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-rw-r--r--system/doc/oam/Makefile102
-rw-r--r--system/doc/oam/book.xml43
-rw-r--r--system/doc/oam/make.dep26
-rw-r--r--system/doc/oam/note.gifbin0 -> 1539 bytes
-rw-r--r--system/doc/oam/oam_intro.xml269
-rw-r--r--system/doc/oam/part.xml36
-rw-r--r--system/doc/oam/snmp_model_1.fig42
-rw-r--r--system/doc/oam/snmp_model_1.gifbin0 -> 2343 bytes
-rw-r--r--system/doc/oam/snmp_model_1.ps160
-rw-r--r--system/doc/oam/snmp_model_2.fig52
-rw-r--r--system/doc/oam/snmp_model_2.gifbin0 -> 2239 bytes
-rw-r--r--system/doc/oam/snmp_model_2.ps168
-rw-r--r--system/doc/oam/snmp_model_3.fig56
-rw-r--r--system/doc/oam/snmp_model_3.gifbin0 -> 3134 bytes
-rw-r--r--system/doc/oam/snmp_model_3.ps182
-rw-r--r--system/doc/oam/terminology.fig37
-rw-r--r--system/doc/oam/terminology.gifbin0 -> 1406 bytes
-rw-r--r--system/doc/oam/terminology.ps154
-rw-r--r--system/doc/oam/warning.gifbin0 -> 1498 bytes
-rw-r--r--system/doc/oam/xmlfiles.mk19
20 files changed, 1346 insertions, 0 deletions
diff --git a/system/doc/oam/Makefile b/system/doc/oam/Makefile
new file mode 100644
index 0000000000..e3288c9182
--- /dev/null
+++ b/system/doc/oam/Makefile
@@ -0,0 +1,102 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 1997-2009. All Rights Reserved.
+#
+# The contents of this file are subject to the Erlang Public License,
+# Version 1.1, (the "License"); you may not use this file except in
+# compliance with the License. You should have received a copy of the
+# Erlang Public License along with this software. If not, it can be
+# retrieved online at http://www.erlang.org/.
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# %CopyrightEnd%
+#
+include $(ERL_TOP)/make/target.mk
+include $(ERL_TOP)/make/$(TARGET)/otp.mk
+
+# ----------------------------------------------------
+# Application version
+# ----------------------------------------------------
+include $(ERL_TOP)/erts/vsn.mk
+#VSN=$(SYSTEM_VSN)
+
+APPLICATION=otp-system-documentation
+# ----------------------------------------------------
+# Release directory specification
+# ----------------------------------------------------
+RELSYSDIR = $(RELEASE_PATH)/doc/oam
+
+# ----------------------------------------------------
+# Target Specs
+# ----------------------------------------------------
+XML_PART_FILES = part.xml
+
+include xmlfiles.mk
+
+XML_CHAPTER_FILES=$(OAM_CHAPTER_FILES)
+
+TOPDOCDIR=..
