Shared networks to support VNF high availability across OpenStack multi-region deployment
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Joe HuangFollow
Jun. 27, 2017•0 likes•1,409 views
Shared networks to support VNF high availability across OpenStack multi-region deployment
Jun. 27, 2017•0 likes•1,409 views
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Even now with all the advances to provide high level of resiliency in hardware and software components, it’s possible to have some failures. Those failures are undesirable for Enterprises and they are constantly looking for solutions which tolerate unexpected events to offer steady and unbroken services. Cloud computing solutions are not the exception. One way to achieve that is segregating the Cloud deployment in different regions. For most of enterprise applications use stateful architectures, which means that they're constantly synchronizing their status among different instances. How to provide continuously service in case of a cloud failure happens? During this presentation we will demonstrate how to architect an OpenStack multi-region solution through the existing official OpenStack projects like Neutron and Tricircle, demonstrate and compare the pros. and cons. of different tenant level L2/L3 networking topology across OpenStack clouds.
Joe HuangFollow
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Shared networks to support VNF high availability across OpenStack multi-region deployment
- 2. Shared Networks to Support VNF High Availability Across OpenStack Multi Region Deployment
- 3. Speakers Chaoyi Huang OpenStack Tricircle PTL: https://wiki.openstack.org/wiki/Tricircle OPNFV Multisite PTL: https://wiki.opnfv.org/display/multisite/ Multisite Valentin Boucher OPNFV Functest committer: https://wiki.opnfv.org/display/functest OPNFV Multisite committer: https://wiki.opnfv.org/display/multisite Vikram Dham OPNFV OVN4NFV PTL: https://wiki.opnfv.org/display/PROJ/Ov n4nfv OPNFV Multisite Committer: https://wiki.opnfv.org/display/multisite/ Multisite
- 4. Agenda Lab introduction Video Conference in multisite vIMS in multisite How Tricricle help the networking
- 5. Lab introduction Laptop Laptop BeiJing LangFang DongGuang Huawei Cloud Open Lab
- 6. Lab introduction ( Chaoyi ) LangFang BeiJing HOST5 HOST1 Host3 OpenStack RegionOne OpenStack RegionThree OpenStack RegionTwo JITSI vIMS vIMS JITSI JITSI TricirclevIMS Mixed release environment Tricricle + Neutron Server: Pike release Three OpenStack clouds: Newton release
- 7. Multiparty Video Conference VNF
- 8. Multiparty Video Conference architecture
- 9. Jitsi Demo - Architecture
- 10. Why TriCircle for Jitsi? Secure logical L2 private network between Jitsi Controller and Jitsi Video Bridges
- 11. Multisite Jitsi Deployment using TriCircle
- 12. vIMS - Software Architecture MetaSwitch Clearwater IMS architecture before May 2017
- 13. vIMS - Demo Architecture
- 14. vIMS - Network Architecture +-----------------------+ +-----------------------+ +----------------------+ | ext-net1 | | ext-net2 | | ext-net3 | | +-------+ | | +-------+ | | +--+---+ | |RegionOne | | |RegionTwo | | | RegionThree | | | +---+---+ | | +---+---+ | | +----+--+ | | | R1 | | | | R2 | | | | R3 | | | +--+----+ | | +--+----+ | | +--+----+ | | | net1 | | | net2 | | net3 | | | +---+--+---+-+ | | +---+--+---+-+ | | ++-----+--+---+ | | | | | | | | | | | | | | +---------+-+ | | | +---------+-+ | | | | +--+--------+ | | |vIMS(non-HA| | | | | vIMS(HA) | | | | | | vIMS(HA) | | | +-----------+ | | | +-----------+ | | | | +-----------+ | | +----+--+ | | +----+--+ | | +-+-----+ | | | R4(1) | | | | R4(2) | | | | R4(3) | | | +-----+-+ | | +---+---+ | | +----+--+ | | | | | | | | | | +-----------------------+ +-----------------------+ +----------------------+ | bridge-net | | +------------------------+------------------+
- 15. vIMS - Limitation & Evolution Limitation : VNF support only 2 sites for the moment No HA for MANO component in the demo (but cloudify 4.0 support HA) Possible next steps : Support multisite into Functest/cloudify_ims test-case Support multisite/tricircle in ONAP
- 16. How Tricricle help the networking Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin Create cross Neutron logical network topology through central Neutron1
- 17. How Tricricle help the networking Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin Create cross Neutron logical network topology through central Neutron1 Boot VM in Nova 2 Boot VM in Nova 2
- 18. How Tricricle help the networking Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin Boot VM in Nova 2 Boot VM in Nova 2 33 Attach network Attach network
- 19. How Tricricle help the networking Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin Trigger networking automation Trigger networking automation4 4
- 20. How Tricricle help the networking Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin Create cross Neutron logical network topology through central Neutron1 Cross Neutron networking automation Cross Neutron networking automation XJOB ● Long duration networking automation job will be done by XJOB asynchronously ● Different SDN controller could be integrated as Neutron backend as ML2 driver or core plugin 55
- 21. L2 networking - Shadow Port, Shadow Agent, ARP Proxy Port1 Host1 Shadow Port2 Shadow Host2 Port2 Shadow Port1 Shadow Host1 Host2 Port1’s VTEP Port2’s VTEP Port2’s VTEP Port1’s VTEP Shadow Port: a virtual object to represent a port in another cloud Shadow Agent: a virtual object to represent VTEP of the shadow port, L2GW mode supported too. ARP Proxy: configure L2 Population and ARP responder to enable APR proxy in compute node to reduce MAC learning Cross Neutron L2 Network: VxLAN, VLAN, Flat supported.
