diff --git a/src/mca/mpi/topo/base/base.h b/src/mca/mpi/topo/base/base.h
new file mode 100644
index 0000000000..b7d7f10d55
--- /dev/null
+++ b/src/mca/mpi/topo/base/base.h
@@ -0,0 +1,78 @@
+/*
+ * $HEADER$
+ */
+
+#ifndef MCA_TOPO_BASE_H
+#define MCA_TOPO_BASE_H
+
+#include "lam_config.h"
+#include "mpi.h"
+
+/*
+ * All stuff goes in here
+ */
+#if defined(c_plusplus) || defined(__cplusplus)
+extern "C" {
+#endif
+    int mca_topo_base_open(void);
+    int mca_topo_base_select(lam_list_t *selected,
+                             bool *allow_multi_user_threads,
+                             bool *have_hidden_threads);
+
+    const mca_topo_1_0_0_t *
+        mca_topo_unity_query(lam_comm_t *comm, int priority);
+    int mca_topo_base_close(void);
+
+    int mca_topo_base_init_comm (lam_comm_t *comm);
+    int mca_topo_base_get_param (lam_comm_t *comm, int keyval);
+
+    /*
+     * All the glue functions which we will provide to the users
+     * by default. The users need to only write back-end functions
+     * for graph_map() and cart_map() for their topology modules.
+     * But they can implement these glue functions if they want.
+     */
+    int topo_base_cart_coords (lam_comm_t *comm, int rank, int maxdims,
+                               int *coords);
+
+    int topo_base_cart_create (lam_comm_t *old_comm, int ndims, int *dims,
+                               int *peroids, int reorder, 
+                               lam_comm_t *comm_cart);
+
+    int topo_base_cartdim_get (lam_comm_t *comm, int *ndims);
+
+    int topo_base_cart_get (lam_comm_t *comm, int maxdims, int *dims,
+                            int *periods, int *coords);
+
+    int topo_base_cart_rank (lam_comm_t *comm, int *coords, int *rank);
+
+    int topo_base_cart_shift (lam_comm_t *comm, int direction, int disp,
+                              int *rank_source, int *rank_dest);
+
+    int topo_base_cart_sub (lam_comm_t *comm, int *remain_dims,
+                            lam_comm_t **new_comm);
+
+    int topo_base_graph_create (lam_comm_t *comm_old, int nnodes,
+                                int *index, int reorder,
+                                lam_comm_t **comm_graph);
+
+    int topo_base_graph_dims_get (lam_comm_t *comm, int *nodes,
+                                  int *nedges);
+
+    int topo_base_graph_get (lam_comm_t *comm, int maxindex, 
+                             int maxedges, int *index, int *edges);
+
+    int topo_base_graph_neighbors (lam_comm_t *comm, int rank,
+                                   int maxneighbors, int *neighbors);
+
+    int topo_base_graph_neighbors_count (lam_comm_t *comm, int rank,
+                                         int *nneighbors);
+
+
+/*
+ * Globals
+ */
+extern int mca_topo_base_output;
+extern lam_list_t mca_topo_base_modules_available;
+
+#endif /* MCA_BASE_TOPO_H */
diff --git a/src/mca/mpi/topo/base/topo_base_cart_coords.c b/src/mca/mpi/topo/base/topo_base_cart_coords.c
new file mode 100644
index 0000000000..413f6fff39
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_cart_coords.c
@@ -0,0 +1,5 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
diff --git a/src/mca/mpi/topo/base/topo_base_cart_create.c b/src/mca/mpi/topo/base/topo_base_cart_create.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_cart_create.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_cart_get.c b/src/mca/mpi/topo/base/topo_base_cart_get.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_cart_get.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_cart_rank.c b/src/mca/mpi/topo/base/topo_base_cart_rank.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_cart_rank.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_cart_shift.c b/src/mca/mpi/topo/base/topo_base_cart_shift.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_cart_shift.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_cart_sub.c b/src/mca/mpi/topo/base/topo_base_cart_sub.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_cart_sub.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_cartdim_get.c b/src/mca/mpi/topo/base/topo_base_cartdim_get.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_cartdim_get.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_close.c b/src/mca/mpi/topo/base/topo_base_close.c