+
+BOOK_FILES = book.xml
+
+GIF_FILES = \
+ snmp_model_1.gif \
+ snmp_model_2.gif \
+ snmp_model_3.gif \
+ terminology.gif
+
+XML_FILES = \
+ $(BOOK_FILES) $(XML_CHAPTER_FILES) \
+ $(XML_PART_FILES)
+# ----------------------------------------------------
+
+HTMLDIR = ../html/oam
+
+HTML_UG_FILE = $(HTMLDIR)/users_guide.html
+
+
+# ----------------------------------------------------
+# FLAGS
+# ----------------------------------------------------
+XML_FLAGS +=
+DVIPS_FLAGS +=
+
+# ----------------------------------------------------
+# Targets
+# ----------------------------------------------------
+$(HTMLDIR)/%.gif: %.gif
+ $(INSTALL_DATA) $< $@
+
+docs: html
+
+local_docs: PDFDIR=../../pdf
+
+html: $(HTML_UG_FILE) gifs
+
+gifs: $(GIF_FILES:%=$(HTMLDIR)/%)
+
+debug opt:
+
+clean clean_docs:
+ rm -rf $(HTMLDIR)
+ rm -f $(TOP_PDF_FILE) $(TOP_PDF_FILE:%.pdf=%.fo)
+ rm -f errs core *~
+
+# ----------------------------------------------------
+# Release Target
+# ----------------------------------------------------
+include $(ERL_TOP)/make/otp_release_targets.mk
+
+release_docs_spec: docs
+ $(INSTALL_DIR) $(RELSYSDIR)
+ $(INSTALL_DATA) $(GIF_FILES) $(HTMLDIR)/*.html \
+ $(RELSYSDIR)
+
+release_spec:
+
+
diff --git a/system/doc/oam/book.xml b/system/doc/oam/book.xml
new file mode 100644
index 0000000000..a2596b7fbe
--- /dev/null
+++ b/system/doc/oam/book.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="latin1" ?>
+<!DOCTYPE book SYSTEM "book.dtd">
+
+<book xmlns:xi="http://www.w3.org/2001/XInclude">
+ <header titlestyle="normal">
+ <copyright>
+ <year>1997</year><year>2009</year>
+ <holder>Ericsson AB. All Rights Reserved.</holder>
+ </copyright>
+ <legalnotice>
+ The contents of this file are subject to the Erlang Public License,
+ Version 1.1, (the "License"); you may not use this file except in
+ compliance with the License. You should have received a copy of the
+ Erlang Public License along with this software. If not, it can be
+ retrieved online at http://www.erlang.org/.
+
+ Software distributed under the License is distributed on an "AS IS"
+ basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ the License for the specific language governing rights and limitations
+ under the License.
+
+ </legalnotice>
+
+ <title>OAM Principles</title>
+ <prepared>Martin Bj&ouml;rklund</prepared>
+ <docno></docno>
+ <date></date>
+ <rev></rev>
+ <file></file>
+ </header>
+ <insidecover>
+ </insidecover>
+ <pagetext>OAM Principles</pagetext>
+ <preamble>
+ <contents level="2"></contents>
+ </preamble>
+ <parts lift="no">
+ <xi:include href="part.xml"/>
+ </parts>
+ <listofterms></listofterms>
+ <index></index>
+</book>
+
diff --git a/system/doc/oam/make.dep b/system/doc/oam/make.dep
new file mode 100644
index 0000000000..3694df9f1b
--- /dev/null
+++ b/system/doc/oam/make.dep
@@ -0,0 +1,26 @@
+# ----------------------------------------------------
+# >>>> Do not edit this file <<<<
+# This file was automaticly generated by
+# /home/otp/bin/docdepend
+# ----------------------------------------------------
+
+
+# ----------------------------------------------------
+# TeX files that the DVI file depend on
+# ----------------------------------------------------
+
+book.dvi: book.tex oam_intro.tex part.tex
+
+# ----------------------------------------------------
+# Source inlined when transforming from source to LaTeX
+# ----------------------------------------------------
+
+oam_intro.tex: ../../../system/doc/definitions/term.defs
+
+# ----------------------------------------------------
+# Pictures that the DVI file depend on
+# ----------------------------------------------------
+
+book.dvi: snmp_model_1.ps snmp_model_2.ps snmp_model_3.ps \
+ terminology.ps
+
diff --git a/system/doc/oam/note.gif b/system/doc/oam/note.gif
new file mode 100644
index 0000000000..6fffe30419
--- /dev/null
+++ b/system/doc/oam/note.gif
Binary files differ
diff --git a/system/doc/oam/oam_intro.xml b/system/doc/oam/oam_intro.xml
new file mode 100644
index 0000000000..bd7369b84c
--- /dev/null
+++ b/system/doc/oam/oam_intro.xml
@@ -0,0 +1,269 @@
+<?xml version="1.0" encoding="latin1" ?>
+<!DOCTYPE chapter SYSTEM "chapter.dtd">
+
+<chapter>
+ <header>
+ <copyright>
+ <year>1997</year><year>2009</year>
+ <holder>Ericsson AB. All Rights Reserved.</holder>
+ </copyright>
+ <legalnotice>
+ The contents of this file are subject to the Erlang Public License,
+ Version 1.1, (the "License"); you may not use this file except in
+ compliance with the License. You should have received a copy of the
+ Erlang Public License along with this software. If not, it can be
+ retrieved online at http://www.erlang.org/.
