diff --git a/src/blackgui/models/serverlistmodel.cpp b/src/blackgui/models/serverlistmodel.cpp
index 2687faa96..bb0ed559f 100644
--- a/src/blackgui/models/serverlistmodel.cpp
+++ b/src/blackgui/models/serverlistmodel.cpp
@@ -21,7 +21,7 @@ namespace BlackGui
     namespace Models
     {
         CServerListModel::CServerListModel(QObject *parent) :
-            CListModelBase("ModelServerList", parent)
+            CListModelBase("ServerListModel", parent)
         {
             this->m_columns.addColumn(CColumn::standardString("name", CServer::IndexName));
             this->m_columns.addColumn(CColumn::standardString("description", CServer::IndexDescription));
@@ -31,12 +31,12 @@ namespace BlackGui
             this->m_columns.addColumn(CColumn::standardString("userid", { CServer::IndexUser, CUser::IndexId}));
 
             // force strings for translation in resource files
-            (void)QT_TRANSLATE_NOOP("ModelServerList", "name");
-            (void)QT_TRANSLATE_NOOP("ModelServerList", "description");
-            (void)QT_TRANSLATE_NOOP("ModelServerList", "address");
-            (void)QT_TRANSLATE_NOOP("ModelServerList", "port");
-            (void)QT_TRANSLATE_NOOP("ModelServerList", "realname");
-            (void)QT_TRANSLATE_NOOP("ModelServerList", "userid");
+            (void)QT_TRANSLATE_NOOP("ServerListModel", "name");
+            (void)QT_TRANSLATE_NOOP("ServerListModel", "description");
+            (void)QT_TRANSLATE_NOOP("ServerListModel", "address");
+            (void)QT_TRANSLATE_NOOP("ServerListModel", "port");
+            (void)QT_TRANSLATE_NOOP("ServerListModel", "realname");
+            (void)QT_TRANSLATE_NOOP("ServerListModel", "userid");
         }
 
     } // class
diff --git a/src/blackgui/models/serverlistmodel.h b/src/blackgui/models/serverlistmodel.h
index 0e0fb87e2..8e5eef7c5 100644
--- a/src/blackgui/models/serverlistmodel.h
+++ b/src/blackgui/models/serverlistmodel.h
@@ -25,10 +25,9 @@ namespace BlackGui
     namespace Models
     {
         //! Server list model
-        class BLACKGUI_EXPORT CServerListModel : public CListModelBase<BlackMisc::Network::CServer, BlackMisc::Network::CServerList>
+        class BLACKGUI_EXPORT CServerListModel : public CListModelBase<BlackMisc::Network::CServer, BlackMisc::Network::CServerList, true>
         {
         public:
-
             //! Constructor
             explicit CServerListModel(QObject *parent = nullptr);
 
diff --git a/src/blackmisc/network/server.cpp b/src/blackmisc/network/server.cpp
index 7b612b924..da96d69bc 100644
--- a/src/blackmisc/network/server.cpp
+++ b/src/blackmisc/network/server.cpp
@@ -13,6 +13,7 @@
 #include "blackmisc/logcategorylist.h"
 #include "blackmisc/propertyindex.h"
 #include "blackmisc/statusmessage.h"
+#include "blackmisc/comparefunctions.h"
 #include "blackmisc/variant.h"
 
 #include <Qt>
@@ -28,12 +29,17 @@ namespace BlackMisc
         QString CServer::convertToQString(bool i18n) const
         {
             QString s(this->m_name);
-            s.append(" ").append(this->m_description);
-            s.append(" ").append(this->m_address);
-            s.append(" ").append(QString::number(this->m_port));
-            s.append(" ").append(this->m_user.toQString(i18n));
-            s.append(" ").append(boolToYesNo(this->m_isAcceptingConnections));
-            s.append(" ").append(this->m_fsdSetup.toQString(i18n));
+            s.append(' ').append(this->m_description);
+            s.append(' ').append(this->m_address);
+            s.append(' ').append(QString::number(this->m_port));
+            s.append(' ').append(this->m_user.toQString(i18n));
+            s.append(' ').append(boolToYesNo(this->m_isAcceptingConnections));
+            s.append(' ').append(this->m_fsdSetup.toQString(i18n));
+
+            if (this->isConnected())
+            {
+                s.append(" connected: ").append(this->getFormattedUtcTimestampHms());
+            }
             return s;
         }
 
