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Cisco Live 2013 4/24/2017.

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Presentation on theme: "Cisco Live 2013 4/24/2017."— Presentation transcript:

1 Cisco Live 2013 4/24/2017

2 Evolved Programmable Network and Unified MPLS
Cisco Live 2013 4/24/2017 Evolved Programmable Network and Unified MPLS

3 A long time ago…. IP … Subscribers Access Aggregation IP Edge SDH ATM
VPN ISDN/POTS IP VPN NT NAS PE SDH VPN NT Bus. Internet NT LER NT DSL ATM BRAS HSI NT .. LER NT HSI Initially sparse customer take rates Faster roll-out in coverage Subnetting and IP address pool utilization Reuse of SDH infrastructure Internet Access “Star Aggregation” traffic dominance Similar to centralized dial paradigm Conservative growth assumptions Availability of IP Operations Expertise NT Bus. Internet PE NT DSL VPN NT ATM .. ATM ATM NT NT ATM DSL service High-speed Internet (residential) Business Internet L3 VPN (Business) 3

4 Typical architecture Portal Monitoring Billing Subscriber Database
Address Mgmt Policy Definition Identity Policy Control Plane (per subscriber) Subscriber Access Aggregation L2 / Simple L3 Edge Core Content Farms VOD TV SIP Ethernet Residential DSLAM BNG Aggregation Network MPLS/IP Core Network MPLS /IP OLT Business Corporate CMTS MSE 4

5 Service Delivery with MPLS Ethernet
Access Aggregation / Edge Edge Core IP/MPLS Services Q-in-Q (802.1ad) Ethernet MST /LAG Pseudowire Ethernet IP or IP-VPN Residential: IPTV, VoD, VoIP, IA Pseudowire Ethernet IP or IP-VPN Business: IP and IP-VPN Centralized Service Edge Pseudowire Pseudowire Ethernet VPN: E-Line Pseudowire VPLS Ethernet VPN: E-LAN/E-Tree IP or IP-VPN Residential: IPTV, VoD, VoIP, IA IP or IP-VPN Business: IP and IP-VPN Distributed Service Edge Pseudowire Ethernet VPN: E-Line VPLS Ethernet VPN: E-LAN/E-Tree Access Aggregation Boundary Aggregation Edge Boundary IP Routing L2 Switching 5 5

6 Evolved Programmable Network (EPN) a vision for Service Provider Network evolution to keep the SP business healthy and relevant CAPEX tools Network De-layering, IP+Optical Silicon Innovations (ride the Moore’s law) Traffic Problem OPEX tools Stop making networks more complicated! SDN with End-to-End Orchestration Revenue Monetization tools Agility (faster deployment) – Overlays and NfV Virtualization – Virtual Private Clouds and IaaS

7 Realizing the Evolved Programmable Network Multi-Phase Roadmap
We are here. IP + Optical Convergence and Network De-Layering to Reduce CapEx Convergence IP Next Generation Network (IP NGN) Consolidation of Mobile, Business, and Consumer Networks Evolved Programmable Network (EPN) Driven by Need for Increased Bandwidth plus Embedded Intelligence Programmability and Control via SDN with End-to-End Orchestration Enables Simplification to Reduce OpEx Simplification Virtualized Software for Dynamic Service Delivery and Scale to Enable Faster Time to Revenue Growth Virtualization IP Everywhere Evolved Programmable Network: Built for Internet of Everything (IoE)

8 Carrier Ethernet Architecture Evolution
Access Aggregation Edge Core Zero Touch & Auto service provisioning Programmable (SDN, NfV) & L0-L7 Efficiency Cisco Strategy: Accelerate investment to further break away E V O L U T I N Zero-touch Programmable MPLS Multi-layer PCE w/ SDN nV/AN Vision Unified MPLS MPLS/VPN, VPLS  PBB-VPLS  PBB-EVPN Auto-IP, rLFA Trend E2E service convergence & easy service provisioning Access network complexity (Need Cisco innovative solutions) Cisco Strategy: Drive customers towards this direction L2 MPLS MPLS/VPN, VPLS  PBB-VPLS  PBB-EVPN REP, G.8032 Popular Simple but No E2E service convergence Cisco Strategy: Close final L2 gaps to gain footprint L2 802.1q  802.1ad  802.1ah STP Legacy Simple but No service convergence & Poor network resilience Cisco Strategy: no further investment

