diff --git a/library/sds_thread/inter_thread_communication/requests/sds_lifecycle_request.nim b/library/sds_thread/inter_thread_communication/requests/sds_lifecycle_request.nim
index 16ab116..58ca559 100644
--- a/library/sds_thread/inter_thread_communication/requests/sds_lifecycle_request.nim
+++ b/library/sds_thread/inter_thread_communication/requests/sds_lifecycle_request.nim
@@ -4,40 +4,55 @@ import chronos, chronicles, results, confutils, confutils/std/net
 import ../../../alloc
 
 type SdsLifecycleMsgType* = enum
-  CREATE_SDS
-  START_SDS
-  STOP_SDS
+  CREATE_RELIABILITY_MANAGER
 
 type SdsLifecycleRequest* = object
   operation: SdsLifecycleMsgType
-  configJson: cstring ## Only used in 'CREATE_NODE' operation
-  appCallbacks: AppCallbacks
+  channelId: cstring
 
 proc createShared*(
-    T: type SdsLifecycleRequest,
-    op: SdsLifecycleMsgType,
-    configJson: cstring = "",
-    appCallbacks: AppCallbacks = nil,
+    T: type SdsLifecycleRequest, op: SdsLifecycleMsgType, configJson: cstring = ""
 ): ptr type T =
   var ret = createShared(T)
   ret[].operation = op
-  ret[].appCallbacks = appCallbacks
-  ret[].configJson = configJson.alloc()
+  ret[].channelId = channelId.alloc()
   return ret
 
 proc destroyShared(self: ptr SdsLifecycleRequest) =
-  deallocShared(self[].configJson)
+  deallocShared(self[].channelId)
   deallocShared(self)
 
+proc createReliabilityManager(channelId: cstring): Result[ReliabilityManager, string] =
+  let channelId = $channelIdCStr
+  if channelId.len == 0:
+    error "Failed creating ReliabilityManager: Channel ID cannot be empty"
+    return err("Failed creating ReliabilityManager: Channel ID cannot be empty")
+
+  let rm = newReliabilityManager(channelId).valueOr:
+    error "Failed creating reliability manager", error = error
+    return err("Failed creating reliability manager: " & $error)
+
+  rm.onMessageReady = proc(msgId: MessageID) =
+    nimMessageReadyCallback(rm, msgId)
+  rm.onMessageSent = proc(msgId: MessageID) =
+    nimMessageSentCallback(rm, msgId)
+  rm.onMissingDependencies = proc(msgId: MessageID, deps: seq[MessageID]) =
+    nimMissingDependenciesCallback(rm, msgId, deps)
+  rm.onPeriodicSync = proc() =
+    nimPeriodicSyncCallback(rm)
+
+  return ok(rm)
+
 proc process*(
-    self: ptr SdsLifecycleRequest, waku: ptr Waku
+    self: ptr SdsLifecycleRequest, rm: ptr ReliabilityManager
 ): Future[Result[string, string]] {.async.} =
   defer:
     destroyShared(self)
 
   case self.operation
-  of CREATE_SDS: discard
-  of START_SDS: discard
-  of STOP_SDS: discard
+  of CREATE_RELIABILITY_MANAGER:
+    rm[] = (await createReliabilityManager(self.channelId)).valueOr:
+      error "CREATE_RELIABILITY_MANAGER failed", error = error
+      return err("error processing CREATE_RELIABILITY_MANAGER request: " & $error)
 
   return ok("")
diff --git a/library/sds_thread/inter_thread_communication/sds_thread_request.nim b/library/sds_thread/inter_thread_communication/sds_thread_request.nim
index be38fd6..64c908f 100644
--- a/library/sds_thread/inter_thread_communication/sds_thread_request.nim
+++ b/library/sds_thread/inter_thread_communication/sds_thread_request.nim
@@ -55,14 +55,13 @@ proc handleRes[T: string | void](
     )
   return
 
-# TODO: change waku for reliability manager or something like that
 proc process*(
-    T: type SdsThreadRequest, request: ptr SdsThreadRequest, waku: ptr Waku
+    T: type SdsThreadRequest, request: ptr SdsThreadRequest, rm: ptr ReliabilityManager
 ) {.async.} =
   let retFut =
     case request[].reqType
     of LIFECYCLE:
-      cast[ptr SdsLifecycleRequest](request[].reqContent).process(waku)
+      cast[ptr SdsLifecycleRequest](request[].reqContent).process(rm)
 
   handleRes(await retFut, request)
 
diff --git a/library/sds_thread/sds_thread.nim b/library/sds_thread/sds_thread.nim
index a8b141d..3cde969 100644
--- a/library/sds_thread/sds_thread.nim
+++ b/library/sds_thread/sds_thread.nim
@@ -23,7 +23,7 @@ proc runSds(ctx: ptr SdsContext) {.async.} =
   ## This is the worker body. This runs the SDS instance
   ## and attends library user requests (stop, connect_to, etc.)
 
-  var waku: Waku # TODO
+  var rm: ReliabilityManager
 
   while true:
     await ctx.reqSignal.wait()
@@ -43,7 +43,7 @@ proc runSds(ctx: ptr SdsContext) {.async.} =
       error "could not fireSync back to requester thread", error = fireRes.error
 
     ## Handle the request
-    asyncSpawn SdsThreadRequest.process(request, addr waku) # TODO
+    asyncSpawn SdsThreadRequest.process(request, addr rm)
 
 proc run(ctx: ptr SdsContext) {.thread.} =
   ## Launch sds worker