+
+ Software distributed under the License is distributed on an "AS IS"
+ basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ the License for the specific language governing rights and limitations
+ under the License.
+
+ </legalnotice>
+
+ <title>Introduction</title>
+ <prepared>Martin Bj&ouml;rklund</prepared>
+ <docno></docno>
+ <date>1997-11-01</date>
+ <rev>A</rev>
+ <file>oam_intro.xml</file>
+ </header>
+ <p>The operation and maintenance support in OTP consists of a
+ generic model for management subsystems in OTP, and some
+ components to be used in these subsystems. This document
+ describes the model.
+ </p>
+ <p>The main idea in the model is that it is management protocol
+ independent. Thus, it is not tied to any specific management
+ protocol. An API is defined which can be used to write
+ adaptations for specific management protocols.
+ </p>
+ <p>Each OAM component in OTP is implemented as one sub application,
+ which can be included in a management application for the system.
+ Note that such a complete management application is not in the
+ scope of this generic functionality. Examples illustrating how such an
+ application can be built are included however.
+ </p>
+
+ <section>
+ <title>Terminology</title>
+ <p>The protocol independent architectural model on the network
+ level is the well-known <term id="Manager-Agent model"><termdef>Client-Server model for management operations</termdef></term>. This model is based on the client-server
+ principle, where the manager (client) sends <term id="requests"><termdef>A request is sent from a manager to an agent when it accesses management information.</termdef></term>to the
+ agent (server), the agent sends <term id="replies"><termdef>A reply is sent from the agent as a response to a request from a manager.</termdef></term>back to the manager. There are two main
+ differences to the normal client-server model. First, there are
+ usually a few managers that communicate with many agents; and
+ second, the agent may spontaneously send <term id="notifications"><termdef>A notification is sent spontaneously from an agent to a manager, e.g. an alarm.</termdef></term>to the
+ manager. The picture below illustrates the idea.</p>
+ <image file="../oam/terminology.gif">
+ <icaption>Terminology</icaption>
+ </image>
+ <p>The manager is often referred to as the <term id="NMS"></term>, to
+ emphasize that it usually is realized as a program that presents
+ data to an operator.
+ </p>
+ <p>The agent is an entity that executes within a <term id="NE"></term>.
+ In OTP, the network element may be a distributed system, meaning
+ that the distributed system is managed as one entity. Of
+ course, the agent may be configured to be able to run on one of
+ several nodes, making it a distributed OTP application.
+ </p>
+ <p>The management information is defined in an <term id="MIB"></term>.
+ It is a formal definition of which information the agent makes
+ available to the manager. The manager accesses the MIB through
+ a management protocol, such as SNMP, CMIP, HTTP or CORBA. Each
+ of these protocols have their own MIB definition language. In
+ SNMP, it is a subset of ASN.1, in CMIP it is GDMO, in HTTP it is
+ implicit, and using CORBA, it is IDL. Usually, the entities
+ defined in the MIB are called <term id="MO"></term>, although these
+ objects do not have to be objects in the OO way,for example, a simple
+ scalar variable defined in an MIB is called a Managed Object.
+ The Managed Objects are logical objects, not necessarily with a
+ one-to-one mapping to the resources.