@@ -65,6 +71,11 @@ namespace BlackMisc
             return m_port > 0 && !m_address.isEmpty();
         }
 
+        bool CServer::isConnected() const
+        {
+            return this->m_timestampMSecsSinceEpoch >= 0;
+        }
+
         CStatusMessageList CServer::validate() const
         {
             static const CLogCategoryList cats(CLogCategoryList(this).join({ CLogCategory::validation()}));
@@ -79,10 +90,19 @@ namespace BlackMisc
             return msgs;
         }
 
+        QString CServer::getServerSessionId() const
+        {
+            if (!this->isConnected()) { return ""; }
+            const QString session("%1 %2:%3 %4 %5");
+            return session.arg(this->getName(), this->getAddress()).arg(this->getPort()).arg(this->getUser().getRealName(), this->getFormattedUtcTimestampHms());
+        }
+
         CVariant CServer::propertyByIndex(const BlackMisc::CPropertyIndex &index) const
         {
             if (index.isMyself()) { return CVariant::from(*this); }
-            ColumnIndex i = index.frontCasted<ColumnIndex>();
+            if (ITimestampBased::canHandleIndex(index)) { return ITimestampBased::propertyByIndex(index); }
+
+            const ColumnIndex i = index.frontCasted<ColumnIndex>();
             switch (i)
             {
             case IndexAddress:
@@ -107,7 +127,9 @@ namespace BlackMisc
         void CServer::setPropertyByIndex(const CPropertyIndex &index, const CVariant &variant)
         {
             if (index.isMyself()) { (*this) = variant.to<CServer>(); return; }
-            ColumnIndex i = index.frontCasted<ColumnIndex>();
+            if (ITimestampBased::canHandleIndex(index)) { ITimestampBased::setPropertyByIndex(index, variant); return; }
+
+            const ColumnIndex i = index.frontCasted<ColumnIndex>();
             switch (i)
             {
             case IndexAddress:
@@ -136,5 +158,33 @@ namespace BlackMisc
                 break;
             }
         }
+
+        int CServer::comparePropertyByIndex(const CPropertyIndex &index, const CServer &compareValue) const
+        {
+            if (index.isMyself()) { return this->getName().compare(compareValue.getName()); }
+            if (ITimestampBased::canHandleIndex(index)) { return ITimestampBased::comparePropertyByIndex(index, compareValue);}
+            const ColumnIndex i = index.frontCasted<ColumnIndex>();
+            switch (i)
+            {
+            case IndexAddress:
+                return this->getAddress().compare(compareValue.getAddress(), Qt::CaseInsensitive);
+            case IndexDescription:
+                return this->getDescription().compare(compareValue.getDescription(), Qt::CaseInsensitive);
+            case IndexFsdSetup:
+                return this->getFsdSetup().toQString().compare(compareValue.getFsdSetup().toQString());
+            case IndexName:
+                return this->getName().compare(compareValue.getName(), Qt::CaseInsensitive);
+            case IndexIsAcceptingConnections:
+                return Compare::compare(this->isAcceptingConnections(), compareValue.isAcceptingConnections());
+            case IndexPort:
+                return Compare::compare(this->getPort(), compareValue.getPort());
+            case IndexUser:
+                return this->getUser().comparePropertyByIndex(index.copyFrontRemoved(), compareValue.getUser());
+            default:
+                break;
+            }
+            Q_ASSERT_X(false, Q_FUNC_INFO, "No compare function");
+            return 0;
+        }
     } // namespace
 } // namespace
diff --git a/src/blackmisc/network/server.h b/src/blackmisc/network/server.h
index 31111c34e..cfb800141 100644
--- a/src/blackmisc/network/server.h
+++ b/src/blackmisc/network/server.h
@@ -18,6 +18,7 @@
 #include "blackmisc/network/fsdsetup.h"
 #include "blackmisc/propertyindex.h"
 #include "blackmisc/statusmessagelist.h"
+#include "blackmisc/timestampbased.h"
 #include "blackmisc/valueobject.h"
 #include "blackmisc/variant.h"
 
