[spp] [PATCH 0/2] Add usecase for multi-node support

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* [spp] [PATCH 0/2] Add usecase for multi-node support
@ 2018-12-17 10:08 ogawa.yasufumi
  2018-12-17 10:08 ` [spp] [PATCH 1/2] docs: add image of multi-node usecase ogawa.yasufumi
  2018-12-17 10:08 ` [spp] [PATCH 2/2] docs: add " ogawa.yasufumi
  0 siblings, 2 replies; 3+ messages in thread
From: ogawa.yasufumi @ 2018-12-17 10:08 UTC (permalink / raw)
  To: ferruh.yigit, spp, ogawa.yasufumi

From: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>

Add a usecase for expalaining configuration of multiple nodes from SPP
CLI.

Yasufumi Ogawa (2):
  docs: add image of multi-node usecase
  docs: add multi-node usecase

 .../setup/use_cases/spp_multi_nodes_vhost.svg      | 1953 ++++++++++++++++++++
 docs/guides/setup/use_cases.rst                    |  172 ++
 2 files changed, 2125 insertions(+)
 create mode 100644 docs/guides/images/setup/use_cases/spp_multi_nodes_vhost.svg

-- 
2.7.4

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [spp] [PATCH 1/2] docs: add image of multi-node usecase
  2018-12-17 10:08 [spp] [PATCH 0/2] Add usecase for multi-node support ogawa.yasufumi
@ 2018-12-17 10:08 ` ogawa.yasufumi
  2018-12-17 10:08 ` [spp] [PATCH 2/2] docs: add " ogawa.yasufumi
  1 sibling, 0 replies; 3+ messages in thread
From: ogawa.yasufumi @ 2018-12-17 10:08 UTC (permalink / raw)
  To: ferruh.yigit, spp, ogawa.yasufumi

From: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>

Add an image of usecase for multi-node support in Use Cases section.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 .../setup/use_cases/spp_multi_nodes_vhost.svg      | 1953 ++++++++++++++++++++
 1 file changed, 1953 insertions(+)
 create mode 100644 docs/guides/images/setup/use_cases/spp_multi_nodes_vhost.svg

diff --git a/docs/guides/images/setup/use_cases/spp_multi_nodes_vhost.svg b/docs/guides/images/setup/use_cases/spp_multi_nodes_vhost.svg
new file mode 100644
index 0000000..bc16b82
--- /dev/null
+++ b/docs/guides/images/setup/use_cases/spp_multi_nodes_vhost.svg
@@ -0,0 +1,1953 @@
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-- 
2.7.4

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [spp] [PATCH 2/2] docs: add multi-node usecase
  2018-12-17 10:08 [spp] [PATCH 0/2] Add usecase for multi-node support ogawa.yasufumi
  2018-12-17 10:08 ` [spp] [PATCH 1/2] docs: add image of multi-node usecase ogawa.yasufumi
@ 2018-12-17 10:08 ` ogawa.yasufumi
  1 sibling, 0 replies; 3+ messages in thread
From: ogawa.yasufumi @ 2018-12-17 10:08 UTC (permalink / raw)
  To: ferruh.yigit, spp, ogawa.yasufumi

From: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>

Add usecase of multi-node in Use Case section.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 docs/guides/setup/use_cases.rst | 172 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)

diff --git a/docs/guides/setup/use_cases.rst b/docs/guides/setup/use_cases.rst
index 7cf143b..d768ea8 100644
--- a/docs/guides/setup/use_cases.rst
+++ b/docs/guides/setup/use_cases.rst
@@ -337,6 +337,8 @@ Create ``/tmp/sock0`` from ``nfv 1``.
     Add vhost:0.
 
 
+.. _usecase_unidir_l2fwd_vhost:
+
 Uni-Directional L2fwd with Vhost PMD
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -496,3 +498,173 @@ and watch received packets on pktgen.
     Start forwarding.
 
