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authorjoehuang <joehuang@huawei.com>2016-08-01 23:13:17 -0400
committerjoehuang <joehuang@huawei.com>2016-08-14 21:59:48 -0400
commit33355d51be256b7fde1fef42851296c803cc83c1 (patch)
treef8b1464141f400ad90ed903ad21fbafbfb3bdcab /docs/userguide/multisite-admin-user-guide.rst
parent1517bcbb10ee2e3a2e9830605093bb409261f294 (diff)
Add kingbird installation, configuration and user guide
Kingbird is a sub-project in multisite, and will be released as part of OPNFV Colorado release, add Kingbird installation , configuration and user guide to the Multisite repository, and in later patch includes them into OPNFV documentation. Change-Id: I3f8f3528c495f6f10bfa790763cc7c69017d7bdb Signed-off-by: joehuang <joehuang@huawei.com>
Diffstat (limited to 'docs/userguide/multisite-admin-user-guide.rst')
-rw-r--r--docs/userguide/multisite-admin-user-guide.rst35
1 files changed, 16 insertions, 19 deletions
diff --git a/docs/userguide/multisite-admin-user-guide.rst b/docs/userguide/multisite-admin-user-guide.rst
index a0e9b58..41f23c0 100644
--- a/docs/userguide/multisite-admin-user-guide.rst
+++ b/docs/userguide/multisite-admin-user-guide.rst
@@ -211,6 +211,7 @@ Cons:
* Need to be aware of the chanllenge of key distribution and rotation
for Fernet token.
+Note: PKI token will be deprecated soon, so Fernet token is encouraged.
Multisite VNF Geo site disaster recovery
========================================
@@ -262,14 +263,10 @@ The disater recovery process will work like this:
2) DR software boot VMs from bootable volumes from the remote Cinder in
the backup site and attach the regarding data volumes.
-Note: It’s up to the DR policy and VNF character how to use the API. Some
-VNF may allow the standby of the VNF or member of the cluster to do
-quiece/unquiece to avoid interfering the service provided by the VNF. Some
-other VNF may afford short unavailable for DR purpose.
-
-This option provides application level consistency disaster recovery.
-This feature is WIP in OpenStack Mitaka release, and will be avaialle in next
-OPNFV release.
+Note: Quiesce/Unquiesce spec was approved in Mitaka, but code not get merged in
+time, https://blueprints.launchpad.net/nova/+spec/expose-quiesce-unquiesce-api
+The spec was rejected in Newton when it was reproposed:
+https://review.openstack.org/#/c/295595/. So this option will not work any more.
Option2, Vitrual Machine Snapshot
---------------------------------
@@ -321,8 +318,7 @@ Cons:
* "Standard" support in Openstack for Disaster Recovery currently fairly
limited, though active work in this area.
-This feature is in discussion in OpenStack Mitaka release, and hopefully will
-be avaialle in next OPNFV release.
+Note: Volume replication v2.1 support project level replication.
VNF high availability across VIM
@@ -373,21 +369,22 @@ plane. There are some interesting/hard requirements on the networking (L2/L3)
between OpenStack instances, at lease the backup plane across different
OpenStack instances:
-1) Overlay L2 networking or shared L2 provider networks as the backup plane
- for heartbeat or state replication. Overlay L2 network is preferred, the
- reason is:
+1) Overlay L2 networking is prefered as the backup plane for heartbeat or state
+ replication, the reason is:
a) Support legacy compatibility: Some telecom app with built-in internal L2
network, for easy to move these app to virtualized telecom application, it
would be better to provide L2 network.
b) Support IP overlapping: multiple telecom applications may have
- overlapping IP address for cross OpenStack instance networking Therefore,
- over L2 networking across Neutron feature is required in OpenStack.
+ overlapping IP address for cross OpenStack instance networking.
+ Therefore over L2 networking across Neutron feature is required
+ in OpenStack.
2) L3 networking cross OpenStack instance for heartbeat or state replication.
- For L3 networking, we can leverage the floating IP provided in current
- Neutron, so no new feature requirement to OpenStack.
+ Can leverage FIP or vRouter inter-connected with overlay L2 network to
+ establish overlay L3 networking.
-Overlay L2 networking across OpenStack instances is in discussion with Neutron
-community.
+Note: L2 border gateway spec was merged in L2GW project:
+https://review.openstack.org/#/c/270786/. Code will be availabe in later
+release.