@@ -29,7 +30,9 @@ namespace BlackMisc
     namespace Network
     {
         //! Value object encapsulating information of a server
-        class BLACKMISC_EXPORT CServer : public CValueObject<CServer>
+        class BLACKMISC_EXPORT CServer :
+            public CValueObject<CServer>,
+            public BlackMisc::ITimestampBased
         {
         public:
             //! Properties by index
@@ -89,10 +92,10 @@ namespace BlackMisc
             //! Set port
             void setPort(int port) { m_port = port; }
 
-            //! Server is accepting connections (allows to disable server temporarily)
+            //! Server is accepting connections (allows to disable server temporarily or generally)
             bool isAcceptingConnections() const { return m_isAcceptingConnections; }
 
-            //! Set whether server is accepting connections (allows to disable server temporarily)
+            //! Set whether server is accepting connections (allows to disable server temporarily or generally)
             void setIsAcceptingConnections(bool value) { m_isAcceptingConnections = value; }
 
             //! Is valid for login?
@@ -107,15 +110,33 @@ namespace BlackMisc
             //! Set setup
             void setFsdSetup(const CFsdSetup &setup) { this->m_fsdSetup = setup; }
 
+            //! Connected since
+            QDateTime getConnectedSince() const { return this->getUtcTimestamp(); }
+
+            //! Mark as connected since now
+            void setConnectedSinceNow() { this->setCurrentUtcTime(); }
+
+            //! Mark as diconnected
+            void markAsDisconnected() { this->setTimestampToNull(); }
+
+            //! Is connected?
+            bool isConnected() const;
+
             //! Validate, provide details about issues
             BlackMisc::CStatusMessageList validate() const;
 
+            //! Identifying a session, if not connected empty
+            QString getServerSessionId() const;
+
             //! \copydoc BlackMisc::Mixin::Index::propertyByIndex
             CVariant propertyByIndex(const BlackMisc::CPropertyIndex &index) const;
 
             //! \copydoc BlackMisc::Mixin::Index::setPropertyByIndex
             void setPropertyByIndex(const BlackMisc::CPropertyIndex &index, const CVariant &variant);
 
+            //! Compare by index
+            int comparePropertyByIndex(const CPropertyIndex &index, const CServer &compareValue) const;
+
             //! \copydoc BlackMisc::Mixin::String::toQString()
             QString convertToQString(bool i18n = false) const;
 
@@ -126,7 +147,7 @@ namespace BlackMisc
             int       m_port = -1;
             CUser     m_user;
             CFsdSetup m_fsdSetup;
-            bool      m_isAcceptingConnections = true; //!< temp. disable server
+            bool      m_isAcceptingConnections = true; //!< disable server for connections
 
             BLACK_METACLASS(
                 CServer,
@@ -136,7 +157,8 @@ namespace BlackMisc
                 BLACK_METAMEMBER(port),
                 BLACK_METAMEMBER(user),
                 BLACK_METAMEMBER(fsdSetup),
-                BLACK_METAMEMBER(isAcceptingConnections)
+                BLACK_METAMEMBER(isAcceptingConnections),
+                BLACK_METAMEMBER(timestampMSecsSinceEpoch, 0, DisabledForJson | DisabledForComparison)
             );
         };
     } // namespace
diff --git a/src/blackmisc/timestampbased.cpp b/src/blackmisc/timestampbased.cpp
index 951b7d230..2ea238134 100644
--- a/src/blackmisc/timestampbased.cpp
+++ b/src/blackmisc/timestampbased.cpp
@@ -30,9 +30,15 @@ namespace BlackMisc
 