- 22. How Shadow Agent, Shadow Port go to another cloud Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin 1.Port update, port1(host1)
- 23. How Shadow Agent, Shadow Port go to another cloud Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin 2.Port update, port1(host1, VTEP)
- 24. How Shadow Agent, Shadow Port go to another cloud Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin XJOB 3.save shadow agent 4. Trigger async. job to setup shadow port/agent
- 25. How Shadow Agent, Shadow Port go to another cloud Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin XJOB OpenStack(Region Three) 5. Create shadow port with VTEP info in profile
- 26. How Shadow Agent, Shadow Port go to another cloud Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin XJOB OpenStack(Region Three) 6. Create shadow agent/ port
- 27. How Shadow Agent, Shadow Port go to another cloud Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin XJOB OpenStack(Region Three) 7. update shadow port to up state
- 28. How Shadow Agent, Shadow Port go to another cloud Neutron Server Tricircle Nova Cinder Neutron Server OpenStack(Region One) Cinder Nova OpenStack(Region Two) Tricircle Central Neutron Plugin Tricircle Local Neutron Plugin Real Core Plugin Neutron Server Tricircle Local Neutron Plugin Real Core Plugin XJOB OpenStack(Region Three) 8. Call real core plugin for shadow port up. If L2-population is configured, L2pop happened. SDN Controller can be supported if it’s configured to the real core plugin
- 29. L3 networking - Shadow Port, Shadow Agent, ARP Proxy R R Shadow Port2 Gateway Port1 Gateway Port2 Shadow Port1 Bridge Network: a network used to connect routers in different cloud. VxLAN, VLAN, Flat supported Bridge Network
- 30. R R Site to site VPN or dedicated line for security Tenant1 Tenant Tenant level isolated L2/L3 networking Security and Isolation between clouds
- 31. Tricricle: networking elements Local network A network will only reside in one OpenStack cloud. Network type could be VLAN, VxLAN, Flat Local router A router will only reside in one OpenStack cloud Net1 Net2 R1 R2 Region One Region Two ● neutron net-create --availability-zone-hint RegionOne Net1 ● neutron net-create --availability-zone-hint RegionTwo Net2 ● neutron router-create --availability-zone-hint RegionOne R1 ● neutron router-create --availability-zone-hint RegionTwo R2 Neutron Server Tricircle Central Neutron Plugin
- 32. Tricricle: networking elements R3 R3 Region One Region Two ● neutron net-create --availability-zone-hint RegionOne -- availability-zone-hint RegionTwo Net3 ● neutron router-create --availability-zone-hint RegionOne -- availability-zone-hint RegionTwo R3Neutron Server Tricircle Central Neutron Plugin Net3 Bridge-Net R3 Cross Neutron L2 network A network can be presented in more than one OpenStack cloud. Network type could be VLAN, VxLAN, Flat Non local router A router can be presented in more than one OpenStack cloud Inter-connected via bridge network, could be VLAN, VxLAN or Flat.
- 33. Tricricle: typical networking topology +-----------------+ +-----------------+ |RegionOne | |RegionTwo | | | | | | phy_net1 | | phy_net2 | | +--+---------+ | | +--+---------+ | | | | | | | | | | | | | | +--+--------+ | | +--+--------+ | | | | | | | | | | | Instance1 | | | | Instance2 | | | +------+----+ | | +------+----+ | | | | | | | | | net1 | | | | +------+--------------------+---+ | | | | | +-----------------+ +-----------------+ +-----------------+ +-----------------+ | RegionOne | | RegionTwo | | ext_net1 | | ext_net2 | | +-----+-----+ | | +-----+-----+ | | | | | | | | +--+--+ | | +--+--+ | | | R1 | | | | R2 | | | +--+--+ | | +--+--+ | | | | | | | | +---+-+-+ | | +---+-+-+ | | net1 | | | net2 | | | +--------+--+ | | +--------+--+ | | | Instance1 | | | | Instance2 | | | +-----------+ | | +-----------+ | | | | net3 | | | +------+---------------------+----+ | | | | | +-----------------+ +-----------------+ Multiple North-South Gateways Instances plugged into cross Neutron L2 network Direct Provider Networks Instances plugged into cross Neutron L2 network Cross Neutron L2 network Cross Neutron L2 network
- 34. Tricricle: typical networking topology Centralized North-South Traffic with East- West L3 networking enabled Non local router Multi- North-South Gateways with East- West L3 networking enabled Non local router
- 35. Tricircle - downtime risk? If Tricircle and the central Neutron server are down, the existing networking and applications can still work, each OpenStack Neutron still run, only new network topology provisioning and topology change will be affected.
- 36. Document: https://docs.openstack.org/developer/tricircle/ Code navigate: https://wiki.openstack.org/wiki/TricircleHowToReadCode Wiki: https://wiki.openstack.org/wiki/Tricircle Code base: https://github.com/openstack/tricircle/ Learn, use and contribute
- 37. Thank You