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.. This work is licensed under a Creative Commons Attribution 4.0 International
.. License.http://creativecommons.org/licenses/by/4.0
.. (c) Xuan Jia (China Mobile)
================================================
OpenRetriever Gap Analysis with Kubernetes v1.5
================================================
This section provides users with OpenRetriever gap analysis regarding feature
requirement with Kubernetes Official Release. The following table lists the use
cases / feature requirements of container integrated functionality, and its gap
analysis with Kubernetes Official Release.
.. table::
:class: longtable
+-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+
|Use Case / Requirement |Supported in v1.5 |Notes |
+===========================================================+===================+====================================================================+
|Manage conainter and virtual machine in the same platform. |No | There are some ways how Kubernetes could manage VM-s: |
| | | 1) Kubevirt [1] |
| | | 2) Kubernetes can start rkt and with rkt it is possible to start |
| | | VM-s [2] |
| | | 3) Virtlet [3] |
| | | 4) Hypercontainer [4] |
| | | [1] https://github.com/kubevirt/kubevirt |
| | | [2] https://coreos.com/rkt/docs/latest/running-kvm-stage1.html |
| | | [3] https://github.com/Mirantis/virtlet |
| | | [4] https://github.com/kubernetes/frakti |
+-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+
|Kubernetes support multiple networks. |No | As VNF needs at least three interfaces. Management,control plane, |
| | |data plane. |
| | | (1) Multus https://github.com/Intel-Corp/multus-cni |
| | | (2) CNI-Genie https://github.com/Huawei-PaaS/CNI-Genie |
| | | (3) A solution built into Kubernetes |
| | | https://docs.google.com/document/d/1TW3P4c8auWwYy-w_5afIPDcGNLK3LZf0m14943eVfVg/ |
| | | (4) CNI |
| | | https://github.com/containernetworking/cni/blob/master/SPEC.md |
+-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+
|Kubernetes support NAT-less connections to a container |No | SIP/SDP and SCTP are not working with NAT-ed networks |
+-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+
|Kubernetes scheduling support CPU binding，NUMA features |No |The kubernetes schedular don't support these features |
+-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+
|DPDK need to support CNI |No |DPDK is the technology to accelerate the data plane. Container need |
| | |support it, the same with virtual machine. |
+-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+
|SR-IOV can support CNI (Optional) |No |SR-IOV could let container get high performance |
+-----------------------------------------------------------+-------------------+--------------------------------------------------------------------+
|