     QDateTime ITimestampBased::getUtcTimestamp() const
     {
+        if (this->m_timestampMSecsSinceEpoch < 0) { return QDateTime(); }
         return QDateTime::fromMSecsSinceEpoch(this->m_timestampMSecsSinceEpoch, Qt::UTC);
     }
 
+    void ITimestampBased::setTimestampToNull()
+    {
+        this->m_timestampMSecsSinceEpoch = -1;
+    }
+
     void ITimestampBased::setByYearMonthDayHourMinute(const QString &yyyyMMddhhmmsszzz)
     {
         // yyyy MM dd hh mm ss zzz
diff --git a/src/blackmisc/timestampbased.h b/src/blackmisc/timestampbased.h
index 51ad95cfe..4cd1fad35 100644
--- a/src/blackmisc/timestampbased.h
+++ b/src/blackmisc/timestampbased.h
@@ -44,6 +44,9 @@ namespace BlackMisc
         //! Timestamp as ms value
         qint64 getMSecsSinceEpoch() const { return m_timestampMSecsSinceEpoch; }
 
+        //! Set to null
+        void setTimestampToNull();
+
         //! Timestamp as ms value
         void setMSecsSinceEpoch(qint64 mSecsSinceEpoch) { m_timestampMSecsSinceEpoch = mSecsSinceEpoch; }
 
diff --git a/src/blackmisc/timestampobjectlist.cpp b/src/blackmisc/timestampobjectlist.cpp
index df82ef0d6..a54538921 100644
--- a/src/blackmisc/timestampobjectlist.cpp
+++ b/src/blackmisc/timestampobjectlist.cpp
@@ -20,6 +20,7 @@
 #include "blackmisc/simulation/distributorlist.h"
 #include "blackmisc/simulation/aircraftmodellist.h"
 #include "blackmisc/simulation/distributorlist.h"
+#include "blackmisc/simulation/matchingstatistics.h"
 #include "blackmisc/statusmessagelist.h"
 #include "blackmisc/timestampobjectlist.h"
 #include "blackmisc/predicates.h"
@@ -225,19 +226,20 @@ namespace BlackMisc
     // see here for the reason of thess forward instantiations
     // http://www.parashift.com/c++-faq/separate-template-class-defn-from-decl.html
     //! \cond PRIVATE
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CLivery, BlackMisc::Aviation::CLiveryList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CCountry, BlackMisc::CCountryList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CIdentifier, BlackMisc::CIdentifierList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CStatusMessage, BlackMisc::CStatusMessageList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftIcaoCode, BlackMisc::Aviation::CAircraftIcaoCodeList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftParts, BlackMisc::Aviation::CAircraftPartsList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAircraftSituation, BlackMisc::Aviation::CAircraftSituationList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAirlineIcaoCode, BlackMisc::Aviation::CAirlineIcaoCodeList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CAirport, BlackMisc::Aviation::CAirportList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Aviation::CLivery, BlackMisc::Aviation::CLiveryList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Db::CDbInfo, BlackMisc::Db::CDbInfoList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Network::CTextMessage, BlackMisc::Network::CTextMessageList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Simulation::CAircraftModel, BlackMisc::Simulation::CAircraftModelList>;
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Simulation::CDistributor, BlackMisc::Simulation::CDistributorList>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Network::CTextMessage, BlackMisc::Network::CTextMessageList>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CStatusMessage, BlackMisc::CStatusMessageList>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CIdentifier, BlackMisc::CIdentifierList>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CCountry, BlackMisc::CCountryList>;
+    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::Simulation::CMatchingStatisticsEntry, BlackMisc::Simulation::CMatchingStatistics>;
     //! \endcond
 
 } // namespace