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diff --git a/docs/release/userguide/feature.usage.rst b/docs/release/userguide/feature.usage.rst index db47ea3..026ab21 100644 --- a/docs/release/userguide/feature.usage.rst +++ b/docs/release/userguide/feature.usage.rst @@ -2,34 +2,34 @@ .. http://creativecommons.org/licenses/by/4.0 .. (c) Bin Hu (AT&T) and Sridhar Gaddam (RedHat) -======================================= -Using IPv6 Feature of Euphrates Release -======================================= +==================================== +Using IPv6 Feature of Hunter Release +==================================== This section provides the users with gap analysis regarding IPv6 feature requirements with -OpenStack Ocata Official Release and Open Daylight Carbon Official Release. The gap analysis +OpenStack Rocky Official Release and Open Daylight Fluorine Official Release. The gap analysis serves as feature specific user guides and references when as a user you may leverage the IPv6 feature in the platform and need to perform some IPv6 related operations. -For more information, please find Neutron's IPv6 document for Ocata Release [1]_. +For more information, please find Neutron's IPv6 document for Rocky Release [1]_. ************************************** -IPv6 Gap Analysis with OpenStack Ocata +IPv6 Gap Analysis with OpenStack Rocky ************************************** This section provides users with IPv6 gap analysis regarding feature requirement with -OpenStack Neutron in Ocata Official Release. The following table lists the use cases / feature +OpenStack Neutron in Rocky Official Release. The following table lists the use cases / feature requirements of VIM-agnostic IPv6 functionality, including infrastructure layer and VNF -(VM) layer, and its gap analysis with OpenStack Neutron in Ocata Official Release. +(VM) layer, and its gap analysis with OpenStack Neutron in Rocky Official Release. Please **NOTE** that in terms of IPv6 support in OpenStack Neutron, there is no difference -between **Ocata** release and **Newton** release. +between **Rocky** release and prior, e.g. **Queens**, **Pike** and **Ocata**, release. .. table:: :class: longtable +-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+ - |Use Case / Requirement |Supported in Ocata |Notes | + |Use Case / Requirement |Supported in Rocky |Notes | +===========================================================+===================+====================================================================+ |All topologies work in a multi-tenant environment |Yes |The IPv6 design is following the Neutron tenant networks model; | | | |dnsmasq is being used inside DHCP network namespaces, while radvd | @@ -125,9 +125,9 @@ between **Ocata** release and **Newton** release. +-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+ |IPv6 Support in "Allowed Address Pairs" Extension |Yes | | +-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+ - |Support for IPv6 Prefix Delegation. |Yes |Partial support in Ocata | + |Support for IPv6 Prefix Delegation. |Yes |Partial support in Rocky | +-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+ - |Distributed Virtual Routing (DVR) support for IPv6 |**No** |In Ocata DVR implementation, IPv6 works. But all the IPv6 ingress/ | + |Distributed Virtual Routing (DVR) support for IPv6 |**No** |In Rocky DVR implementation, IPv6 works. But all the IPv6 ingress/ | | | |egress traffic is routed via the centralized controller node, i.e. | | | |similar to SNAT traffic. | | | |A fully distributed IPv6 router is not yet supported in Neutron. | @@ -149,78 +149,98 @@ between **Ocata** release and **Newton** release. |(keepalived+VRRP). | | | +-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+ -******************************************* -IPv6 Gap Analysis with Open Daylight Carbon -******************************************* +********************************************* +IPv6 Gap Analysis with Open Daylight Fluorine +********************************************* This section provides users with IPv6 gap analysis regarding feature requirement with -Open Daylight Carbon Official Release. The following table lists the use cases / feature +Open Daylight Fluorine Official Release. The following table lists the use cases / feature requirements of VIM-agnostic IPv6 functionality, including infrastructure layer and VNF -(VM) layer, and its gap analysis with Open Daylight Carbon Official Release. +(VM) layer, and its gap analysis with Open Daylight Fluorine Official Release. -**Open Daylight Carbon Status** +**Open Daylight Fluorine Status** -In Open Daylight Carbon official release, the legacy ``Old Netvirt`` identified by feature +In Open Daylight Fluorine official release, the legacy ``Old Netvirt`` identified by feature ``odl-ovsdb-openstack`` is deprecated and no longer supported. The ``New Netvirt`` identified by feature ``odl-netvirt-openstack`` is used. +Two new features are supported in Open Daylight Fluorine official release: + +* Support for advertising MTU info in IPv6 RAs +* IPv6 external connectivity for FLAT/VLAN based provider networks + .. table:: :class: longtable - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |Use Case / Requirement |Supported in ODL Carbon|Notes | - +==================================================+=======================+==============================================================+ - |REST API support for IPv6 subnet creation in ODL |Yes |Yes, it is possible to create IPv6 subnets in ODL using | - | | |Neutron REST API. | - | | | | - | | |For a network which has both IPv4 and IPv6 subnets, ODL | - | | |mechanism driver will send the port information which | - | | |includes IPv4/v6 addresses to ODL Neutron northbound API. | - | | |When port information is queried, it displays IPv4 and IPv6 | - | | |addresses. | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |IPv6 Router support in ODL: |Yes | | - | | | | - |1. Communication between VMs on same network | | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |IPv6 