diff --git a/def/sortingCriteria.go b/def/sortingCriteria.go
new file mode 100644
index 0000000..fadf562
--- /dev/null
+++ b/def/sortingCriteria.go
@@ -0,0 +1,29 @@
+package def
+
+// Creating an enumeration of the resources in def.Task.
+var TaskResourceNames []string
+
+type SortCriteria int
+
+// Map a task's resource name to the sorting criteria (an integer corresponding to the enumeration).
+func resourceToSortCriteria(resourceName string) SortCriteria {
+	// Appending resourceName to TaskResourceNames.
+	TaskResourceNames = append(TaskResourceNames, resourceName)
+
+	// Considering index of resource in TaskResourceNames to be the int mapping.
+	return SortCriteria(len(TaskResourceNames) - 1)
+}
+
+func (sc SortCriteria) String() string {
+	return TaskResourceNames[int(sc)]
+}
+
+// Possible Sorting Criteria
+// Note: the value of the string passed as argument to resourceToSortCriteria() should be the same (case-sensitive)
+// 	as the name of the of the corresponding resource in the struct.
+var (
+	CPU = resourceToSortCriteria("CPU")
+	RAM = resourceToSortCriteria("RAM")
+	Watts = resourceToSortCriteria("Watts")
+	Instances = resourceToSortCriteria("Instances")
+)
diff --git a/def/taskUtils.go b/def/taskUtils.go
index 2b56be3..5dbeb4a 100644
--- a/def/taskUtils.go
+++ b/def/taskUtils.go
@@ -4,6 +4,7 @@ import (
 	"github.com/mdesenfants/gokmeans"
 	"sort"
 	"log"
+	"reflect"
 )
 
 // Information about a cluster of tasks
@@ -114,3 +115,17 @@ func labelAndOrder(clusters map[int][]Task, numberOfClusters int, taskObservatio
 	})
 	return sizedClusters
 }
+
+// Generic Task Sorter.
+// Be able to sort an array of tasks based on any of the tasks' resources.
+
+// Retrieve a sorter (same signature as 'Less' function in sort.Interface) for the given sorting criteria.
+func TaskSorter(sc SortCriteria, tasks []Task) func (i, j int) bool {
+	return func (i, j int) bool {
+		taskIFields := reflect.Indirect(reflect.ValueOf(tasks[i]))
+		tasksJFields := reflect.Indirect(reflect.ValueOf(tasks[j]))
+		resourceI := taskIFields.FieldByName(sc.String()).Float()
+		resourceJ := tasksJFields.FieldByName(sc.String()).Float()
+		return resourceI <= resourceJ
+	}
+}