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authorramverma <ram.krishna.verma@ericsson.com>2018-07-31 18:25:39 +0100
committerramverma <ram.krishna.verma@ericsson.com>2018-07-31 18:27:31 +0100
commitaf74a6270d6ab6badf04a97495a6ef8ccded9b4b (patch)
tree2c7a536e54207a0870ca2008ce457a64de917ab9 /src/site-docs/adoc/fragments/apex-intro/upee-clustering.adoc
parent9e318f20f2e64970bf3c2e3a5532c516231a6f8a (diff)
Adding first set of apex-pdp document changes
Adding document changes for auth, context, core, model, services & the main apex-pdp module. Change-Id: Id0d026baa258f1dc6998978f9911f3c4a73b5b3b Issue-ID: POLICY-867 Signed-off-by: ramverma <ram.krishna.verma@ericsson.com>
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+//
+// ============LICENSE_START=======================================================
+// Copyright (C) 2016-2018 Ericsson. All rights reserved.
+// ================================================================================
+// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
+// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode
+//
+// SPDX-License-Identifier: CC-BY-4.0
+// ============LICENSE_END=========================================================
+//
+// @author Sven van der Meer (sven.van.der.meer@ericsson.com)
+//
+
+== Flexible Clustering
+
+APEX can be clustered in various ways.
+The following figure shows a few of these clustering options.
+Cluster, engine and (policy) executors are named UPec (universal policy cluster), UPe (universal policy engine, APEX engine) and UPx (universal policy executor, the APEX internal state machine executor).
+
+.APEX Clustering Options
+image::apex-intro/UpeeClusterOptions.png[APEX Clustering Options]
+
+[loweralpha]
+. Single source/target, single UPx
+ * Simple forward
+. Multiple sources/targets, single UPx
+ * Simple forward
+. Single source/target, multiple UPx
+ * Multithreading (MT) in UPe
+. Multiple sources/targets, multiple UPx instances
+ * Simple forward & MT in UPe
+. Multiple non-MT UPe in UPec
+ * Simple event routing
+. Multiple MT UPe in UPec
+ * Simple event routing
+. Mixed UPe in UPec
+ * Simple event routing
+. Multiple non-MT UPec in UPec
+ * Intelligent event routing
+. Multiple mixed UPec in UPec
+ * Intelligent event routing
+
+["loweralpha", start=11]
+. Mix of UPec in multiple UPec
+ * External intelligent event routing
+ * Optimized with UPec internal routing