diff --git a/src/osgEarthCesium/CesiumCreditsNode b/src/osgEarthCesium/CesiumCreditsNode
index dd65a6a612..ce7c435b0a 100644
--- a/src/osgEarthCesium/CesiumCreditsNode
+++ b/src/osgEarthCesium/CesiumCreditsNode
@@ -26,6 +26,7 @@
 #include <osg/Group>
 #include <osg/View>
 #include <osg/Texture2D>
+#include <CesiumUtility/CreditSystem.h>
 
 namespace osgEarth {
     namespace Cesium
@@ -35,7 +36,7 @@ namespace osgEarth {
         class OSGEARTHCESIUM_EXPORT CesiumCreditsNode : public osg::Group
         {
         public:
-            CesiumCreditsNode(osg::View* view);
+            CesiumCreditsNode(osg::View* view, CesiumUtility::CreditSystem* creditSystem);
             virtual void traverse(osg::NodeVisitor& nv);
             
 
@@ -51,6 +52,7 @@ namespace osgEarth {
             std::vector< std::string > _credits;
             osg::Camera* _camera;
             osg::observer_ptr< osg::View > _view;
+            std::shared_ptr< CesiumUtility::CreditSystem > _creditSystem;
         };
     }
 }
diff --git a/src/osgEarthCesium/CesiumCreditsNode.cpp b/src/osgEarthCesium/CesiumCreditsNode.cpp
index 6818516659..d09aeec0a5 100644
--- a/src/osgEarthCesium/CesiumCreditsNode.cpp
+++ b/src/osgEarthCesium/CesiumCreditsNode.cpp
@@ -144,11 +144,12 @@ namespace
     }
 }
 
-CesiumCreditsNode::CesiumCreditsNode(osg::View* view)
+CesiumCreditsNode::CesiumCreditsNode(osg::View* view, CesiumUtility::CreditSystem* creditSystem)
 {
     setNumChildrenRequiringUpdateTraversal(1);
 
     _view = view;
+    _creditSystem = std::shared_ptr< CesiumUtility::CreditSystem >(creditSystem);
 
     _camera = new osg::Camera;    
     _camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
@@ -165,15 +166,14 @@ CesiumCreditsNode::CesiumCreditsNode(osg::View* view)
 
 void CesiumCreditsNode::nextFrame()
 {
-    auto creditSystem = Context::instance().creditSystem;
-    creditSystem->startNextFrame();
+    _creditSystem->startNextFrame();
 }
 
 void CesiumCreditsNode::updateCredits()
 {
     std::vector< ParsedCredit > parsedCredits;
 
-    auto creditSystem = Context::instance().creditSystem;
+    auto creditSystem = _creditSystem;
     auto credits = creditSystem->getCreditsToShowThisFrame();
     for (auto& credit : credits)
     {
diff --git a/src/osgEarthCesium/CesiumIon b/src/osgEarthCesium/CesiumIon
index b7032f1bbb..fee4e93b61 100644
--- a/src/osgEarthCesium/CesiumIon
+++ b/src/osgEarthCesium/CesiumIon
@@ -23,12 +23,15 @@
 #define OSGEARTH_CESIUM_CESIUMION_H
 
 #include "Export"
-#include <vector>
+#include <map>
 #include <string>
+#include <vector>
+#include <memory>
 
 namespace osgEarth {
     namespace Cesium
     {
+        class Context;
         using namespace osgEarth;
 
         struct OSGEARTHCESIUM_EXPORT CesiumIonAsset
@@ -48,10 +51,19 @@ namespace osgEarth {
         {
         public:
             CesiumIon();
+            ~CesiumIon();
 
             void refresh();
 
+            static CesiumIon& instance();
+
+            Context* getContext(const std::string& server);
+            void shutdown();
+
             std::vector< CesiumIonAsset > assets;
+
+        private:
+            std::map< std::string, Context* > contexts;
         };
     }
 }
diff --git a/src/osgEarthCesium/CesiumIon.cpp b/src/osgEarthCesium/CesiumIon.cpp
index 59d11d7090..2ef41cf8d6 100644
--- a/src/osgEarthCesium/CesiumIon.cpp
+++ b/src/osgEarthCesium/CesiumIon.cpp
@@ -34,42 +34,78 @@ CesiumIon::CesiumIon()
     refresh();
 }
 
-void CesiumIon::refresh()
+CesiumIon::~CesiumIon()
 {
-    ApplicationData data;
-    data.authenticationMode = AuthenticationMode::SingleUser;
+    shutdown();
+}
 
