CascadedPublishService cascadedPublishService = (CascadedPublishService) abstractService;
CascadedSC cascadedSC = cascadedPublishService.getCascadedSC();
// add server to subscription
tmpCascSCSubscription.setServer(cascadedSC);
ISubscriptionCallback callback = null;
if (cscSubscription == null) {
// cascaded SC not subscribed yet
callback = new SubscribeCommandCallback(request, response, responderCallback, tmpCascSCSubscription);
} else {
// subscribe is made by an active cascaded SC