+ </p>
+ </section>
+
+ <section>
+ <title>Model</title>
+ <p>In this section, the generic protocol independent model for use
+ within an OTP based network element is presented. This model is
+ used by all operation and maintenance components, and may be
+ used by the applications. The advantage of the model is that it
+ clearly separates the resources from the management protocol.
+ The resources do not need to be aware of which management
+ protocol is used to manage the system. This makes it possible
+ to manage the same resources with different protocols.
+ </p>
+ <p>The different entities involved in this model are the <term id="agent"></term>which terminates the management protocol, and the
+ <term id="resources"></term>which is to be managed, i.e. the actual
+ application entities. The resources should in general have no
+ knowledge of the management protocol used, and the agent should
+ have no knowledge of the managed resources. This implies that
+ some sort of translation mechanism must be used, to translate
+ the management operations to operations on the resources. This
+ translation mechanism is usually called
+ <em>instrumentation</em>, and the function that implements it is
+ called <term id="instrumentation function"></term>. The
+ instrumentation functions are written for each combination of
+ management protocol and resource to be managed. For example, if
+ an application is to be managed by SNMP and HTTP, two sets of
+ instrumentation functions are defined; one that maps SNMP
+ requests to the resources, and one that e.g. generates an HTML
+ page for some resources.
+ </p>
+ <p>When a manager makes a request to the agent, we have the
+ following picture:</p>
+ <image file="../oam/snmp_model_1.gif">
+ <icaption>Request to an agent by a manager</icaption>
+ </image>
+ <p>Note that the mapping between instrumentation function and
+ resource is not necessarily 1-1. It is also possible to write
+ one instrumentation function for each resource, and use that
+ function from different protocols.
+ </p>
+ <p>The agent receives a request and maps this request to calls to
+ one or several instrumentation functions. The instrumentation
+ functions perform operations on the resources to implement the
+ semantics associated with the managed object.
+ </p>
+ <p>For example, a system that is managed with SNMP and HTTP may be
+ structured in the following way:</p>
+ <image file="../oam/snmp_model_2.gif">
+ <icaption>Structure of a system managed with SNMP and HTTP</icaption>
+ </image>
+ <p>The resources may send notifications to the manager as well.
+ Examples of notifications are events and alarms. There is a
+ need for the resource to generate protocol independent
+ notifications. The following picture illustrates how this is
+ achieved:</p>
+ <image file="../oam/snmp_model_3.gif">
+ <icaption>Notification handling</icaption>
+ </image>
+ <p>The main idea is that the resource sends the notfications as
+ Erlang terms to a dedicated <c>gen_event</c> process. Into this
+ process, handlers for the different management protocols are
+ installed. When an event is received by this process, it is
+ forwarded to each installed handler. The handlers are
+ responsible for translating the event into a notification to be
+ sent over the management protocol. For example, a handler for
+ SNMP would translate each event into an SNMP trap.
+ </p>
+ </section>
+
+ <section>
+ <title>SNMP based OAM</title>
+ <p>For all OAM components, SNMP adaptations are provided. Other
+ adaptations may be defined in the future.
+ </p>
+ <p>The OAM components, and some other OTP applications, define
+ SNMP MIBs. All these MIBs are written in SNMPv2 SMI syntax, as
+ defined in RFC1902. For convenience we also deliver the SNMPv1
+ SMI equivalent. All MIBs are designed to be v1/v2 compatible,
+ i.e. the v2 MIBs do not use any construct not available in v1.
+ </p>
+
+ <section>
+ <title>MIB structure</title>
+ <p>The top-level OTP MIB is called <c>OTP-REG</c>, and it is
+ included in the <c>sasl</c> application. All other OTP mibs
+ import some objects from this MIB.
