.c("map_end")]
+				if self.a[i][self.c("map_begin")]>self.a[previous_seq][self.c("map_begin")]:
+					previous_mod=(self.a[i][self.c("map_end")]-self.a[0][self.c("map_begin")])%65536
+					previous_seq=i
+			i=i+1
+		print "last block previous_seq = " + str(previous_seq)
+		print >>self.log, "Rcording last block end at time ", "{:10.8f}".format(self.a[previous_seq][self.c("ts")]), "and end_seq:", self.a[previous_seq][self.c("map_end")]
+		self.blocks.append((b,previous_seq))
+		print self.blocks
+		print >>self.log, "# blocks: ", len(self.blocks)
+	def extract_times(self):
+		for i in range(len(self.blocks)):
+			print >>self.log, "Block " + str(i)
+			print >>self.log, "---------------------"
+			first,last = self.blocks[i]
+			print >>self.log, "first packet[" + str(first) +"] at:", "{:10.6f}".format(self.a[first][self.c("ts")]), "seq:", self.a[first][self.c("map_begin")]
+			print >>self.log, "last packet [" + str(last) +"] at :", "{:10.6f}".format(self.a[last][self.c("ts")]), "seq:", self.a[last][self.c("map_begin")]
+			t1 = self.a[first][self.c("ts")]
+			# +1 because our ranges are inclusive
+			packets = self.a[first:last+1]
+			biggest_seq_index=self.find_biggest_seq_in_block(packets)
+			biggest_seq = packets[biggest_seq_index][self.c("map_end")]
+			print >>self.log, "biggest_seq = " + str(biggest_seq)
+			ack_index, ack_packet=self.find_ack_for_seq(biggest_seq, biggest_seq_index)
+			print >>self.log, "ack time = " + "{:10.6f}".format(self.a[ack_index][self.c("ts")])
+			print >>self.log, "ack index = " + str(ack_index)
+			print >>self.log, "block time = " + "{:10.6f}".format(ack_packet[self.c("ts")] - packets[0][self.c("ts")])
+			self.times.append([first, ack_index, ack_packet[self.c("ts")] - packets[0][self.c("ts")]   , packets[0][self.c("ts")], ack_packet[self.c("ts")]  ]) 
+			print >>self.log, "############################"
+		print >>self.log, "---------------------------------------------"
+		print >>self.log, "block times = " + str(self.times)
+		self.times = np.array(self.times)
+		np.set_printoptions(precision=6)
+		block_times= self.times[:,2]
+		self.block_times=block_times
+		# this was to drop the smallest and biggest values from the mean
+		# block_times.sort()
+		# self.block_times=block_times[1:-2]
+	def extract_flows_packets(self):
+		for i in range(len(self.blocks)):
+			# will hold number of packets per flow for this block
+			r={}
+			print >>self.log, "Block " + str(i)
+			print >>self.log, "---------------------"
+			first,last = self.blocks[i]
+			# +1 because our ranges are inclusive
+			packets = self.a[first:last+1]
+			for p in packets:
+				if p[self.c("is_seq")]==0:
+					continue
+				flow = int(p[self.c("subflow")])
+				if flow in r.keys():
+					r[flow]+=1
+				else:
+					r[flow]=1
+			self.packets_per_flow.append(r) 
+			print >>self.log, r
+			print >>self.log, "############################"
+		print >>self.log, "---------------------------------------------"
+		# now set values to 0 as needed for block that didn't send on some subflows
+		sublist = [ h.keys() for h in self.packets_per_flow]
+		all_subflows = list( set ( [item for sublist in self.packets_per_flow for item in sublist] ))
+		self.subflows= all_subflows
+		for h in self.packets_per_flow:
+			for f in all_subflows:
+				if not f in h.keys():
+					h[f]=0
+
+	def extract_flows_ratios(self):
+		# reset value
+		self.flows_ratios = []
+		# for each block compute the ratio
+		for count in self.packets_per_flow:
+			total_packets = sum(count.values())
+			h = {}
+			for s in self.subflows:
+				h[s]=count[s]/float(total_packets)
+			self.flows_ratios.append(h)
+
+
+	def find_ack_for_seq(self, seq, start_index):
+		i=start_index
+		while i<len(self.a):
+			# find ack packets