Router support in ODL: |Yes | | - | | | | - |2. Communication between VMs on different | | | - | networks connected to the same router | | | - | (east-west) | | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |IPv6 Router support in ODL: |**Work in Progress** |Work in progress. | - | | | | - |3. External routing (north-south) | | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |IPAM: Support for IPv6 Address assignment modes. |Yes |ODL IPv6 Router supports all the IPv6 Address assignment | - | | |modes along with Neutron DHCP Agent. | - |1. SLAAC | | | - |2. DHCPv6 Stateless | | | - |3. DHCPv6 Stateful | | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |When using ODL for L2 forwarding/tunneling, it is |Yes | | - |compatible with IPv6. | | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |Full support for IPv6 matching (i.e. IPv6, ICMPv6,|Yes | | - |TCP, UDP) in security groups. Ability to control | | | - |and manage all IPv6 security group capabilities | | | - |via Neutron/Nova API (REST and CLI) as well as | | | - |via Horizon | | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |Shared Networks support |Yes | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |IPv6 external L2 VLAN directly attached to a VM. |**ToDo** | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |ODL on an IPv6 only Infrastructure. |**Work in Progress** |Deploying OpenStack with ODL on an IPv6 only infrastructure | - | | |where the API endpoints are all IPv6 addresses. | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ - |VxLAN Tunnels with IPv6 Endpoints |Yes | | - +--------------------------------------------------+-----------------------+--------------------------------------------------------------+ + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |Use Case / Requirement |Supported in ODL Fluorine|Notes | + +==================================================+=========================+==============================================================+ + |REST API support for IPv6 subnet creation in ODL |Yes |Yes, it is possible to create IPv6 subnets in ODL using | + | | |Neutron REST API. | + | | | | + | | |For a network which has both IPv4 and IPv6 subnets, ODL | + | | |mechanism driver will send the port information which | + | | |includes IPv4/v6 addresses to ODL Neutron northbound API. | + | | |When port information is queried, it displays IPv4 and IPv6 | + | | |addresses. | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPv6 Router support in ODL: |Yes | | + | | | | + |1. Communication between VMs on same network | | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPv6 Router support in ODL: |Yes | | + | | | | + |2. Communication between VMs on different | | | + | networks connected to the same router | | | + | (east-west) | | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPv6 Router support in ODL: |**NO** |This feature is targeted for Flourine Release. | + | | |In ODL Fluorine Release, RFE "IPv6 Inter-DC L3 North-South | + |3. External routing (north-south) | |Connectivity Using L3VPN Provider Network Types" Spec [3]_ is | + | | |merged. But the code patch has not been merged yet. | + | | |On the other hand, "IPv6 Cluster Support" is available in | + | | |Fluorine Release [4]_. Basically, existing IPv6 features were | + | | |enhanced to work in a three node ODL Clustered Setup. | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPAM: Support for IPv6 Address assignment modes. |Yes |ODL IPv6 Router supports all the IPv6 Address assignment | + | | |modes along with Neutron DHCP Agent. | + |1. SLAAC | | | + |2. DHCPv6 Stateless | | | + |3. DHCPv6 Stateful | | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |When using ODL for L2 forwarding/tunneling, it is |Yes | | + |compatible with IPv6. | | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |Full support for IPv6 matching (i.e. IPv6, ICMPv6,|Yes | | + |TCP, UDP) in security groups. Ability to control | | | + |and manage all IPv6 security group capabilities | | | + |via Neutron/Nova API (REST and CLI) as well as | | | + |via Horizon | | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |Shared Networks support |Yes | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPv6 external L2 VLAN directly attached to a VM. |Yes |Targeted for Flourine Release | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |ODL on an IPv6 only Infrastructure. |Yes |Deploying OpenStack with ODL on an IPv6 only infrastructure | + | | |where the API endpoints are all IPv6 addresses. | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |VxLAN Tunnels with IPv6 Endpoints |Yes | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPv6 L3VPN Dual Stack with Single router |Yes |Refer to "Dual Stack VM support in OpenDaylight" Spec [5]_. | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPv6 Inter Data Center using L3VPNs |Yes |Refer to "IPv6 Inter-DC L3 North-South connectivity using | + | | |L3VPN provider network types" Spec [3]_. | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |Support for advertising MTU info in IPv6 RAs |Yes | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ + |IPv6 external connectivity for FLAT/VLAN based |Yes | | + |provider networks | | | + +--------------------------------------------------+-------------------------+--------------------------------------------------------------+ References -.. [1] Neutron IPv6 Documentation for Ocata Release: http://docs.openstack.org/ocata/networking-guide/config-ipv6.html - +.. [1] Neutron IPv6 Documentation for Rocky Release: http://docs.openstack.org/neutron/rocky/admin/config-ipv6.html .. [2] How to Use Config-Drive for Metadata with IPv6 Network: http://superuser.openstack.org/articles/deploying-ipv6-only-tenants-with-openstack/ - +.. [3] https://docs.opendaylight.org/projects/netvirt/en/stable-fluorine/specs/oxygen/ipv6-interdc-l3vpn.html +.. [4] http://git.opendaylight.org/gerrit/#/c/66707/ +.. [5] https://docs.opendaylight.org/projects/netvirt/en/stable-fluorine/specs/oxygen/l3vpn-dual-stack-vms.html |