Cisco Virtual Topology System (VTS)
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1 Cisco Virtual Topology System (VTS) Cisco Knowledge Network Presentation Vijay Arumugam and Palak Desai Product Management, Cloud and Virtualization Feb 3, 2016
2 Agenda Trends and Challenges in SP market Need for Network Overlays The Programmable Fabric and VTS Cisco Virtual Topology System Customer Use Cases Demo Summary and Q&A 2
3 Service Provider Market Trends The World Has Gone Mobile Massive Traffic Growth, Driven by Video 10X Mobile Traffic Growth From Ubiquitous Access to Apps & Services Changing Customer Expectations Rise of Cloud Computing M2M Driving Enterprise Business Value Changing Enterprise Business Models Efficiency & Capacity People Process Data Things Soon to Change SP Architectures/ Service Delivery Emergence of the Internet of Everything 3
4 Service Provider Industry Trends Each Addressing an aspect of Challenges and Opportunities Orchestration Orchestration Service automation and self-service fulfillment SDN NFV Network Functions Virtualization, NFV Transforming Network Architectures & Operations Software Defined Networking, SDN Abstracting to Better Application & Network Interaction Pace of Change is Accelerating Simplification is Imperative 4
5 Cisco Open Network Architecture Strategy Applications Business Mobility Video Cloud Cisco Services Smart Service Capabilities Automation Management Orchestration Policy Catalog of Virtual/ Physical Functions Cisco Evolved Services Platform Service Broker Orchestration Engine Service Profiles Physical and Virtual Infrastructure VNFs Cisco Evolved Programmable Network Network Compute Storage 5
6 Cisco NFV Orchestration Architecture OSS: Service Fulfillment BSS/OSS and Service Assurance Network Services Orchestrator enabled by Tail-f Generic Orchestration architecture that spans physical and virtual domains Enables co-existance and migration from Physical to Virtual Generic architecture for different use cases including mobility, vcpe and virtual Managed Services NFVO EMS/NMS EMS EMS EMS EMS EMS EMS EMS VNFM VNF3 VNF2 VNF1 Elastic Services Controller (ESC) Physical Network Infrastructure VNF3 VNF2 VNF1 NFV INFRASTRUCTURE (Compute, Storage, Network) VIM Openstack/ vcener SDN Controller Virtual Topology System (VTS) 6
7 Need for Network Overlays 7
8 Needs of a Modern Day Cloud Enabled Data Center Automation Programmability Policy Flexible, on-demand overlays with underlay awareness Support scale out architectures Auto provision resources Visibility, Management & Troubleshooting Exposed standardized northbound APIs Support physical and virtual workloads Provide vendor agnostic southbound communication channels Intent driven, declarative and transactional Simplified, application oriented interfaces to the user Granular, policy driven instantiation of network overlays 8
9 Network Overlays/SDN in the Datacenter Separates virtual network configuration and topologies from the physical (underlay) networks VXLAN / MPLS DCI Allows redesign and upgrade of the physical network without affecting the virtual topology OVS OVS DVS DVS VTF Provides much more flexibility for the rapid creation, updating, and deletion of networks Provision a fast underlay unfettered by policy and control 9
10 Drivers for Overlay Networking in Data Center Simplified workload provisioning Multi-tenancy at scale Flexible workload placement/mobility 10
11 Cisco Virtual Topology System (VTS) 11
12 Cisco Virtual Topology System (VTS) Overlay Provisioning & Management System Cisco Network Services Orchestrator ware vcenter GUI Flexible Overlays Physical and Virtual Overlays Bare- metal and Virtualized Workloads Service Chaining Open and Programmable REST- Based Northbound APIs Mul8- protocol Support Mul8- hypervisor Support REST API Cisco Virtual Topology System YANG CLI NX- API BGP- EVPN Automated Seamless Integra8on with Orchestrators Automated Overlay Provisioning Automated DCI/WAN Integra8on Scalable VXLAN Mgmt. MP- BGP EVPN Control Plane Virtual Tenant Networks High Performance Virtual Forwarding Virtual Compute Environment Cisco Nexus 2000, 3000, 5000, and 7000 Series Cisco Nexus 9000 Series Cisco ASR 9000 Series VTF DVS 12