+			if self.a[i][self.c("is_seq")]==0:
+				if self.a[i][self.c("map_begin")]>seq:
+					return (i,self.a[i])
+			i=i+1
+		print "Did not find ack for:"
+		print "seq : " + str(seq)
+		return None
+
+	def find_biggest_seq_in_block(self, packets):
+		biggest_seq=-1
+		j=0
+		while j<len(packets):
+			if packets[j][self.c("is_seq")]==1:
+				if biggest_seq==-1:
+					biggest_seq=j
+				elif packets[j][self.c("map_begin")]>packets[biggest_seq][self.c("map_begin")]:
+					biggest_seq=j
+			j=j+1
+		print >>self.log, "biggest seq in block: " + str(packets[biggest_seq][self.c("map_end")])
+		return biggest_seq
+		
+	def __del__(self):
+		self.log.close()
+
+	def __str__(self):
+		s =   str(self.block_times) + "\nmean:\t" + str(self.block_times.mean()) +"\nstd:\t"+ str(self.block_times.std())
+		s+= "\nPackets per flow:\n"
+		s += str(self.packets_per_flow)
+		s+= "\nRatio of packets per flow:\n"
+		s += str(self.flows_ratios)
+		return s
+	def plot(self):
+		ratio1 = plt.plot([ h[1] for h in self.flows_ratios ] , label = "flow 1 ratio")
+		ratio2 = plt.plot([ h[2] for h in self.flows_ratios ] , label = "flow 2 ratio")
+		times  = plt.plot(self.block_times, label = 'block time' )
+		plt.legend(["ratio1", "ratio2", "times"])
+		plt.show()
diff --git a/src/mpIterator.py b/src/mpIterator.py
new file mode 100755
index 0000000..66697af
--- /dev/null
+++ b/src/mpIterator.py
@@ -0,0 +1,142 @@
+#!/usr/bin/python
+
+# apt-get install python-configglue
+
+import sys, getopt
+from mpXpRunner import MpXpRunner
+from mpTopo import MpTopo
+
+from shutil import copy
+import os
+from subprocess import call
+
+import datetime
+# currently all checkers and validations and defined in this file
+from mpValidations import *
+from mpBurstBlocks import *
+
+from yaml import load, dump
+
+from optparse import OptionParser
+
+
+# Define supported options
+parser = OptionParser()
+parser.add_option("-t", "--tests", dest="tests_dir",
+                  help="Directory holding tests", metavar="TESTSDIR" , default="./tests")
+parser.add_option("-l", "--logs", dest="logs_dir",
+                  help="Directory where to log", metavar="LOGSDIR" , default="./logs")
+parser.add_option("-r", "--repeat", dest="repeat", action="store_true",
+                  help="Reuse existing logs", metavar="REPEAT" , default=False)
+
+(options, args) = parser.parse_args()
+
+# initialise flags values
+tests_dir=options.tests_dir.rstrip("/")
+logs_dir=options.logs_dir.rstrip("/")
+repeat = options.repeat
+
+# take timestamp, used as subdirectory in logs_dir
+timestamp=datetime.datetime.now().isoformat()
+
+if repeat:
+	print "not implemented"
+	timestamp="2015-06-01T14:57:31.617534"
+#timestamp = "2015-05-26T15:42:45.419949"
+
+for test_name in [name for name in os.listdir(tests_dir) if os.path.isdir(os.path.join(tests_dir, name))]:
+	# initialise files defining the experience and test
+	test_dir =  tests_dir + "/" + test_name
+	xpFile = test_dir+"/xp"
+	topoFile = test_dir+"/topo"
+	validation_file=test_dir+"/validation.yml"
+	destDir=logs_dir+"/"+timestamp+"/"+test_name
+	if not os.path.exists(destDir):
+		os.makedirs(destDir)
+
+	print "Running " + test_dir
+	# run the experience
+	if not repeat:
+		MpXpRunner(MpTopo.mininetBuilder, topoFile, xpFile)
+
+	#copy xp, topo and validation to log
+	copy(topoFile,destDir) 
+	copy(xpFile,destDir) 
+	copy(validation_file,destDir) 
+	#copy log files
+        for l in ["client.pcap" ,"command.log" ,"upmc.log" ,"upms.log" ,"client.pcap" ,"netcat_server_0.log" ,"netcat_client_0.log"]:
+		copy(l,destDir) 
+
+	# Run validations
+	with open(validation_file, 'r') as f:
+		validations = load(f)
+	if validations!=None:
+		for k in validations["checkers"].keys():
+			# Identify checker class