-    Connection connection(Context::instance().asyncSystem, Context::instance().assetAccessor, getCesiumIonKey(), data);
+osgEarth::Cesium::CesiumIon& CesiumIon::instance()
+{
+    static CesiumIon s_cesiumIon;
+    return s_cesiumIon;
+}
 
-    bool loaded = false;
+void CesiumIon::shutdown()
+{
+    for (auto& c : contexts)
+    {
+        delete c.second;
+    }
+    contexts.clear();
+}
 
-    connection.assets().thenInMainThread([&](Response<Assets>&& result) {
-        assets.clear();
+Context* CesiumIon::getContext(const std::string& server)
+{
+    if (contexts.find(server) != contexts.end()) {
+        return contexts[server];
+    }
+    else {
+        Context* context = new Context();
 
-        loaded = true;
+        ApplicationData data;
+        data.authenticationMode = AuthenticationMode::SingleUser;
 
-        if (result.value.has_value())
-        {
-            for (auto& a : result.value->items)
+        context->connection = std::unique_ptr<Connection>(new Connection(context->asyncSystem, context->assetAccessor, getCesiumIonKey(), data, server));
+
+        contexts[server] = context;
+
+        bool loaded = false;
+
+        context->connection->assets().thenInMainThread([&](Response<Assets>&& result) {
+
+            loaded = true;
+
+            if (result.value.has_value())
             {
-                CesiumIonAsset asset;
-                asset.attribution = a.attribution;
-                asset.bytes = a.bytes;
-                asset.dateAdded = a.dateAdded;
-                asset.description = a.description;
-                asset.id = a.id;
-                asset.name = a.name;
-                asset.percentComplete = a.percentComplete;
-                asset.status = a.status;
-                asset.type = a.type;
-                assets.emplace_back(std::move(asset));
+                for (auto& a : result.value->items)
+                {
+                    CesiumIonAsset asset;
+                    asset.attribution = a.attribution;
+                    asset.bytes = a.bytes;
+                    asset.dateAdded = a.dateAdded;
+                    asset.description = a.description;
+                    asset.id = a.id;
+                    asset.name = a.name;
+                    asset.percentComplete = a.percentComplete;
+                    asset.status = a.status;
+                    asset.type = a.type;
+                    assets.emplace_back(std::move(asset));
+                }
             }
+        });
+
+        // Wait for the assets to be loaded.
+        while (!loaded)
+        {
+            context->asyncSystem.dispatchMainThreadTasks();
+            std::this_thread::sleep_for(std::chrono::milliseconds(10));
         }
-     });
 
-    // Wait for the assets to be loaded.
-    while (!loaded)
-    {
-        Context::instance().asyncSystem.dispatchMainThreadTasks();
-    }    
+        return context;
+    }
+}
+
+void CesiumIon::refresh()
+{
+
 }
\ No newline at end of file
diff --git a/src/osgEarthCesium/CesiumLayer b/src/osgEarthCesium/CesiumLayer
index 1a5e7e024c..cf329ac689 100644
--- a/src/osgEarthCesium/CesiumLayer
+++ b/src/osgEarthCesium/CesiumLayer
@@ -35,6 +35,7 @@ namespace osgEarth
             class OSGEARTHCESIUM_EXPORT Options : public VisibleLayer::Options {
             public:
                 META_LayerOptions(osgEarthCesium, Options, VisibleLayer::Options);
+                OE_OPTION(URI, server);
                 OE_OPTION(URI, url);
                 OE_OPTION(unsigned int, assetId);
                 OE_OPTION(std::string, token);
diff --git a/src/osgEarthCesium/CesiumLayer.cpp b/src/osgEarthCesium/CesiumLayer.cpp
index 4a26742dd4..feb3d70590 100644
--- a/src/osgEarthCesium/CesiumLayer.cpp
+++ b/src/osgEarthCesium/CesiumLayer.cpp
@@ -34,6 +34,7 @@ Config
 CesiumNative3DTilesLayer::Options::getConfig() const
 {
     Config conf = VisibleLayer::Options::getConfig();
+    conf.set("server", _server);
     conf.set("url", _url);
     conf.set("asset_id", _assetId);
     conf.set("token", _token);
@@ -47,8 +48,10 @@ CesiumNative3DTilesLayer::Options::getConfig() const
 void
 CesiumNative3DTilesLayer::Options::fromConfig(const Config& conf)
 {
+    _server.init("https://api.cesium.com/");
     _maximumScreenSpaceError.setDefault(16.0f);
     _forbidHoles.setDefault(false);
+    conf.get("server", _server);
     conf.get("url", _url);
     conf.get("asset_id", _assetId);
     conf.get("token", _token);
@@ -98,7 +101,7 @@ CesiumNative3DTilesLayer::openImplementation()
         {
             overlays.push_back(*_options->rasterOverlay());
         }
-        _tilesetNode = new CesiumTilesetNode(_options->url()->full(), token, *_options->maximumScreenSpaceError(), overlays);
+        _tilesetNode = new CesiumTilesetNode(_options->url()->full(), _options->server()->full(), token, *_options->maximumScreenSpaceError(), overlays);
     }
     else if (_options->assetId().isSet())
     {
@@ -107,7 +110,7 @@ CesiumNative3DTilesLayer::openImplementation()
         {
             overlays.push_back(*_options->rasterOverlay());
         }
-        _tilesetNode = new CesiumTilesetNode(*_options->assetId(), token, *_options->maximumScreenSpaceError(), overlays);
+        _tilesetNode = new CesiumTilesetNode(*_options->assetId(), _options->server()->full(), token, *_options->maximumScreenSpaceError(), overlays);
     }
 