+ </p>
+ <p>Each MIB is contained in one application. The MIB text files
+ are stored under <c><![CDATA[mibs/<MIB>.mib]]></c> in the application
+ directory. The generated <c>.hrl</c> files with constant
+ declarations are stored under <c><![CDATA[include/<MIB>.hrl]]></c>, and
+ the compiled MIBs are stored under
+ <c><![CDATA[priv/mibs/<MIB>.bin]]></c>. For example, the <c>OTP-MIB</c>
+ is included in the <c>sasl</c> application:
+ </p>
+ <code type="none">
+sasl-1.3/mibs/OTP-MIB.mib
+ include/OTP-MIB.hrl
+ priv/mibs/OTP-MIB.bin</code>
+ <p>An application that needs to IMPORT this mib into another
+ MIB, should use the <c>il</c> option to the snmp mib compiler:
+ </p>
+ <code type="none">
+snmp:c("MY-MIB", [{il, ["sasl/priv/mibs"]}]).</code>
+ <p>If the application needs to include the generated
+ <c>.hrl</c> file, it should use the <c>-include_lib</c>
+ directive to the Erlang compiler.
+ </p>
+ <code type="none">
+-module(my_mib).
+
+-include_lib("sasl/include/OTP-MIB.hrl").</code>
+ <p>The following MIBs are defined in the OTP system:
+ </p>
+ <taglist>
+ <tag>OTP-REG (sasl)</tag>
+ <item>
+ <p>This MIB contains the top-level OTP registration
+ objects, used by all other MIBs.
+ </p>
+ </item>
+ <tag>OTP-TC (sasl)</tag>
+ <item>
+ <p>This MIB contains the general Textual Conventions,
+ which can be used by any other MIB.
+ </p>
+ </item>
+ <tag>OTP-MIB (sasl)</tag>
+ <item>
+ <p>This MIB contains objects for instrumentation of the
+ Erlang nodes, the Erlang machines and the applications in
+ the system.
+ </p>
+ </item>
+ <tag>OTP-OS-MON-MIB (os_mon)</tag>
+ <item>
+ <p>This MIB contains objects for instrumentation of disk,
+ memory and cpu usage of the nodes in the system.
+ </p>
+ </item>
+ <tag>OTP-SNMPEA-MIB (snmp)</tag>
+ <item>
+ <p>This MIB contains objects for instrumentation and
+ control of the extensible snmp agent itself. Note that
+ the agent also implements the standard SNMPv2-MIB (or v1
+ part of MIB-II, if SNMPv1 is used).
+ </p>
+ </item>
+ <tag>OTP-EVA-MIB (eva)</tag>
+ <item>
+ <p>This MIB contains objects for instrumentation and
+ control of the events and alarms in the system.
+ </p>
+ </item>
+ <tag>OTP-LOG-MIB (eva)</tag>
+ <item>
+ <p>This MIB contains objects for instrumentation and
+ control of the logs and FTP transfer of logs.
+ </p>
+ </item>
+ <tag>OTP-EVA-LOG-MIB (eva)</tag>
+ <item>
+ <p>This MIB contains objects for instrumentation and
+ control of the events and alarm logs in the system.
+ </p>
+ </item>
+ <tag>OTP-SNMPEA-LOG-MIB (eva)</tag>
+ <item>
+ <p>This MIB contains objects for instrumentation and
+ control of the snmp audit trail log in the system.
+ </p>
+ </item>
+ </taglist>
+ <p>The different applications use different strategies for
+ loading the MIBs into the agent. Some MIB implementations are
+ code-only, while others need a server. One way, used by the
+ code-only mib implementations, is for the user to call a
+ function such as <c>otp_mib:init(Agent)</c> to load the MIB,
+ and <c>otp_mib:stop(Agent)</c> to unload the MIB. See the
+ application manual page for each application for a description
+ of how to load each MIB.