+			name = k.title().replace("_","")+"Checker"
+			klass= globals()[name]
+			# instantiate checker with validations and test_name
+			checker = klass(validations["checkers"], test_name, destDir)
+			if checker.check():
+				print checker.logs
+			else:
+				print checker.logs
+		for k in validations["aggregators"]:
+			# Identify checker class
+			name = k.title().replace("_","")+"Aggregator"
+			klass= globals()[name]
+			# instantiate checker with validations and test_name
+			agg = klass(validations, test_name, destDir)
+			print agg
+
+
+
+
+
+
+#tcptrace_checker = TcptraceChecker(validations, t )
+#print "WILL VALIDATE"
+#tcptrace_checker.check()
+
+#for v  in validations["tcptrace"]:
+#	print dump(v)
+
+# /usr/local/bin/mptcptrace -f /tmp/dest/client.pcap -G20 -F3 -r7 -s -S -a
+
+
+
+# Here are functions that can be used to generate topo and xp files:
+#def write_entry(f, key, val):
+#	f.write("{}:{}\n".format(key,val))
+#	
+#def generateTopo():
+#	path="/tmp/topo"
+#	f=open(path,"w")
+#	# delay, queueSize (in packets), bw
+#	write_entry(f, "path_0", "10,15,5")
+#	write_entry(f, "path_1", "10,15,5")
+#	write_entry(f, "topoType", "MultiIf")
+#	f.close()
+#	return path
+#	
+#def generateXp():
+#	path="/tmp/xp"
+#	f=open(path,"w")
+#	write_entry(f, "xpType", "nc")
+#	write_entry(f, "kpm", "fullmesh")
+#	write_entry(f, "kpms", "netlink")
+#	write_entry(f, "kpmc", "netlink")
+#	write_entry(f, "upmc", "fullmesh")
+##	write_entry(f, "upmc_args", "-t 600000 -i 500 -c 7800")
+#	write_entry(f, "ddCount", "10000")
+#	write_entry(f, "clientPcap", "yes")
+#	write_entry(f, "ncClientPort_0", "0:33400")
+#	write_entry(f, "rmem","300000 300000 300000")
+#	f.close()
+#	return path
+
+#topoFile=generateTopo()
+#print(topoFile)
+#xpFile=generateXp()
+#print(xpFile)
+
diff --git a/src/mpMptcptraceData.py b/src/mpMptcptraceData.py
new file mode 100644
index 0000000..e69eaeb
--- /dev/null
+++ b/src/mpMptcptraceData.py
@@ -0,0 +1,47 @@
+#!/usr/bin/python
+
+
+from subprocess import check_call
+import csv
+
+from io import StringIO
+import re
+import os
+import numpy as np
+
+
+
+
+class MptcptraceData:
+	def __init__(self, pcap_file):
+		self.pcap_file=pcap_file
+                self.base_dir = os.path.dirname(pcap_file)
+                working_dir =  os.getcwd()
+
+                # generate CSVs
+                os.chdir(self.base_dir)
+                print self.base_dir
+                print os.getcwd()
+		check_call(["sudo" , "/usr/local/bin/mptcptrace" , "-f", os.path.basename(pcap_file) , "-G20",  "-F3",  "-r7",  "-s",  "-S", "-a", "-w2"])
+                os.chdir(working_dir)
+        # accessing the attribute corresponding to the filename will parse the csv and return its cells
+        def __getattr__(self, name):
+                csv_file = self.base_dir+"/"+name+".csv"
+                print "opening csv file " + csv_file
+                if os.path.isfile(csv_file):
+                        a = np.genfromtxt (csv_file, delimiter=",")
+                        setattr(self, name, a)
+                        return getattr(self,name)
+                else:
+                        raise AttributeError("No csv file for unknown attribute "+name)
+                
+
+	# gets cell corresponding to flow with header column 
+	# flow 0 = first one, from 1=subflows
+	def get_csv(self, name):
+                if hasattr(self,name):
+                        return getattr(self,name)
+                else:
+                        return self.__get_attr__(name)
+                
+
diff --git a/src/mpTcptraceData.py b/src/mpTcptraceData.py
new file mode 100755
index 0000000..99fb2da
--- /dev/null
+++ b/src/mpTcptraceData.py
@@ -0,0 +1,27 @@
+#!/usr/bin/python
+
+
+from subprocess import check_output
