diff --git a/PPI/AnnotationRouter.hh b/PPI/AnnotationRouter.hh
index a186fd5eb5766cc3e008ff3fcddfab304738173f..2d331a803d1e690b306359fd8511e1812c8af2da 100644
--- a/PPI/AnnotationRouter.hh
+++ b/PPI/AnnotationRouter.hh
@@ -100,7 +100,7 @@ namespace module {
 
         struct DuplicateKeyException : public senf::Exception
         { DuplicateKeyException(AnnotationType const & key) 
-              : senf::Exception("Duplicate senf::ppi::module::AnnotationRouter routing key")
+              : senf::Exception("Duplicate senf::ppi::module::AnnotationRouter routing key ")
                 { append(boost::lexical_cast<std::string>(key)); } };
 
     private:
diff --git a/Packets/PacketData.cci b/Packets/PacketData.cci
index 9ea4cef8bfb859c67cc4ecf7c4205c0d0773cbf5..73719c55bee2becbdbeafc2356d7283958fe5b76 100644
--- a/Packets/PacketData.cci
+++ b/Packets/PacketData.cci
@@ -108,6 +108,17 @@ prefix_ void senf::PacketData::clear()
     impl().clear(this);
 }
 
+prefix_ void senf::PacketData::reserve(size_type n)
+{
+    impl().reserve(n + size() - impl().size());
+}
+
+prefix_ senf::PacketData::size_type senf::PacketData::capacity()
+    const
+{
+    return impl().capacity() - (impl().size() - size());
+}
+
 prefix_ bool senf::PacketData::valid()
 {
     return impl_;
diff --git a/Packets/PacketData.hh b/Packets/PacketData.hh
index 77602004a1cfe6be6e57510c9e619aa992b12145..05e5aa892b9d021110905d419ae9a836c6c50b8f 100644
--- a/Packets/PacketData.hh
+++ b/Packets/PacketData.hh
@@ -133,6 +133,9 @@ namespace senf {
         
         void resize(size_type n, byte v=0);
 
+        void reserve(size_type n);
+        size_type capacity() const;
+
         ///@}
 
     protected:
diff --git a/Packets/PacketImpl.cci b/Packets/PacketImpl.cci
index 1e0cad02d909e03366fe05e46a3c2ccf3660846d..4bd2bf31d34b328a6cd37b87e4925b41fa7ef6a2 100644
--- a/Packets/PacketImpl.cci
+++ b/Packets/PacketImpl.cci
@@ -175,6 +175,17 @@ prefix_ void senf::detail::PacketImpl::erase(PacketData * self, iterator first,
     updateIterators(self,ix,-delta);
 }
 
+prefix_ void senf::detail::PacketImpl::reserve(size_type n)
+{
+    data_.reserve(n);
+}
+
+prefix_ senf::detail::PacketImpl::size_type senf::detail::PacketImpl::capacity()
+    const
+{
+    return data_.capacity();
+}
+
 ///////////////////////////////////////////////////////////////////////////
 // senf::detail::PacketImpl::Guard
 
diff --git a/Packets/PacketImpl.hh b/Packets/PacketImpl.hh
index 1933949a3a9c06692e6544464c7c08e6db0c2b09..de52e40bb58b56b5d74a2fb1db910f2b9b22771a 100644
--- a/Packets/PacketImpl.hh
+++ b/Packets/PacketImpl.hh
@@ -183,6 +183,9 @@ namespace detail {
         void erase(PacketData * self, iterator first, iterator last);
         void clear(PacketData * self);
 
+        void reserve(size_type n);
+        size_type capacity() const;
+
         // Annotations
         template <class Annotation>
         Annotation & annotation();
diff --git a/Utils/Daemon/Daemon.cc b/Utils/Daemon/Daemon.cc
index 93bfba5428a85036f8d02e035121142f84181a03..6bd84ae4c785d4f434d998ce11b91198ac00fc22 100644
--- a/Utils/Daemon/Daemon.cc
+++ b/Utils/Daemon/Daemon.cc
@@ -89,7 +89,7 @@ prefix_ int senf::Daemon::argc()
     return argc_;
 }
 
-prefix_ char ** senf::Daemon::argv() 
+prefix_ char const ** senf::Daemon::argv() 
 {
     return argv_;
 }
@@ -107,7 +107,7 @@ namespace {
 
 prefix_ void senf::Daemon::removeDaemonArgs()
 {
-    char ** last (std::remove_if(argv_+1, argv_+argc_, IsDaemonOpt()));
+    char const ** last (std::remove_if(argv_+1, argv_+argc_, IsDaemonOpt()));
     *last = 0;
     argc_ = last - argv_;
 }
@@ -238,7 +238,7 @@ prefix_ void senf::Daemon::exit(unsigned code)
     throw DaemonExitException(code);
 }
 
-prefix_ int senf::Daemon::start(int argc, char ** argv)
+prefix_ int senf::Daemon::start(int argc, char const ** argv)
 {
     argc_ = argc;
     argv_ = argv;
diff --git a/Utils/Daemon/Daemon.hh b/Utils/Daemon/Daemon.hh
index 8747182f83cda8be099457463bdae93e780f44d8..e38a62c09b4ed6a5779df817e3344a2c65bb3707 100644
--- a/Utils/Daemon/Daemon.hh
+++ b/Utils/Daemon/Daemon.hh
@@ -157,7 +157,7 @@ namespace senf {
                                              successful startup. */
 
         int argc();                     ///< Access command line parameter count
-        char ** argv();                 ///< Access command line parameters
+        char const ** argv();           ///< Access command line parameters
         void removeDaemonArgs();        ///< Remove the daemon arguments from argc()/argv()
 
         static void exit(unsigned code=0); ///< Terminate daemon with failure
@@ -168,7 +168,7 @@ namespace senf {
 
         ///\}
         
-        int start(int argc, char ** argv); ///< Called from main() to launch daemon.
+        int start(int argc, char const ** argv); ///< Called from main() to launch daemon.
                                         /**< Normally not called directly but from the
                                              \ref SENF_DAEMON_MAIN macro. */
 
@@ -211,7 +211,7 @@ namespace senf {
         void installSighandlers();
 
         int argc_;
-        char ** argv_;
+        char const ** argv_;
 
         bool daemonize_;
         std::string stdoutLog_;
@@ -234,7 +234,7 @@ namespace senf {
         \ingroup process
      */
 #   define SENF_DAEMON_MAIN(klass)                                                                \
-        int main(int argc, char ** argv)                                                    \
+        int main(int argc, char const ** argv)                                                    \
         {                                                                                         \
             klass instance;                                                                       \
             return instance.start(argc, argv);                                                    \
diff --git a/Utils/Daemon/Daemon.test.cc b/Utils/Daemon/Daemon.test.cc
index 6d991c41e2e96dff103c3e2821eaa56035335d95..584761f42ac09b5ffb41960544a051c65fb08c90 100644
--- a/Utils/Daemon/Daemon.test.cc
+++ b/Utils/Daemon/Daemon.test.cc
@@ -73,7 +73,7 @@ namespace {
         }
     };
 
-    int myMain(int argc, char ** argv)
+    int myMain(int argc, char const ** argv)
     {
         MyDaemon instance;
         return instance.start(argc, argv);