openstack, opendaylight, and opnfv chris wright chief ... · chris wright chief technologist at red...
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CHRIS WRIGHT | OpenStack, SDN and NFV1
OpenStack, OpenDaylight, and OPNFV
Chris WrightChief TechnologistRed HatFeb 3, 2015
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CHRIS WRIGHT | OpenStack, SDN and NFV2
Agenda
Introduction Open Source NFV OPNFV OpenDaylight OVS+DPDK Red Hat and NFV
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CHRIS WRIGHT | OpenStack, SDN and NFV3
Who am I ?
Chris Wright Chief Technologist at Red Hat Board Member of OpenDaylight and OPNFV Project During nearly 20 years as a software engineer he has
worked in the telecom industry on high availability and distributed systems and in the Linux industry on security and virtualization.
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CHRIS WRIGHT | OpenStack, SDN and NFV4
Community and Red Hat
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CHRIS WRIGHT | OpenStack, SDN and NFV5
Open Source NFV
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CHRIS WRIGHT | OpenStack, SDN, and NFV6
Network Functions Virtualization (NFV)
Network Functions are trapped in function specific HW Expensive to procure, integrate, deploy and operate
Virtualize Network Functions (VNFs) Distribute VNFs on COTS-based IaaS – a Cloud
Bring modern data center architecture to Telco network Steer traffic with SDN
Traffic must traverse chain of functions in well-defined order
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CHRIS WRIGHT | OpenStack, SDN, and NFV7
Why NFV?
Reduce time-to-market for new services Improve business agility Compete with over-the-top web-based services
Reduce CAPEX and OPEX costs
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Virtual Network Function as a Service
Access Router
WAN Optimization
Firewall
CG-NAT
ADC¥IPS
NG-Firewall
DPI
Monitoring QoS
(ETSI #2)
Network Functions
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CHRIS WRIGHT | OpenStack, SDN and NFV9
Example: VNFaaS
Requires service chaining support in OpenDaylight, OpenStack Neutron Enable Nova instances as nodes in a Neutron service
chain SFC support in OpenDaylight
Performance DPDK-accelerated Open vSwitch
Reliability HA instances in Nova
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Virtualized Mobile Base Station- Multiple RAN technologies from
multiple vendors to be consolidated on a single BS to improve utilization
- BS virtualization can share resources among multiple logical RAN nodes from different systems.
- C-RAN for efficient resource utilization among different physical BSs.
- Baseband Unit (BBU) pool with high performance servers and real-time processing for signaling capacity
(ETSI #4)
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CHRIS WRIGHT | OpenStack, SDN and NFV11
Example: C-RAN/vRAN
Determinism Real-time patches to KVM
Performance DPDK accelerated Open vSwitch
Reliability at scale HA instances in OpenStack Nova HA OpenStack Fault management and reporting IPv6 support – kernel through Nova, Neutron
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CHRIS WRIGHT | OpenStack, SDN and NFV12
NFV is not just OpenStack
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CHRIS WRIGHT | OpenStack, SDN and NFV13
NFV Communities
ETSI NFV driving industry trends, documenting functional requirements
OPNFV integrating open source components, communicating needs upstream
OpenStack abstraction/integration of virtual compute, network, storage
libvirt, qemu/KVM, Ceph, Open Daylight, Open vSwitch
Underlying infrastructure management
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CHRIS WRIGHT | OpenStack, SDN and NFV14
Upstream first
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CHRIS WRIGHT | OpenStack, SDN and NFV15
Upstream first
Red Hat believes changes should be designed, written and proposed with upstream
Maintaining significant out-of-tree patches across multiple projects is unsustainable
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CHRIS WRIGHT | OpenStack, SDN and NFV16
Not always easy!
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CHRIS WRIGHT | OpenStack, SDN and NFV17
Upstream First
Requires discipline (small changes, discussed first) Relationships (your priority might not be their priority) Many communities – not just OpenStack!
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CHRIS WRIGHT | OpenStack, SDN and NFV18
Open Source NFV Summary
NFV requires a collection of multiple projects Use-cases require features which touch many
components Maintaining forks of multiple projects is unsustainable Multiple service providers and NEPs have similar
requirements Engaging with upstream projects early is required for
success
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CHRIS WRIGHT | OpenStack, SDN and NFV19
What is OPNFV?
Open Source NFV Reference Implementation Open, Transparent, Merit-based
Upstream first
Integrate and validate
Consortium Promote NFV use-cases upstream
Develop and test features to fill gaps
Red Hat is Platinum Founding member
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CHRIS WRIGHT | OpenStack, SDN and NFV20
ComputingHardware
StorageHardware
NetworkHardware
Hardware resources
Virtualisation LayerVirtualised
InfrastructureManager(s)
VNFManager(s)
VNF 2
OSS/BSS
NFVI
VNF 3VNF 1
Virtual Computing
Virtual Storage
Virtual Network
EMS 2 EMS 3EMS 1
Service, VNF and Infrastructure Description
Or-Vi
Or-Vnfm
Vi-Vnfm
Os-Ma
Se-Ma
Ve-Vnfm
Nf-Vi
Vn-Nf
Vl-Ha
Orchestrator
OpenStack
LinuxKVM OVS + DPDK
OPNFV
Open Platform for NFV
OpenDaylight
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CHRIS WRIGHT | OpenStack, SDN and NFV21
Goals of OPNFV
Help OPNFV members engage relevant upstream communities
Understand NFV requirements (from ETSI NFV), translate them for upstream developers
Key communities: OpenStack Telco Team Open Daylight, Open vSwitch, DPDK CentOS NFV SIG ETSI NFV ISG (PoC)
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CHRIS WRIGHT | OpenStack, SDN and NFV22
OPNFV Projects Fault Management (Doctor) Continuous Integration (Octopus) Bootstrap/Get-started Virtualized Infrastructure Deployment Policies (Copper) Resource Management (Promise) High availability for VNFs IPv6-enabled OPNFV Characterize vSwitch Performance for Telco NFV Use
Cases Software Fastpath Service Quality Metrics
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CHRIS WRIGHT | OpenStack, SDN and NFV23
Red Hat OPNFV plans
Focus on identifying and fixing gaps upstream Red Hat's OPNFV distribution will be Red Hat
Enterprise Linux OpenStack Platform We expect upstream projects to satisfy NFV use-
cases, and will drive change upstream to ensure this Desire to avoid “Carrier Grade” forks of OpenStack
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CHRIS WRIGHT | OpenStack, SDN and NFV24
What is OpenDaylight?