new file mode 100644
index 0000000000..14321dbce1
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_close.c
@@ -0,0 +1,27 @@
+/*
+ * $HEADER$
+ */
+#include "lam_config.h"
+
+#include <stdio.h>
+
+#include "lam/constants.h"
+#include "mca/mca.h"
+#include "mca/lam/base/base.h"
+#include "mca/mpi/coll/coll.h"
+#include "mca/mpi/coll/base/base.h"
+
+int mca_topo_base_close(void) {
+    extern lam_list_t mca_topo_base_modules_available;
+
+    /*
+     * Close all the available modules
+     */
+    mca_base_modules_close (mca_topo_base_output,
+                            &mca_topo_base_modules_available, NULL);
+
+    /*
+     * All done
+     */
+    return LAM_SUCCESS;
+}
diff --git a/src/mca/mpi/topo/base/topo_base_graph_create.c b/src/mca/mpi/topo/base/topo_base_graph_create.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_graph_create.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_graph_dims_get.c b/src/mca/mpi/topo/base/topo_base_graph_dims_get.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_graph_dims_get.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_graph_get.c b/src/mca/mpi/topo/base/topo_base_graph_get.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_graph_get.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_graph_neighbor.c b/src/mca/mpi/topo/base/topo_base_graph_neighbor.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_graph_neighbor.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_graph_neighbors_count.c b/src/mca/mpi/topo/base/topo_base_graph_neighbors_count.c
new file mode 100644
index 0000000000..d072bea033
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_graph_neighbors_count.c
@@ -0,0 +1,6 @@
+/*
+ * $HEADER$
+ */
+
+#include "mca/topo/base/base.h"
+
diff --git a/src/mca/mpi/topo/base/topo_base_open.c b/src/mca/mpi/topo/base/topo_base_open.c
new file mode 100644
index 0000000000..7b50ce6c96
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_open.c
@@ -0,0 +1,40 @@
+/*
+ * $HEADER$
+ */
+#include "lam_config.h"
+
+#include <stdio.h>
+
+#include "mca/mca.h"
+#include "mca/lam/base/base.h"
+#include "mca/mpi/topo/base/base.h"
+
+/*
+ * The static-module.h is generated by the configure script. It contains
+ * statements and the definition of an array of pointers to each module's
+ * public mca_base_module_t struct.
+ */
+#include "mca/mpi/topo/base/static-modules.h"
+
+/*
+ * Global variables
+ */
+int mca_topo_base_output = -1;
+lam_list_t mca_topo_base_modules_available;
+
+/**
+ * Functions for finding and opening either all the MCA topo modules, or
+ * the one that specifically requested via a MCA parameter.
+ */
+int mca_topo_base_open(void) {
+    /*
+     * Open up all available modules 
+     */
+    if (LAM_SUCCESS !=
+           mca_base_modules_open("topo", 0, mca_topo_base_static_modules,
+                                 &mca_topo_base_modules_available)) {
+        return LAM_ERROR;
+    }
+
+    return LAM_SUCCESS;
+}
diff --git a/src/mca/mpi/topo/base/topo_base_select.c b/src/mca/mpi/topo/base/topo_base_select.c
new file mode 100644
index 0000000000..162ffa7541
--- /dev/null
+++ b/src/mca/mpi/topo/base/topo_base_select.c
@@ -0,0 +1,22 @@
+/*
+ * $HEADER$
+ */
+
+#include "lam_config.h"
+#include "mca/mca.h"
+#include "mca/mpi/topo/topo.h"
+#include "mca/mpi/topo/base/base.h"
+
+int mca_topo_base_select (lam_list_t *selected, 
+                          bool *allow_multi_user_thread,
+                          bool *have_hidden_threads) {
+
+    /*
+     * Nothing to be done as of now
+     */
+    *allow_multi_user_threads = true;
+    *have_hidden_threads = false;
+
+    return LAM_SUCCESS;
+}
+