 After started forwarding, you can see that packet count is increased.
+
+
+Multiple Nodes
+--------------
+
+SPP provides multi-node support for configuring network across several nodes
+from SPP CLI. You can configure each of nodes step by step.
+
+In :numref:`figure_spp_multi_nodes_vhost`, there are four nodes on which
+SPP and service VMs are running. Host1 behaves as a patch panel for connecting
+between other nodes. A request is sent from a VM on host2 to a VM on host3 or
+host4. Host4 is a backup server for host3 and replaced with host3 by changing
+network configuration. Blue lines are paths for host3 and red lines are for
+host4, and changed alternatively.
+
+.. _figure_spp_multi_nodes_vhost:
+
+.. figure:: ../images/setup/use_cases/spp_multi_nodes_vhost.*
+   :width: 100%
+
+   Multiple nodes example
+
+Launch SPP on Multiple Nodes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Before SPP CLI, launch spp-ctl on each of nodes. You should give IP address
+with ``-b`` option to be accessed from outside of the node.
+This is an example for launching spp-ctl on host1.
+
+.. code-block:: console
+
+    # Launch on host1
+    $ python3 src/spp-ctl/spp-ctl -b 192.168.11.101
+
+You also need to launch it on host2, host3 and host4 in each of terminals.
+
+After all of spp-ctls are lauched, launch SPP CLI with four ``-b`` options
+for each of hosts. SPP CLI is able to be launched on any of nodes.
+
+.. code-block:: console
+
+    # Launch SPP CLI
+    $ python src/spp.py -b 192.168.11.101 \
+        -b 192.168.11.102 \
+        -b 192.168.11.103 \
+        -b 192.168.11.104 \
+
+If you succeeded to launch all of processes before, you can find them
+by running ``sever list`` command.
+
+.. code-block:: console
+
+    # Launch SPP CLI
+    spp > server list
+      1: 192.168.1.101:7777 *
+      2: 192.168.1.102:7777
+      3: 192.168.1.103:7777
+      4: 192.168.1.104:7777
+
+You might notice that first entry is marked with ``*``. It means that
+the current node under the management is the first node.
+
+Switch Nodes
+~~~~~~~~~~~~
+
+SPP CLI manages a node marked with ``*``. If you configure other nodes,
+change the managed node with ``server`` command.
+Here is an example to switch to third node.
+
+.. code-block:: console
+
+    # Launch SPP CLI
+    spp > server 3
+    Switch spp-ctl to "3: 192.168.1.103:7777".
+
+And the result after changed to host3.
+
+.. code-block:: console
+
+    spp > server list
+      1: 192.168.1.101:7777
+      2: 192.168.1.102:7777
+      3: 192.168.1.103:7777 *
+      4: 192.168.1.104:7777
+
+You can also confirm this change by checking IP address of spp-ctl from
+``status`` command.
+
+.. code-block:: console
+
+    spp > status
+    - spp-ctl:
+      - address: 192.168.1.103:7777
+    - primary:
+      - status: not running
+    ...
+
+Configure Patch Panel Node
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+First of all of the network configuration, setup blue lines on host1
+described in :numref:`figure_spp_multi_nodes_vhost`.
+You should confirm the managed server is host1.
+
+.. code-block:: console
+
+    spp > server list
+      1: 192.168.1.101:7777 *
+      2: 192.168.1.102:7777
+      ...
+
+Patch two sets of physical ports and start forwarding.
+
+.. code-block:: console
+
+    spp > nfv 1; patch phy:1 phy:2
+    Patch ports (phy:1 -> phy:2).
+    spp > nfv 1; patch phy:3 phy:0
+    Patch ports (phy:3 -> phy:0).
+    spp > nfv 1; forward
+    Start forwarding.
+
+Configure Service VM Nodes
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+It is almost similar as
+:ref:`Uni-Directional L2fwd with Vhost PMD<usecase_unidir_l2fwd_vhost>`.
+to setup for host2, host3, and host4.
+
+For host2, swith server to host2 and run nfv commands.
+
+.. code-block:: console
+
+    # switch to server 2
+    spp > server 2
+    Switch spp-ctl to "2: 192.168.1.102:7777".
+
+    # configure
+    spp > nfv 1; patch phy:0 vhost:0
+    Patch ports (phy:0 -> vhost:0).
+    spp > nfv 1; patch vhost:0 phy:1
+    Patch ports (vhost:0 -> phy:1).
+    spp > nfv 1; forward
+    Start forwarding.
+
+Then, swith to host3 and host4 for doing the same configuration.
+
+Change Path to Backup Node
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Finally, change path from blue lines to red lines.
+
+.. code-block:: console
+
+    # switch to server 1
+    spp > server 2
+    Switch spp-ctl to "2: 192.168.1.102:7777".
+
+    # remove blue path
+    spp > nfv 1; stop
+    Stop forwarding.
+    spp > nfv 1; patch reset
+
+    # configure red path
+    spp > nfv 2; patch phy:1 phy:4
+    Patch ports (phy:1 -> phy:4).
+    spp > nfv 2; patch phy:5 phy:0
+    Patch ports (phy:5 -> phy:0).
+    spp > nfv 2; forward
+    Start forwarding.
-- 
2.7.4

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