     if (!_tilesetNode.valid())
diff --git a/src/osgEarthCesium/CesiumTilesetNode b/src/osgEarthCesium/CesiumTilesetNode
index 899b62b1e8..d13c8d0b3f 100644
--- a/src/osgEarthCesium/CesiumTilesetNode
+++ b/src/osgEarthCesium/CesiumTilesetNode
@@ -32,8 +32,8 @@ namespace osgEarth { namespace Cesium
     class OSGEARTHCESIUM_EXPORT CesiumTilesetNode : public osg::Group
     {
     public:
-        CesiumTilesetNode(unsigned int assetID, const std::string& token = "", float maximumScreenSpaceError = 16.0f, std::vector<int> overlays = std::vector<int>());
-        CesiumTilesetNode(const std::string& url, const std::string& token = "", float maximumScreenSpaceError = 16.0f, std::vector<int> overlays = std::vector<int>());
+        CesiumTilesetNode(unsigned int assetID, const std::string& server = "", const std::string& token = "", float maximumScreenSpaceError = 16.0f, std::vector<int> overlays = std::vector<int>());
+        CesiumTilesetNode(const std::string& url, const std::string& server = "", const std::string& token = "", float maximumScreenSpaceError = 16.0f, std::vector<int> overlays = std::vector<int>());
 
         ~CesiumTilesetNode();
 
diff --git a/src/osgEarthCesium/CesiumTilesetNode.cpp b/src/osgEarthCesium/CesiumTilesetNode.cpp
index dc9b813a54..80b34b01d4 100644
--- a/src/osgEarthCesium/CesiumTilesetNode.cpp
+++ b/src/osgEarthCesium/CesiumTilesetNode.cpp
@@ -21,6 +21,7 @@
 */
 #include "CesiumTilesetNode"
 #include "Context"
+#include "CesiumIon"
 #include "Settings"
 
 #include <osgEarth/Notify>
@@ -29,16 +30,18 @@
 
 using namespace osgEarth::Cesium;
 
-CesiumTilesetNode::CesiumTilesetNode(unsigned int assetID, const std::string& token, float maximumScreenSpaceError, std::vector<int> overlays)
+CesiumTilesetNode::CesiumTilesetNode(unsigned int assetID, const std::string& server, const std::string& token, float maximumScreenSpaceError, std::vector<int> overlays)
 { 
+    Context* context = CesiumIon::instance().getContext(server);
+
     Cesium3DTilesSelection::TilesetExternals externals{
-        Context::instance().assetAccessor, Context::instance().prepareRenderResources, Context::instance().asyncSystem, Context::instance().creditSystem, Context::instance().logger, nullptr
+        context->assetAccessor, context->prepareRenderResources, context->asyncSystem, context->creditSystem, context->logger, nullptr
     };
 
     Cesium3DTilesSelection::TilesetOptions options;    
     options.maximumScreenSpaceError = maximumScreenSpaceError;
     options.contentOptions.generateMissingNormalsSmooth = true;
-    Cesium3DTilesSelection::Tileset* tileset = new Cesium3DTilesSelection::Tileset(externals, assetID, token, options);
+    Cesium3DTilesSelection::Tileset* tileset = new Cesium3DTilesSelection::Tileset(externals, assetID, token, options, server);
 
     for (auto overlay: overlays)
     {
@@ -51,10 +54,12 @@ CesiumTilesetNode::CesiumTilesetNode(unsigned int assetID, const std::string& to
     setCullingActive(false);    
 }
 
