diff --git a/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/AnalysisProxyRequest.java b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/AnalysisProxyRequest.java
new file mode 100644
index 00000000..853aba70
--- /dev/null
+++ b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/AnalysisProxyRequest.java
@@ -0,0 +1,16 @@
+package com.odysseusinc.arachne.execution_engine_common.proxy;
+
+public class AnalysisProxyRequest {
+
+    private String type;
+
+    public String getType() {
+
+        return type;
+    }
+
+    public void setType(String type) {
+
+        this.type = type;
+    }
+}
diff --git a/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ElasticInstanceSettings.java b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ElasticInstanceSettings.java
new file mode 100644
index 00000000..5ab8b281
--- /dev/null
+++ b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ElasticInstanceSettings.java
@@ -0,0 +1,29 @@
+package com.odysseusinc.arachne.execution_engine_common.proxy;
+
+import java.util.List;
+
+public class ElasticInstanceSettings {
+
+    private InstanceSettings instanceSettings;
+    private List<String> supportedAnalysisTypes;
+
+    public InstanceSettings getInstanceSettings() {
+
+        return instanceSettings;
+    }
+
+    public void setInstanceSettings(InstanceSettings instanceSettings) {
+
+        this.instanceSettings = instanceSettings;
+    }
+
+    public List<String> getSupportedAnalysisTypes() {
+
+        return supportedAnalysisTypes;
+    }
+
+    public void setSupportedAnalysisTypes(List<String> supportedAnalysisTypes) {
+
+        this.supportedAnalysisTypes = supportedAnalysisTypes;
+    }
+}
diff --git a/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/FixedInstanceSettings.java b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/FixedInstanceSettings.java
new file mode 100644
index 00000000..e8cc7dae
--- /dev/null
+++ b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/FixedInstanceSettings.java
@@ -0,0 +1,16 @@
+package com.odysseusinc.arachne.execution_engine_common.proxy;
+
+public class FixedInstanceSettings {
+
+    private String url;
+
+    public String getUrl() {
+
+        return url;
+    }
+
+    public void setUrl(String url) {
+
+        this.url = url;
+    }
+}
diff --git a/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/InstanceSettings.java b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/InstanceSettings.java
new file mode 100644
index 00000000..6d0a60fe
--- /dev/null
+++ b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/InstanceSettings.java
@@ -0,0 +1,27 @@
+package com.odysseusinc.arachne.execution_engine_common.proxy;
+
+public class InstanceSettings {
+
+    private String imageId;
+    private String size;
+
+    public String getImageId() {
+
+        return imageId;
+    }
+
+    public void setImageId(String imageId) {
+
+        this.imageId = imageId;
+    }
+
+    public String getSize() {
+
+        return size;
+    }
+
+    public void setSize(String size) {
+
+        this.size = size;
+    }
+}
diff --git a/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ProxyMode.java b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ProxyMode.java
new file mode 100644
index 00000000..a6237ecd
--- /dev/null
+++ b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ProxyMode.java
@@ -0,0 +1,6 @@
+package com.odysseusinc.arachne.execution_engine_common.proxy;
+
+public enum ProxyMode {
+    FIXED,
+    ELASTIC
+}
diff --git a/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ProxySettings.java b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ProxySettings.java
new file mode 100644
index 00000000..f493e36e
--- /dev/null
+++ b/commons/src/main/java/com/odysseusinc/arachne/execution_engine_common/proxy/ProxySettings.java
@@ -0,0 +1,38 @@
+package com.odysseusinc.arachne.execution_engine_common.proxy;
+
+public class ProxySettings {
+
+    private ProxyMode mode;
+    private FixedInstanceSettings fixedInstanceSettings;
+    private ElasticInstanceSettings elasticInstanceSettings;
+
+    public ProxyMode getMode() {
+
+        return mode;
+    }
+
+    public void setMode(ProxyMode mode) {
+
+        this.mode = mode;
+    }
+
+    public FixedInstanceSettings getFixedInstanceSettings() {
+
+        return fixedInstanceSettings;
+    }
+
+    public void setFixedInstanceSettings(FixedInstanceSettings fixedInstanceSettings) {
+
+        this.fixedInstanceSettings = fixedInstanceSettings;
+    }
+
+    public ElasticInstanceSettings getElasticInstanceSettings() {
+
+        return elasticInstanceSettings;
+    }
+
+    public void setElasticInstanceSettings(ElasticInstanceSettings elasticInstanceSettings) {
+
+        this.elasticInstanceSettings = elasticInstanceSettings;
+    }
+}