+import csv
+
+from io import StringIO
+import re
+import numpy as np
+
+
+
+
+class TcptraceData:
+	def __init__(self, pcap_file):
+		self.pcap_file=pcap_file
+		csv_content = check_output(["tcptrace", "-l", "--csv", pcap_file])
+		tcptrace_reader = csv.reader(filter(lambda l: len(l)>0 and l[0]!="#",csv_content.splitlines()))
+		cells=np.array(list(tcptrace_reader))
+		#drop header row
+		cells= cells[1:]
+		self.cells = cells
+		self.headers=cells[0]
+		self.flows=cells[1:]
+		self.number_of_flows=len(self.flows)
+	def get_csv(self, name):
+		return self.cells
diff --git a/src/mpValidations.py b/src/mpValidations.py
new file mode 100644
index 0000000..563fa99
--- /dev/null
+++ b/src/mpValidations.py
@@ -0,0 +1,174 @@
+
+
+from mpTcptraceData import *
+
+import numpy as np
+
+
+# to get a REPL:
+#import code
+#code.interact(local=locals()) 
+
+
+
+# A checker runs tests, and a test is made of multiple validations
+
+
+# For a validation, the value to compare to is the target value from the yaml
+# The validation takes place in the validate method, which takes
+# as argument a value from which to extract the value to compare or the value itself
+class Validation:
+	def __init__(self, yml):
+		if "target" in yml:
+			self.compared=yml["target"]
+		else:
+			self.compared=None
+	def name(self):
+		return self.__class__.__name__
+	def validate(self,value):
+		raise Exception("Method not implemented")
+	def setup(self):
+		raise Exception("Method not implemented")
+
+
+# checks a value passed is greater or equal (generic)
+class MinValueValidation(Validation):
+	def validate(self, value):
+		self.value = value
+		return self.compared<=value
+# checks a value passed is greater or equal (generic)
+class MaxValueValidation(Validation):
+	def validate(self, value):
+		self.value = value
+		return self.compared>=value
+# checks a value passed is greater or equal (generic)
+class ExactValueValidation(Validation):
+	def validate(self, value):
+		self.value = value
+		return self.compared==value
+
+
+# the method get_tested_value of the tester returns the value passed to validate.
+# the CsvTester returns an array of values
+class MinDifferenceValidation(Validation):
+	def validate(self, value):
+		v = value.flatten()
+		if len(v)>2:
+			raise Exception("MinDifferenceValidation requires 2 values maximum, not "+ str(len(v)))
+		self.value = float(v[1])-float(v[0])
+		return self.compared<=self.value
+class MinRowsValidation(Validation):
+	def validate(self, value):
+		self.value =  len(value)
+		return self.compared<=self.value
+class MaxRowsValidation(Validation):
+	def validate(self, value):
+		self.value =  len(value)
+		return self.compared>=self.value
+class ExactRowsValidation(Validation):
+	def validate(self, value):
+		self.value =  len(value)
+		return self.compared==self.value
+class MaxRatioValidation(Validation):
+	def validate(self, value):
+		v = value.flatten()
+		if len(v)>2:
+			raise Exception("MinDifferenceValidation requires 2 values maximum, not "+ str(len(v)))
+		self.value = float(v[1])/(float(v[0])+float(v[1]))
+		return self.compared>=self.value
+# validates all values passed have increasing values
+# it is the Tester's get_tested_value method that does the work
+# to extract the values list from the trace.
+class IncreasingValuesValidation(Validation):
+	def validate(self, values):
+		previous = 0
+		for i,v in enumerate(values.flatten()):
+			#print i, "{:10.6f}".format(previous), "{:10.6f}".format(v)
+			if v<previous:
+				self.value= "row " + str(i) # index of error row 
+				return False
+			else:
+				previous=v
+		return True
+
+
+
+class Tester:
+	def __init__(self, yml, trace):
+		self.yml = yml
+		self.trace = trace
+	# performs a validation found in the yml file.