-CesiumTilesetNode::CesiumTilesetNode(const std::string& url, const std::string& token, float maximumScreenSpaceError, std::vector<int> overlays)
+CesiumTilesetNode::CesiumTilesetNode(const std::string& url, const std::string& server, const std::string& token, float maximumScreenSpaceError, std::vector<int> overlays)
 {
+    Context* context = CesiumIon::instance().getContext(server);
+
     Cesium3DTilesSelection::TilesetExternals externals{
-        Context::instance().assetAccessor, Context::instance().prepareRenderResources, Context::instance().asyncSystem, Context::instance().creditSystem, Context::instance().logger, nullptr
+        context->assetAccessor, context->prepareRenderResources, context->asyncSystem, context->creditSystem, context->logger, nullptr
     };
 
     Cesium3DTilesSelection::TilesetOptions options;
@@ -64,7 +69,7 @@ CesiumTilesetNode::CesiumTilesetNode(const std::string& url, const std::string&
     for (auto overlay : overlays)
     {
         CesiumRasterOverlays::RasterOverlayOptions rasterOptions;
-        const auto ionRasterOverlay = new CesiumRasterOverlays::IonRasterOverlay("", overlay, token, rasterOptions);
+        const auto ionRasterOverlay = new CesiumRasterOverlays::IonRasterOverlay("", overlay, token, rasterOptions, server);
         tileset->getOverlays().add(ionRasterOverlay);
     }
     _tileset = tileset;
diff --git a/src/osgEarthCesium/Context b/src/osgEarthCesium/Context
index 3aec8eec8d..759ca82de0 100644
--- a/src/osgEarthCesium/Context
+++ b/src/osgEarthCesium/Context
@@ -23,7 +23,6 @@
 #define OSGEARTH_CESIUM_CONTEXT_H
 
 #include "CesiumTilesetNode"
-#include <CesiumGltf/Material.h>
 
 #include "AssetAccessor"
 #include "PrepareRenderResources"
@@ -33,9 +32,11 @@
 #include <CesiumGltfContent/GltfUtilities.h>
 #include <Cesium3DTilesContent/registerAllTileContentTypes.h>
 #include <CesiumGltf/AccessorView.h>
+#include <CesiumGltf/Material.h>
 #include <Cesium3DTilesSelection/Tileset.h>
 #include <CesiumRasterOverlays/IonRasterOverlay.h>
 #include <CesiumAsync/AsyncSystem.h>
+#include <CesiumIonClient/Connection.h>
 
 #include <glm/gtc/type_ptr.hpp>
 
@@ -51,20 +52,18 @@ namespace osgEarth {
         public:
 
             Context();
-
             ~Context();
 
             void shutdown();
 
-            static Context& instance();
-            
             std::shared_ptr< PrepareRendererResources > prepareRenderResources;
             std::shared_ptr<AssetAccessor> assetAccessor;
             std::shared_ptr<TaskProcessor> taskProcessor;
             std::shared_ptr< spdlog::logger > logger;
             std::shared_ptr< CesiumUtility::CreditSystem > creditSystem;
             CesiumAsync::AsyncSystem asyncSystem;
-            std::unique_ptr<Context> context;
+
+            std::unique_ptr< CesiumIonClient::Connection > connection;       
         };
     }
 }
diff --git a/src/osgEarthCesium/Context.cpp b/src/osgEarthCesium/Context.cpp
index b7fb944036..0653f0cfaf 100644
--- a/src/osgEarthCesium/Context.cpp
+++ b/src/osgEarthCesium/Context.cpp
@@ -40,6 +40,7 @@ Context::Context():
 
 Context::~Context()
 {
+    shutdown();
 }
 
 void Context::shutdown()
@@ -52,8 +53,3 @@ void Context::shutdown()
     asyncSystem.dispatchMainThreadTasks();
 }
 
-Context& Context::instance()
-{
-    static Context s_context;
-    return s_context;
-}
\ No newline at end of file
diff --git a/src/osgEarthCesium/Settings.cpp b/src/osgEarthCesium/Settings.cpp
index b0c3cee3c6..6af0b7eeb6 100644
--- a/src/osgEarthCesium/Settings.cpp
+++ b/src/osgEarthCesium/Settings.cpp
@@ -21,7 +21,7 @@
 */
 
 #include "Settings"
-#include "Context"
+#include "CesiumIon"
 
 // TODO:  Replace this with the default key from Cesium
 static std::string CESIUM_KEY = "";
@@ -57,5 +57,5 @@ void osgEarth::Cesium::setCesiumIonKey(const std::string& key)
 
 void osgEarth::Cesium::shutdown()
 {
-    Context::instance().shutdown();
+    CesiumIon::instance().shutdown();
 }
\ No newline at end of file