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authorQiao Fu <fuqiao@chinamobile.com>2018-11-06 08:30:02 +0000
committerGerrit Code Review <gerrit@opnfv.org>2018-11-06 08:30:02 +0000
commit1fafe69f0b0c49d45e677506a922c2e5e70ad528 (patch)
tree7ac8bba249b46872a9b1fdde788b21405fefdb7b /docs/development/overview/HA_Analysis-Gambia.rst
parentdf6a5e66e337be208705130bbc3a2e3466bd9a93 (diff)
parent053a75d02fe1842ba3e2bc0d6b019e1cdc6a6123 (diff)
Merge "Gambia Release Doc"
Diffstat (limited to 'docs/development/overview/HA_Analysis-Gambia.rst')
-rw-r--r--docs/development/overview/HA_Analysis-Gambia.rst35
1 files changed, 16 insertions, 19 deletions
diff --git a/docs/development/overview/HA_Analysis-Gambia.rst b/docs/development/overview/HA_Analysis-Gambia.rst
index 46dc121..c5505b1 100644
--- a/docs/development/overview/HA_Analysis-Gambia.rst
+++ b/docs/development/overview/HA_Analysis-Gambia.rst
@@ -4,12 +4,9 @@
:alt: OPNFV
:align: left
-============
-High Availability Requirement Analysis in OPNFV
-============
******************
-1 Introduction
+Introduction
******************
This High Availability Requirement Analysis Document is used for eliciting High Availability
Requirements of OPNFV. The document will refine high-level High Availability goals, into
@@ -19,7 +16,7 @@ scenarios design.
A requirement engineering model KAOS is used in this document.
******************
-2 Terminologies and Symbols
+Terminologies and Symbols
******************
The following concepts in KAOS will be used in the diagrams of this document.
@@ -56,10 +53,10 @@ Figure 1 shows how these concepts are displayed in a KAOS diagram.
Fig 1. A KAOS Sample Diagram
******************
-3 High Availability Goals of OPNFV
+High Availability Goals of OPNFV
******************
-3.1 Overall Goals
+Overall Goals
>>>>>>>>>>>>>>>>>>
The Final Goal of OPNFV High Availability is to provide high available VNF services. And the
@@ -75,7 +72,7 @@ following objectives are required to meet:
-3.2 Service Level Agreements of OPNFV HA
+Service Level Agreements of OPNFV HA
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Service Level Agreements of OPNFV HA are mainly focused on time constraints of service outage,
@@ -98,7 +95,7 @@ default benchmark value required to meet.
******************
-4 Overall Analysis
+Overall Analysis
******************
Figure 2 shows the overall decomposition of high availability goals. The high availability of
VNF Services can be refined to high availability of VNFs, MANO, and the NFVI where VNFs are
@@ -137,20 +134,20 @@ document:
The next section will illustrate detailed analysis of HA requirements on these layers.
******************
-5 Detailed Analysis
+Detailed Analysis
******************
-5.1 VNF HA
+VNF HA
>>>>>>>>>>>>>>>>>>
.. TBD
-5.2 MANO HA
+MANO HA
>>>>>>>>>>>>>>>>>>
.. TBD
-5.3 Virtual Infrastructure HA
+Virtual Infrastructure HA
>>>>>>>>>>>>>>>>>>
The Virtual Infrastructure HA in OPNFV includes container HA and VM HA.
@@ -351,7 +348,7 @@ host or container.
-5.4 VIM HA
+VIM HA
>>>>>>>>>>>>>>>>>>
@@ -385,7 +382,7 @@ figure 7.
| General | Service Crash | The processes of a service crashed unnormally. | Critical |
+------------+------------------+-------------------------------------------------+----------------+
-.. figure:: images/VIM_Analysis.png
+.. figure:: images/fig7_VIM_Analysis.png
:alt: VIM HA Analysis
:figclass: align-center
@@ -640,24 +637,24 @@ follower Components regularly through Heatbeat.
**[Req 5.4.15]** When a Master Component in the Leader state crashed, an available Master Component
should be elected as Leader.
-5.5 Hypervisor HA
+Hypervisor HA
>>>>>>>>>>>>>>>>>>
.. TBD
-5.6 Host OS HA
+Host OS HA
>>>>>>>>>>>>>>>>>>
.. TBD
-5.7 Hardware HA
+Hardware HA
>>>>>>>>>>>>>>>>>>
.. TBD
******************
-6 References
+References
******************
- A KAOS Tutorial: http://www.objectiver.com/fileadmin/download/documents/KaosTutorial.pdf