13 VTS Architecture Cisco Network Services Orchestrator ware vcenter GUI Unified InformaSon Model (REST API) Virtual Topology System Service and Infrastructure Policy Resource Management Cisco Virtual Topology System Device Management Inventory Database IOS XRv Policy Plane Control Plane Control Plane Federation MP-BGP YANG CLI NX- API BGP- EVPN Virtual Compute Environment Cisco Nexus 2000, 3000, 5000, and 7000 Series Cisco Nexus 9000 Series Cisco ASR 9000 Series VTF DVS 13
14 VTS Architecture DCI Border Leaf Spine Spine REST API Cisco VTS NX-API, CLI, YANG ware vcenter 14
15 VTS Architecture Hardware Switches DCI * Border Leaf Spine Spine REST API Cisco VTS NX-API, CLI, YANG ware vcenter * Roadmap for post
16 VTS Architecture Border Leaf and DCI DCI Border Leaf Spine Spine REST API Cisco VTS NX-API, CLI, YANG ware vcenter 16
17 VTS Architecture BL/DCI Integrated Simpler Configuration Single MP-BGP session for all tenants DCI Spine Spine L3 VNIs (Route) VRF Route-Leaking REST API Cisco VTS NX-API, CLI, YANG L3PVN Stitching ware vcenter 17
18 VTS Architecture Virtual Topology Forwarder DCI Border Leaf Spine Spine REST API Cisco VTS NX-API, CLI, YANG ware vcenter 18
19 VTS Architecture Virtual Topology Forwarder DCI Border Leaf User space, Multi-tenant, line rate packet forwarder Uses Vector Packet Processing technology VTF () Spine Tenant Tenant Spine VTF () Tenant Tenant Fully integrated with Intel DPDK REST API NX-API, CLI, Cisco VTS YANG Supports VXLAN, can be extended to support MPLSoGRE, L2TPv3, MPLSoUDP, native MPLS and SR vswitch NIC ESXi vswitch NIC K vswitch Programmed by VTS using Restconf/YANG ware vcenter 19
20 VTS - Flexible Overlays using Virtual Topology Forwarder Hardware based Overlays Software (VTF) based Overlays Hybrid Overlays Virtual Overlays for Brownfield Deployment 20
21 VTS Use Cases 21
22 VTS Use Cases Multi-Tenant Data Centers Network-Function Virtualization 22
23 Multi-tenant Private Cloud Cloud Management Platform NETCONF 96*40GE REST API VTS To DC Router 40GE Link 10GE Link GE Link Hardware Based VxLAN GW DSW (DC Switch) PSW (Pod Switch) Region 1 PoD 1 4*40GE PoD N Region 2 EBGP based Underlay ASW (Access Switch) VPC 23 23
24 Multi-Tenant Private Cloud In FSI, customers have used the separated or isolated infrastructures for the sake of compliances. For example, a large US FSI has the following three infrastructures: Investment Banking Intranet (INET1) Corporate Financing Intranet (INET2) Global IT Intranet (INET3) The hardware resource waste resulted from three sets of infrastructures is horrendous. Leveraging Cisco s software overlay SDN will allow them to tap into the unused compute capacity and avoid hardware acquisition. Global Transport Internet (The Backbone) Firewall Firewall INET1: Investment Banking INET1 Campus Firm-Wide Campus INET1 Compute Farm INET3 Global IT Intranet Firm-Wide Compute Farm INET2: Corp Fin Intranet INET2 Campus INET2 Compute Farm 24
25 Multi-Tenant Virtualized Data Center Multi-Tenant Data Centers! 25
26 NFV Use case Orchestration & Controllers Layer Admin Tools Customer Portal REST API NSO based on Tail-f NCS OSS/BSS NSO: Network Service Orchestrator VTS: Virtual Topology System VTS: Virtual Topology System : Top of Rack switch PNF: Physical Network Function VNF: Virtual Network Function dvs: distributed Virtual Switch PE: Provider Edge vcenter VTS Plug-in VTS Virtual Overlay Networking Layer BGP-EVPN MPLS VPN Network VXLAN VPN PE & VXLAN Gateway Nexus 9300 () Nexus 9300 () VLANs VLANs VLANs VLANs Virtual Infrastructure, VNF & PNF Layer PNF1 dvs dvs PNF2 VNF1 VNF2 VNF1 VNF
27 Virtualized CPE Architecture Customer Orders Service Tenant Portal REST API SP s OSS / BSS REST API E2E Service orchestration architecture based on Tail-f NCS Seamless orchestration and chaining from customer prem (CPE) to cloud PnP Server NSO (Network Services Orchestrator) Orchestrates both physical (CPE) and virtual network appliances (vcpe) PnP Functionality Zero Touch Provisioning CPE Provide Day 1 Configuration CPE shipped to Customer site, connected & powered ON Establish VPN: IPSec, IP Overlay (VXLAN, GRE, LISP), L2, MPLSVPN ESC (Elastic Services Controller) OpenStack ## DCI X86 Server vrouter vfw VTS (Virtual Topology System) VTF VNF Service Chain vips Internet Gateway Centralized Management and Control of customer branch (managed branch) Loosely coupled layered and modular architecture for NFV orchestration Model driven architectural approach with services and devices represented as YANG models orchestrated by Tail-f NCS Enables ordering, activation and monitoring of services via self-service customer portal Fully open solution that works with Cisco and 3 rd party HW and Cisco and 3 rd party VNFs 27
