diff --git a/src/flat_skiplist.c b/src/flat_skiplist.c
index 6b7a307..1a83dc5 100644
--- a/src/flat_skiplist.c
+++ b/src/flat_skiplist.c
@@ -364,6 +364,16 @@ int flat_skiplist_find_all(FlatSkiplist *sl, void *data, FlatSkiplistIterator *i
     return 0;
 }
 
+void *flat_skiplist_find_ge(FlatSkiplist *sl, void *data)
+{
+    FlatSkiplistNode *node;
+    node = flat_skiplist_get_first_larger_or_equal(sl, data);
+    if (node == sl->top) {
+        return NULL;
+    }
+    return node->data;
+}
+
 int flat_skiplist_find_range(FlatSkiplist *sl, void *start_data, void *end_data,
         FlatSkiplistIterator *iterator)
 {
diff --git a/src/flat_skiplist.h b/src/flat_skiplist.h
index 89421bb..4d0adc8 100644
--- a/src/flat_skiplist.h
+++ b/src/flat_skiplist.h
@@ -64,6 +64,7 @@ void *flat_skiplist_find(FlatSkiplist *sl, void *data);
 int flat_skiplist_find_all(FlatSkiplist *sl, void *data, FlatSkiplistIterator *iterator);
 int flat_skiplist_find_range(FlatSkiplist *sl, void *start_data, void *end_data,
         FlatSkiplistIterator *iterator);
+void *flat_skiplist_find_ge(FlatSkiplist *sl, void *data);
 
 static inline void flat_skiplist_iterator(FlatSkiplist *sl, FlatSkiplistIterator *iterator)
 {
diff --git a/src/multi_skiplist.c b/src/multi_skiplist.c
index 1cae4ab..82aae6c 100644
--- a/src/multi_skiplist.c
+++ b/src/multi_skiplist.c
@@ -406,6 +406,16 @@ int multi_skiplist_find_all(MultiSkiplist *sl, void *data,
     }
 }
 
+void *multi_skiplist_find_ge(MultiSkiplist *sl, void *data)
+{
+    MultiSkiplistNode *node;
+    node = multi_skiplist_get_first_larger_or_equal(sl, data);
+    if (node == sl->tail) {
+        return NULL;
+    }
+    return node->head->data;
+}
+
 int multi_skiplist_find_range(MultiSkiplist *sl, void *start_data, void *end_data,
         MultiSkiplistIterator *iterator)
 {
diff --git a/src/multi_skiplist.h b/src/multi_skiplist.h
index afc713d..3cf7acd 100644
--- a/src/multi_skiplist.h
+++ b/src/multi_skiplist.h
@@ -75,6 +75,7 @@ int multi_skiplist_find_all(MultiSkiplist *sl, void *data,
         MultiSkiplistIterator *iterator);
 int multi_skiplist_find_range(MultiSkiplist *sl, void *start_data, void *end_data,
         MultiSkiplistIterator *iterator);
+void *multi_skiplist_find_ge(MultiSkiplist *sl, void *data);
 
 static inline void multi_skiplist_iterator(MultiSkiplist *sl,
         MultiSkiplistIterator *iterator)
diff --git a/src/server_id_func.h b/src/server_id_func.h
index 75e5dff..9ed9235 100644
--- a/src/server_id_func.h
+++ b/src/server_id_func.h
@@ -83,6 +83,13 @@ typedef struct
     FCServerInfo *servers;
 } FCServerInfoArray;
 
+typedef struct
+{
+    int alloc;
+    int count;
+    FCServerInfo **servers;
+} FCServerInfoPtrArray;
+
 typedef struct
 {
     int count;
diff --git a/src/uniq_skiplist.c b/src/uniq_skiplist.c
index 885037c..a4d37e1 100644
--- a/src/uniq_skiplist.c
+++ b/src/uniq_skiplist.c
@@ -482,6 +482,17 @@ int uniq_skiplist_find_all(UniqSkiplist *sl, void *data,
     return 0;
 }
 
+void *uniq_skiplist_find_ge(UniqSkiplist *sl, void *data)
+{
+    UniqSkiplistNode *node;
+    node = uniq_skiplist_get_first_larger_or_equal(sl, data);
+    if (node == sl->factory->tail) {
+        return NULL;
+    }
+
+    return node->data;
+}
+
 int uniq_skiplist_find_range(UniqSkiplist *sl, void *start_data,
         void *end_data, UniqSkiplistIterator *iterator)
 {
diff --git a/src/uniq_skiplist.h b/src/uniq_skiplist.h
index a79ab10..b402f03 100644
--- a/src/uniq_skiplist.h
+++ b/src/uniq_skiplist.h
@@ -81,8 +81,10 @@ int uniq_skiplist_find_all(UniqSkiplist *sl, void *data,
         UniqSkiplistIterator *iterator);
 int uniq_skiplist_find_range(UniqSkiplist *sl, void *start_data,
         void *end_data, UniqSkiplistIterator *iterator);
+void *uniq_skiplist_find_ge(UniqSkiplist *sl, void *data);
 
-static inline void uniq_skiplist_iterator(UniqSkiplist *sl, UniqSkiplistIterator *iterator)
+static inline void uniq_skiplist_iterator(UniqSkiplist *sl,
+        UniqSkiplistIterator *iterator)
 {
     iterator->current = sl->top->links[0];
     iterator->tail = sl->factory->tail;