9 EPN Transport System: Cisco Solution Unique Value Proposition
Innovation #3: Auto-IP Ring: simplify operation with plug & play node insertion Innovation #1: Hierarchical LSP: auto scale, plug&play BGP based routing with VRF’s Innovation #4: PW-HE converges PE’s and enables rich services on any access device any time with operation simplicity (reduce CAPEX & OPEX) ? How to build an MPLS access network of 1,000’s nodes with operation simplicity? PW-HE ? How to roll out cost-effective rich services on any access device any time? Innovation #2: LFA/rLFA: simplify sub 50ms resiliency design Innovation #5: PBB-EVPN: active/active L2VPN attachment, common BGP control plane, SDN- compliant L2 switching

10 PWHE Reference Topology
CE-PE VLAN over PW (L2 or L3) Pseudowire L2 PW PWHE virtual interface Internet Peering Access PE (A-PE) Pseudowire CE Service PE (S-PE) L2 (port or vlan) Aggregation LDP domain Business L3 VPNs LDP Core / Internet Core L3PE CE interface pw-ether encapsulation dot1q 123 vrf vpn-red ipv4 address /24 service-policy input pw_parent_in service-policy output pw_parent_out ipv4 access-group p-in-filter in ipv4 access-group p-out-filter out l2vpn xconnect group pwhe p2p pwhe-red interface pw-ether 100 neighbor pw-id 1 Unified MPLS end-to-end transport architecture Flexible service edge placement with virtual PWHE interface L3 main interface L2 sub-interface (EVC/EFP in 5.1.1) – 20K per system L3 sub-interface (IP/VRF in and BNG in 5.2.0) – 8K per system CE-PE routing is over MPLS transport network. It doesn’t need direct L3 link any more CE-PE virtual link is protected by the MPLS transport network

11 Automate Device Deployment Up to 70% OPEX savings
Simplicity EPN with Plug&Play nV Satellite EPN with Autonomic Network and Auto-IP Config Config Weeks Minutes One Virtual System Downtime Error Free Complex Plug&Play Auto-Discovery, Auto-Provisioning and Auto-resiliency Auto-Discovery, Automatic Addressing and Secure Communication Channel Manual Automated

12 MPLS L2VPN Evolution: PBB-EVPN Powering DCI and L2VPN
Control-plane address advertisement / learning over Core (B-MAC) Simplified Operation: common data and control plane, MPLS + BGP Better Resource Utilization: All-active Redundancy and Load Balancing Optimal Path selection Always on: Fast Convergence High Scalability: MAC, VLAN, PW Data-plane address learning from Core PE1 CE1 PE2 PE3 CE3 PE4 Data-plane address learning from Access B-MAC: B-M1 B-M2 B-MAC: B-M1 B-M2 BGP MAC adv. Route

13 Typical National SP Backbone
Legacy Architecture  Modernism BRAS N-PE PE P P PE IGW U-PE Cell Site MPLS Backbone ISP RAN BRAS IGW Edge Node Distributed BNG Core Node Router Hardware Innovations (multi-core, 55/45/40/28nm ASIC’s, CMOS…) Cell Site Touch-less DWDM Layer: IPoDWDM Passive WDM: Terastream Active WDM: ROADM, WSON, GMPLS RAN Virtualized Control Functions (SDN) Virtualized Network Functions (NfV) Cloud Data Center

14 “A high-end user's connection speed grows by 50% per year”
CRS/NCS: 2004: 130nm NPU, 40Gbps (~11W/Gbps) 2010: 65nm NPU, 140Gbps (~5W/Gbps) 2013: 40nm NPU, 400Gbps (~2W/Gbps) 2015: 20nm… Nielsen's Law of Internet Bandwidth, Dr. Jakob Nielsen, 1998http:// “The number of transistors on integrated circuits doubles approximately every 18 months” ASR9000: 2009: 90nm NPU, 120Gbps per slot 2010: 55nm NPU, 360Gbps per slot 2014: 28nm NPU, 800Gbps per slot Moore’s Law, Gordon E. Moore, Low Cost Interconnect 100GE DWDM Satellite GE/10G Satellite/Breakout Cisco nV: ASR9K, CRS/NCS NOTE: Moore’s Law works with Silicon Chips. - not Optics (Optics is fundamentally an analog problem, subject to Shannon’s limit) - not Materials (eg. RJ-45 Ethernet port is same size since 1976)