28 Cisco NFVI vms SP Mobility Media Cloud Generic VNF EMS VF EMS VF EMS VF EMS VF Orchestrator Virtualized Compute Virtualized Storage Virtualized Network Compute Storage Network OpenStack VTS Infra Monitoring & Assurance Single Pane of Glass Management NFV Infrastructure (NFVI) Unified, Flexible and Agile Platform driving SP Infrastructure Transformation Single OpenStack based platform for multiple use cases beyond NFV 28
29 What does VTS provide Infrastructure Providers Tenant self-provisioning Neutron Abstracted view of a network-wide topology Automate discovery in topology and provision virtual network attachment. Make it simple for the end-user SW Forwarder Seamless P2V HW Forwarder SW forwarder for brownfield deployment HW forwarder for performance Virtual Appliance inter-working w/ Physical appliance WAN Connect Tenant networks to Provider Networks Stitch Provider L3VPN to Tenant DC virtual network(s) Tenants attach to External networks via Provider Network VTE P VTE P VTE P VTE P VTE P VTE P 29
30 VTS : Flexible overlays with optimized routing Cisco Virtual Topology System Investment Protection Agility and Automation Seamless Integration Open Scalable Policy Multi-vendor Driven 30
31 Cisco Differentiation NFV Ecosystem Full stack NFV solution Integration with NSO and VNF life-cycle manager ESC Dynamic service chaining capabilities Virtual Topology System (Policy Plane & Control Plane) Transactional policy models; ability to flag transaction errors & rollback Architecture to easily integrate third party network elements Virtual Topology Forwarder User space without any kernel modifications Multi-tenanted, L2/L3 capable including VXLAN & MPLS Line rate packet forwarder Network Endpoint Ecosystems Enabling SW and HW overlays in bare-metal and virtualized environment N2k-N9k, ASR 9K, and Virtual forwarder support 31
32 Demo 32
33 VTS : OpenStack Workflow Spine Spine Create Tenant Networks Tenent and Tenant Networks Created NX-API, CLI, YANG REST API Cisco VTS VXLAN VNID assigned for each network OpenStack Tenant View Host info captured by VTS and mapped to the right & port using topology database Attach to Network 33
34 VTS : OpenStack Workflow Create Tenant Networks REST API Tenent and Tenant Networks Created Cisco VTS NX-API, CLI, YANG Spine VTS provisions, VLAN for each and EVPN on /VTF Spine vlan 1, ,2000 vlan 1706 vn-segment evpn evi vni bgp rd auto route-target import auto route-target export auto interface nve1 no shutdown source-interface loopback0 member vni host-reachability protocol bgp mcast-group VNID assigned for each network VXLAN VXLAN OpenStack Tenant View Host info captured by VTS and mapped to the right & port using topology database Attach to Network VLAN VLAN VLAN Neutron agent modified to request VLAN information from VTS before programming vswitch VLAN 34
35 VTS : OpenStack Workflow Create Tenant Networks Attach to Network OpenStack Tenant View Create router and attach interfaces to tenant networks REST API Tenent and Tenant Networks Created Cisco VTS VNID assigned for each network Host info captured by VTS and mapped to the right & port using topology database Neutron agent modified to request VLAN information from VTS before programming vswitch NX-API, CLI, YANG VLAN VTS provisions, VLAN for each and EVPN on /VTF Spine VXLAN VLAN VLAN VTS provisions L3 VXLAN (distributed L2/L3), Anycast gateway with EVPN vlan 1708 vn-segment Spine VXLAN VLAN vrf context vni vni rd auto address-family ipv4 unicast route-target both auto fabric forwarding anycast-gateway-mac #Anycast Gateway MAC, identically configured on all s interface Vlan1706 no shutdown vrf member vni ip address /24 ---> Anycast GW Address fabric forwarding mode anycast-gateway interface Vlan1708 no shutdown vrf member vni ip forward router bgp 23 router-id address-family ipv4 unicast address-family l2vpn evpn retain route-target all.. vrf vni address-family ipv4 unicast advertise l2vpn evpn evpn evi vni bgp rd auto route-target import auto route-target export auto 35
36 Summary 36
37 For More Information 37
38 Call To Action Play with VTS Product at Cisco Demo Cloud and provide feedback 38
39
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