+ </p>
+ </section>
+ </section>
+</chapter>
+
diff --git a/system/doc/oam/part.xml b/system/doc/oam/part.xml
new file mode 100644
index 0000000000..8e3acb6e0d
--- /dev/null
+++ b/system/doc/oam/part.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="latin1" ?>
+<!DOCTYPE part SYSTEM "part.dtd">
+
+<part xmlns:xi="http://www.w3.org/2001/XInclude">
+ <header>
+ <copyright>
+ <year>1997</year><year>2009</year>
+ <holder>Ericsson AB. All Rights Reserved.</holder>
+ </copyright>
+ <legalnotice>
+ The contents of this file are subject to the Erlang Public License,
+ Version 1.1, (the "License"); you may not use this file except in
+ compliance with the License. You should have received a copy of the
+ Erlang Public License along with this software. If not, it can be
+ retrieved online at http://www.erlang.org/.
+
+ Software distributed under the License is distributed on an "AS IS"
+ basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ the License for the specific language governing rights and limitations
+ under the License.
+
+ </legalnotice>
+
+ <title>OAM Principles</title>
+ <prepared>Martin Bj&ouml;rklund</prepared>
+ <responsible></responsible>
+ <docno></docno>
+ <approved></approved>
+ <checked></checked>
+ <date>1997-11-01</date>
+ <rev>A</rev>
+ <file></file>
+ </header>
+ <xi:include href="oam_intro.xml"/>
+</part>
+
diff --git a/system/doc/oam/snmp_model_1.fig b/system/doc/oam/snmp_model_1.fig
new file mode 100644
index 0000000000..ab5ec76eaf
--- /dev/null
+++ b/system/doc/oam/snmp_model_1.fig
@@ -0,0 +1,42 @@
+#FIG 3.1
+Portrait
+Center
+Inches
+1200 2
+2 2 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 5
+ 3900 2850 5625 2850 5625 3600 3900 3600 3900 2850
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+ 1500 2850 3225 2850 3225 3600 1500 3600 1500 2850
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+ 2775 1500 4575 1500 4575 2325 2775 2325 2775 1500
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+4 0 -1 0 0 0 12 0.0000 4 135 1110 1875 3300 Instrumentation\001
+4 0 -1 0 0 0 12 0.0000 4 135 1110 4200 3300 Instrumentation\001
+4 0 -1 0 0 0 12 0.0000 4 135 360 2025 4575 Res1\001
+4 0 -1 0 0 0 12 0.0000 4 135 345 3450 525 NET\001
+4 0 -1 0 0 0 12 0.0000 4 180 435 3375 1950 Agent\001
+4 0 -1 0 0 0 12 0.0000 4 135 330 6825 600 flow\001
+4 0 -1 0 0 0 12 0.0000 4 135 360 3825 4575 Res2\001
+4 0 -1 0 0 0 12 0.0000 4 135 360 5475 4575 Res3\001
+4 0 -1 0 0 0 12 0.0000 4 135 240 1500 2175 NE\001
diff --git a/system/doc/oam/snmp_model_1.gif b/system/doc/oam/snmp_model_1.gif
new file mode 100644
index 0000000000..cf44d0fcc4
--- /dev/null
+++ b/system/doc/oam/snmp_model_1.gif
Binary files differ
diff --git a/system/doc/oam/snmp_model_1.ps b/system/doc/oam/snmp_model_1.ps
new file mode 100644
index 0000000000..1e4307cd09
--- /dev/null
+++ b/system/doc/oam/snmp_model_1.ps
@@ -0,0 +1,160 @@
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diff --git a/system/doc/oam/warning.gif b/system/doc/oam/warning.gif
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diff --git a/system/doc/oam/xmlfiles.mk b/system/doc/oam/xmlfiles.mk
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+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2009. All Rights Reserved.
+#
+# The contents of this file are subject to the Erlang Public License,
+# Version 1.1, (the "License"); you may not use this file except in
+# compliance with the License. You should have received a copy of the
+# Erlang Public License along with this software. If not, it can be
+# retrieved online at http://www.erlang.org/.
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# %CopyrightEnd%
+#
+OAM_CHAPTER_FILES = oam_intro.xml
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