15 ASR 9000: Ahead of the “Nielsen’s Law” Curve
“A high-end user's connection speed grows by 50% per year” Nielsen's Law of Internet Bandwidth; Dr. Jakob Nielsen 2Tbps linecard 1.2Tbps (12x100GE) 800Gbps (8x100GE) 360Gbps (36x10GE) 240Gbps (24x10GE) 120Gbps (16x10GE) 80Gbps (8x10GE) FCS w/ 60Gbps 8x10GE OS

16 Separate IP and Optical Networks
Legacy Architecture: Separate IP and Optical Networks IP Layer Management Optical Layer Management Transponders converting short reach to c-band l Metro Network Core Router Metro Network Electrical switching – OEO conversions P2P DWDM Electrical XC Manual patching of 10G connections 16

17 Cisco nLight Architecture: Integrated IP+Optical
Common Network Management and Control IPoDWDM – OTN encapsulation, FEC – integrated transponder Metro Network Core Router Metro Network Photonic Switching – no OEO conversion – touch-less ROADM – WSON control plane Mesh ROADM ROADM 17

18 Realizing the Evolved Programmable Network A Multi-Phase Roadmap
We are here. IP + Optical Convergence and Network De-Layering to Reduce CapEx Convergence IP Next Generation Network (IP NGN) Consolidation of Mobile, Business, and Consumer Networks Evolved Programmable Network (EPN) Driven by Need for Increased Bandwidth plus Embedded Intelligence Programmability and Control via SDN with End-to-End Orchestration Enables Simplification to Reduce OpEx Simplification Virtualized Software for Dynamic Service Delivery and Scale to Enable Faster Time to Revenue Growth Virtualization IP Everywhere Evolved Programmable Network: Built for Internet of Everything (IoE)

19 Hybrid SDN for Core Optimization How about unloaded links?
Cloud Data Center VM’s Cloud Data Center Edge Node VM’s Core Node Core Node Core/IGW IGW 5% load A B C D full load Internet W X Y Z PROBLEM: How to find optimal topology? What if capacity degrades (failures)? SPF = too many empty links (wasted resources) CarrierE Aggregation MPLS Core Internet Core Access Regional PoP Main PoP Transit

20 Hybrid SDN for Core Optimization Centralized Traffic Engineering
1. Service Request 2Gbps request between AZ Data Centers NB API Cloud Data Center Cisco Quantum WAVE VM’s Tunnel AZ onto <C,Y, Z> OpenFlow or FlowSpec: select traffic PCEP: program the label stack Collector Program Cloud Data Center Edge BGP-LS Netflow SNMP VM’s Core Core Node Core/IGW IGW 25% load 5% load A B C D full load Internet W X Y Z Realtime Centralized Traffic Engineering Capacity Management, Visibility Engine “What-if” risk analysis “Autopilot” traffic optimization CarrierE Aggregation MPLS Core Internet Core Access Regional PoP Main PoP Transit

21 Cisco Quantum WAVE: The Only Predictive SDN “what-if” capabilities, multi-layer visibility
What will happen next? What if failure/traffic trend happen? What is the best case? Deducing Traffic Risk Analysis What is the best? Optimization Before After Examine Traffic Demand Examine Node Failure LSP Optimization Determine in near real time the end to end demand matrix using measured data from the network When placing demands, examine what the impact will be, and potential failures that may affect the demand or cause congestion on the network Tactical optimization tools to relieve local congestion, strategic optimization tools to relieve chronic congestion issues network-wide

22 Role of MPLS End to End Services
1. Essential technology for FMC (Fixed & Mobile Convergence) Unified MPLS (end-to-end LSP) with IPv4 and IPv6 Seamless integration with IP RAN and EPC 2. Essential technology for Traffic Engineering and Protection Non-trivial topologies – need for non-SPF explicit paths (<50ms FRR, optimization) Simplification of MPLS (no RSVP, no LDP)  Segment Routing End to End LSP (Label Switched Path) – L2 pseudowires, E-VPN’s, IP-VPN’s IGW Edge Node Distributed BNG Core Node Cell Site RAN Virtualized Control Functions (SDN) Virtualized Network Functions (NfV) Cloud Data Center