Open Source SDN Open Transparent Merit-based
Consortium Facilitate Advocate Support Red Hat is Platinum Founding member
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CHRIS WRIGHT | OpenStack, SDN and NFV25
OpenDaylight SDN Platform
Modular, extensible, pluggable Java/OSGi/Karaf based platform Evolving towards model driven using YANG Multi-protocol Eclipse Public License
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CHRIS WRIGHT | OpenStack, SDN and NFV26
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CHRIS WRIGHT | OpenStack, SDN and NFV27
Red Hat ODL Focus
Network Virtualization for OpenStack ML2 ODL driver + extensions (L3, *aaS)
Overlay networks (including HW) Add OVSDB HW_VTEP schema support Underlay informing (e.g. QoS)
MD-SAL, AAA, OpFlex, SFC Infrastructure (testing and performance)
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CHRIS WRIGHT | OpenStack, SDN and NFV28
OVSDB Lithium Roadmap
Cleanups – Karaf, Infra (Jenkins and Sonar), Test coverage, Eclipse integration, devstack and packstack integration
Move to MD-SAL and clustering improvements Neutron service completion L3 service completion LBaaS feature work, VPNaaS and FWaaS DPDK integration SFC integration L4-7 appliance integration HW VTEP integration
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CHRIS WRIGHT | OpenStack, SDN and NFV29
Open vSwitch (OVS) Multi-layer virtual switch
Configuration managed w/ OVSDB Flow tables controlled by OpenFlow
Provides connection between VMs on same host Provides uplink to physical network via host NIC Data fast path in-kernel Challenges
kernel networking stack can be bottleneck 64 byte packet processing rates suffer Microflows vs. megaflows
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CHRIS WRIGHT | OpenStack, SDN and NFV30
DPDK Library for userspace packet processing Directly manages NIC with userspace poll mode driver
(PMD) Drivers for both physical and virtual NICs
Polls driver NIC for packets, NIC DMAs directly to application buffers
Platform specific optimizations Hugepages, NUMA and cacheline aware Batched packet processing CPU instructions (SSE4, AVX, etc)
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CHRIS WRIGHT | OpenStack, SDN and NFV31
DPDK Challenges
API/ABI compatibility, difficult to package in distribution Duplicate driver stacks, limited driver support Compile time rather than runtime optimizations Currently x86-centric OVS integration disables kernel features
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CHRIS WRIGHT | OpenStack, SDN and NFV32
OVS + DPDK
Intel reports improved packet processing rates
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CHRIS WRIGHT | OpenStack, SDN and NFV33
Putting it all together
OpenStack ComputeKVM
OVS+DPDK
OpenStack ComputeKVM
OVS+DPDK
OpenStack ComputeKVM
OVS+DPDK
OpenDaylightController
OpenStackNetworking
OpenFlow/OVSDB
ML2_ODL
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CHRIS WRIGHT | OpenStack, SDN and NFV34
Making NFV and OpenStack real
CommunitiesCreated Sub-Team upstream to focus on NFV
https://wiki.openstack.org/wiki/TelcoWorkingGroup Upstreamed NFV related patches to Juno cycle
OPNFV brings additional resources to focus on NFV requirements in OpenStack
http://opnfv.org/
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CHRIS WRIGHT | OpenStack, SDN and NFV35
Red Hat and NFV
Ability to effect change through entire Linux stack Active in Open vSwitch, DPDK Platinum, founding member of OpenStack Foundation,
OpenDaylight Foundation and OPNFV Leading developer in Linux kernel, KVM, qemu, libvirt,
OpenStackPartner Ecosystem Bring production quality NFV platform to market rich
functionality together with commercial partners
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Red Hat Confidential - NDA Required
RHEL-OSP 6 ( Juno release )Five NFV related features listed in Telco working group
https://wiki.openstack.org/wiki/TelcoWorkingGroup#Implemented_.28Juno.29
RHEL-OSP 7 ( kilo release )More NFV related features will be implemented...
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CHRIS WRIGHT | OpenStack, SDN and NFV37
Thank you
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CHRIS WRIGHT | OpenStack, SDN and NFV38
NFV OpenStack Performance and Determinism
CPU pinning NUMA aware CPU and memory scheduling NUMA aware I/O scheduling VM memory backed by hugepages OVS+DPDK accelerated packet processing SR-IOV accelerated packet processing Resource aware scheduling
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CHRIS WRIGHT | OpenStack, SDN and NFV39
NFV OpenStack Reliability
All infrastructure deployed with HA VM HA (non-cloud aware application) Rich monitoring requirements
Fault detection, resource consumption Ability to monitor Key Performance Indicators (KPIs)
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CHRIS WRIGHT | OpenStack, SDN and NFV40
NFV OpenStack Misc.
Service VM, service insertion, and service chain APIs IPv6 support VLAN trunk to VM vNIC w/ no address 2 vNIC in one VM on same subnet OVF support Network QoS support Evacuate instance to scheduled host Heat multi-region support