+	def validate(self):
+		is_ok = True
+		self.logs = ""
+		for val in self.yml["validations"]:
+			tested_value = self.get_tested_value(val) 
+			klass_name=val["name"].title().replace("_","")+"Validation"
+			tester_klass=globals()[klass_name]
+			tester = tester_klass(val)
+			if "target" in val:
+				target=val["target"]
+			else:
+				target=None
+
+			try:
+				if tester.validate(tested_value):
+					self.logs=self.logs+ " " + "  OK  :" + val["desc"] +" - " + tester.name()+ " value : " + str(tester.value) + ("" if target==None else " vs target " + str(val["target"])) + "\n"
+				else:
+					self.logs=self.logs+ " " + "  FAIL:" + val["desc"] +" - " + tester.name()+ " value : " + str(tester.value) + ("" if target==None else " vs target " + str(val["target"])) + "\n"
+					is_ok = False
+			except Exception as e:
+				self.logs=self.logs+ ("" if self.logs=="" else "\n ")+ "  EXCP:" + val["desc"] +" - " + tester.name()+ " " + str(e) + "\n"
+		return is_ok
+	def name(self):
+		return self.__class__.__name__ 
+	def get_tested_value(self,yml):
+		raise Exception("Method not implemented")
+
+
+
+class CsvTest(Tester):
+	def get_tested_value(self, validation):
+		a =  self.trace.get_csv(self.yml["csv"])
+		if "rows" in self.yml:
+			a = a[self.yml["rows"]]
+		if "columns" in self.yml:
+			a = a[:,self.yml["columns"]]
+		return a
+
+
+class Checker:
+	def check(self):
+		is_ok = True
+		self.logs=self.test_id+"\n"
+		if self.yml!=None:
+			for test in self.yml:
+				name=test["test"].title().replace("_","")+"Test"
+				klass = globals()[name]
+				r = klass(test, self.trace)
+				if r.validate():
+					self.logs = self.logs + " *" + self.test_id + " " + r.name() + " SUCCESS\n"
+					self.logs = self.logs +  r.logs
+				else:
+					self.logs = self.logs + " *" + self.test_id + " " + r.name() + " FAIL\n"
+					self.logs = self.logs + r.logs
+
+# Runs tests based on tcptrace
+# It (in the method inherited from its parent class) instanciates the ...Test class passing it the TcptraceData instance
+class TcptraceChecker(Checker):
+	def __init__(self, yml, test_id, destDir):
+		self.yml = yml["tcptrace"]
+		self.trace = TcptraceData(destDir+"/client.pcap")
+		self.test_id = test_id
+
+from mpMptcptraceData import *
+
+# Runs tests based on mptcptrace
+# It (in the method inherited from its parent class) instanciates the ...Test class passing it the MptcptraceData instance
+class MptcptraceChecker(Checker):
+	def __init__(self, yml, test_id, destDir):
+		self.yml = yml["mptcptrace"]
+		self.trace = MptcptraceData(destDir+"/client.pcap")
+		self.test_id = test_id
+
+
diff --git a/src/tests/base/topo b/src/tests/base/topo
new file mode 100644
index 0000000..06cece4
--- /dev/null
+++ b/src/tests/base/topo
@@ -0,0 +1,9 @@
+desc:Simple configuration with two para link
+topoType:MultiIf
+leftSubnet:10.0.
+rightSubnet:10.1.
+#path_x:delay,queueSize(may be calc),bw
+path_0:10,10,5
+path_1:40,40,5
+path_2:30,30,2
+path_3:20,20,1
diff --git a/src/tests/base/validation.yml b/src/tests/base/validation.yml
new file mode 100644
index 0000000..d553524
--- /dev/null
+++ b/src/tests/base/validation.yml
@@ -0,0 +1,44 @@
+mptcptrace:
+  - test: "csv"
+    csv: "c2s_seq_1"
+    columns: 2
+    validations:
+      - name: "increasing_values"
+        desc: "dummy: check sequence numbers grow"
+tcptrace:
+  - test: "csv"
+    csv: "tcptrace"
+    rows: [0,1]
+    columns: [5]
+    validations:
+      - name: "min_difference"
+        target: 2
+        desc: "minimum difference of opening time"
+  - test: "csv"
+    csv: "tcptrace"
+    validations:
+      - name: "min_rows"
+        target: 2
+        desc: "minimum number of flows"
+      - name: "max_rows"
+        target: 5
+        desc: "minimum number of flows"
+      - name: "exact_rows"
+        target: 4
+        desc: "minimum number of flows"
+  - test: "csv"
+    csv: "tcptrace"
+    rows: [1,2]
+    columns: [5]
+    validations:
+      - name: "min_difference"
+        target: 2
+        desc: "minimum difference of opening time between flow 2 and 3"
+  - test: "csv"
+    csv: "tcptrace"
+    rows: [0,1]
+    columns: [7]
+    validations:
+      - name: "max_ratio"
+        target: 0.05
+        desc: "max ration of packet a->b on flow 1 compared to flow 0."
diff --git a/src/tests/base/xp b/src/tests/base/xp
new file mode 100644
index 0000000..3a15d5a
--- /dev/null
+++ b/src/tests/base/xp
@@ -0,0 +1,11 @@
+xpType:ncpv
+rmem:300000 300000 300000
+ncClientPort_0:33400
+clientPcap:yes
+pvRateLimit:600k
+ddCount:10000
+kpm:fullmesh
+kpms:netlink
+kpmc:netlink
+upmc:delayOpen
+upmc_args: -c 2000 -d