23 Netconf/Yang: A Programmable SDN OSS Programmatic API-driven Configuration with Customer Self-Selection Service Designer Environment Customer “à la carte” Menu Portal L3 VPN any-2-any L3 VPN any-2-any Service Models (YANG) L3 VPN hub-n-spoke L3 VPN hub-n-spoke L2 P-2-MP L2 P-2-MP Operator designs new service profiles in service designer environment Building Block Service (e.g: L2 backhaul, L3-VPN, NFVs) End-to-end Services assembled from building block services Customer Picks from available service profiles or service building blocks Request Service Instantiation Secure VPN Access (IPSec) Secure VPN Access (IPSec) Secure VPN Internet + NFV Firewall Secure VPN Internet + NFV Firewall SLAs SLAs Network Service Controller & Orchestration Service Catalog Workflow Manager (micro) Provisioning Access Control QoS Control Topology Inventory Network APIs

24 Realizing the Evolved Programmable Network A Multi-Phase Roadmap
We are here. IP + Optical Convergence and Network De-Layering to Reduce CapEx Convergence IP Next Generation Network (IP NGN) Consolidation of Mobile, Business, and Consumer Networks Evolved Programmable Network (EPN) Driven by Need for Increased Bandwidth plus Embedded Intelligence Programmability and Control via SDN with End-to-End Orchestration Enables Simplification to Reduce OpEx Simplification Virtualized Software for Dynamic Service Delivery and Scale to Enable Faster Time to Revenue Growth Virtualization IP Everywhere Evolved Programmable Network: Built for Internet of Everything (IoE)

25 NfV (Network Function Virtualization) SP-driven Initiative  ETSI architecture
Announced at SDN World Congress, Oct 2012 AT&T, BT, CenturyLink, China Mobile, Colt, Deutsche Telekom, KDDI, NTT, Orange, Telecom Italia, Telstra, Verizon Enablers Hypervisor and cloud computing technology Improving x86 h/w performance Optimised packet processing and coding techniques Network industry standardising on Ethernet SDN based orchestration Value Proposition Shorter innovation cycle Improved service agility Match capacity with actual demand NB : may reduce CAPEX / OPEX NfV = Transition of network infrastructure services to run on virtualised compute platforms – typically x86 Orchestration Host & Network Overlays Appliances – Physical Networking Functions VNF’s – Virtual Networking Functions

26 Value of Host Overlay: Aglity Traditional Multi-Tenant DC VPN Solution
Tenant 1 VM Provider Edge DC Edge MP x-BGP Tenant 1 VM MP x-BGP BGP RR VRF1 VLAN’s, multi-VRF’s,… VRF2 VRF1 IP NGN MPLS-VPN VRF2 Data Center Network Tenant 1 VM VRF3 VRF3 Tenant 2 VM Tenant 2 VM Tenant 3 VM Server guys ask Network guys for the virtual network Complex, it takes days/weeks to provision Limited scale (only 4K vlans, etc.)

27 Cisco ESP (Evolved Services Platform) Virtual PE: MPLS-based Overlay SDN for Orchestrating NfV
MP x-BGP (vpnv4 +VPN Label + nexthop) Tenant 1 VM Provider Edge MP x-BGP MP x-BGP DC Edge Tenant 1 VM BGP RR ESP = Virtual Elastic PE VRF1 VRF2 VRF1 VRF1 IP NGN MPLS-VPN VRF2 Data Center Network VRF2 Tenant 1 VM VRF3 VRF3 VRF3 Overlay (MPLS LSP) Tenant 2 VM Tenant 2 VM Tenant 3 VM Fast Tenant provisioning (minutes) – benefits over DYI Ability to provide SLA (bandwidth, delay, jitter, loss) – key benefit over OTT Easy – End-to-end MPLS for seamless integration of DC and MPLS VPN Scalable – BGP between DC and Network (clear responsibility border)

28 Cisco ESP (Evolved Services Platform) Virtual PE: Controller and Data-Plane
Multi-Tenant Data Center Evolved Services Platform ESP Controller Server / VM Provisioning YANG-API MP x-BGP (vpnv4 +VPN Label + nexthop) Server vPE Forwarder 1 CLI/XML (VRF, GRE Provisioning, Static Label etc) Tenant 1 VM VRF1 Provider Edge MP x-BGP Tenant 1 VM MP x-BGP DC Edge BGP RR VRF1 Server vPE Forwarder 2 VRF2 VRF1 Virtual Private Clouds IP NGN MPLS-VPN VRF2 Data Center Network VRF1 Tenant 1 VM VRF3 VRF3 VRF2 Tenant 2 VM Server vPE Forwarder 3 VRF2 Tenant 2 VM GRE encapsulated LSP’s VRF3 Tenant 3 VM IPv4 Header IP Payload IGP Label 10 BGP VPN Label 100 IP Payload GRE Header Provisioned VPN Label 100 IP Payload VPN Label pop/push IP look up in VRF VPN Label pop/push

29 Cisco ESP (Evolved Services Platform) Virtual PE: Controller and Data-Plane
Multi-Tenant Data Center Evolved Services Platform ESP Controller Server / VM Provisioning YANG-API MP x-BGP (vpnv4 +VPN Label + nexthop) Server vPE Forwarder 1 CLI/XML (VRF, GRE Provisioning, Static Label etc) Function 1 VRF1 Provider Edge MP x-BGP MP x-BGP DC Edge BGP RR VRF1 Server vPE Forwarder 2 VRF2 VRF1 NfV Services Chaining IP NGN MPLS-VPN VRF2 Data Center Network VRF1 VRF3 VRF3 VRF2 Function 2 Server vPE Forwarder 3 VRF2 GRE encapsulated LSP’s VRF3 Function 3 IPv4 Header IP Payload IGP Label 10 BGP VPN Label 100 IP Payload GRE Header Provisioned VPN Label 100 IP Payload VPN Label pop/push IP look up in VRF VPN Label pop/push

30 Putting it all together: Physical + Virtual Networking Connecting Subscribers to NfV Services: End to End Architecture ESP Cloud Datacenter Neutron/VXLAN OVS/OF WAVE RESTful API Virtual Private Cloud Restconf/YANG Openstack vCPE vCPE PCEP/BGP-LS/OnePk OF/OpenDaylight Netconf/XML/YANG vCPE vCPE Enterprise NfV Services CPE IP/MPLS FW NAM IPS DC Fabric DPI CGN IPSEC VPN PE GI-LAN | Consumer DCI CPE DC EPN FW CDN IPS DPI CGN WWW Guaranteed Network SLA Cloud SLA Service Chaining

31 Realizing the Evolved Programmable Network A Multi-Phase Roadmap
We are here. IP + Optical Convergence and Network De-Layering to Reduce CapEx Convergence IP Next Generation Network (IP NGN) Consolidation of Mobile, Business, and Consumer Networks Evolved Programmable Network (EPN) Driven by Need for Increased Bandwidth plus Embedded Intelligence Programmability and Control via SDN with End-to-End Orchestration Enables Simplification to Reduce OpEx Simplification Virtualized Software for Dynamic Service Delivery and Scale to Enable Faster Time to Revenue Growth Virtualization IP Everywhere Evolved Programmable Network: Built for Internet of Everything (IoE)

32 Cisco EPN Solution Evolution Evolved Programmable Network
EPN is the evolution of NGN; the fusion of network and cloud through programmable interfaces to deliver a platform for service provider innovation and differentiation. IPNGN and CarrierE CE 1.0 and 2.0 UMMT/FMC 1.0 and 2.0 Past Solution Framework EPN 3.0 Residential Services IPoE, PPPoE VoIP, IPTV EPN 3.0 Business Services L2VPN vpws/vpls L3VPN uni-/multi-cast EPN 3.0 Transport Services MEF CE2.0 – E-Line, E-LAN, E-Access MBH – S1 and X2 traffic, eMBMS, u-Wave, Clocking EPN 3.0 Transport Infrastructure (MPLS, L2, nV) EPN represents a continuation of the CE/FMC program, with expanded coverage for Carrier Ethernet access technologies (MPLS, L2, nV) EPN connects with NfV to deliver E2E virtual managed services

33 Evolved Programmable Network: Built for Internet of Everything (IoE)
EPN: Summary We are here. IP + Optical Convergence and Network De-Layering to Reduce CapEx Convergence IP Next Generation Network (IP NGN) Consolidation of Mobile, Business, and Consumer Networks Evolved Programmable Network (EPN) Driven by Need for Increased Bandwidth plus Embedded Intelligence Programmability and Control via SDN with End-to-End Orchestration Enables Simplification to Reduce OpEx Simplification Virtualized Software for Dynamic Service Delivery and Scale to Enable Faster Time to Revenue Growth Virtualization IP Everywhere Evolved Programmable Network: Built for Internet of Everything (IoE)

34 Cisco Live 2013 4/24/2017


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