O slideshow foi denunciado.
Utilizamos seu perfil e dados de atividades no LinkedIn para personalizar e exibir anúncios mais relevantes. Altere suas preferências de anúncios quando desejar.

Cisco Service Provider Architecture and Strategy

12.633 visualizações

Publicada em

Cisco Service Provider Architecture and Strategy

Publicada em: Tecnologia
  • Seja o primeiro a comentar

Cisco Service Provider Architecture and Strategy

  1. 1. Evolved Programmable Network Jaroslaw Grabowski Consultant System Engineer May 2015 Cisco Service Provider Architecture and Strategy
  2. 2. © 2015 Cisco and/or its affiliates. All rights reserved. 2  Executive notes  Strategic directions  Strategic technologies  Technical High Level view  End-to-End Architecture and products positioning  Simplification and Layers reduction  Programmability, Virtualization and Orchestration  Q&A Service Provider Networks. Wireline operations Agenda
  3. 3. © 2015 Cisco and/or its affiliates. All rights reserved. 3 Grade of Packet Networks Home Grade Defined by users’ preferences and budget Enterprise Grade Defined by needs Used by single entity/corporation Carrier Grade Shared by multiple of entities. High Scale Used for mission critical applications. Source of income for Service Providers. 99.999% availability (5 min unavailable per year), etc.. Today Subject
  4. 4. 4© 2015 Cisco and/or its affiliates. All rights reserved. Executive Notes. Strategic directions
  5. 5. © 2015 Cisco and/or its affiliates. All rights reserved. 5 Business Motivations High level observations Service Providers business:  Users consume more bandwidth  Users are not willing to pay more in competitive environment Traffic & Services Revenue Costs Time
  6. 6. © 2015 Cisco and/or its affiliates. All rights reserved. 6 Business Motivations High level directions Time VAS Opportunity Directions:  Work on Value Added Services (VAS) and new Monetization strategies  Move bits cheaper. Optimize Total Cost of Ownership (TCO) Traffic & Services TCO optimization
  7. 7. © 2015 Cisco and/or its affiliates. All rights reserved. 7 Business Motivations High level directions TCO optimization Time VAS Opportunity Directions:  Work on Value Added Services (VAS) and new Monetization strategies  Move bits cheaper. Optimize Total Cost of Ownership (TCO)  Hardware Efficiency  Network Operations Simplification  Programmability & Orchestration & Automation  Validated Design recommendations Traffic & Services Main Drivers
  8. 8. © 2015 Cisco and/or its affiliates. All rights reserved. 8  TCO (Total Cost of Ownership) Cost efficiency Hardware, Software, Installation and integration of hardware and software, Warranties and licenses, License tracking – compliance, Migration expenses, Risks: susceptibility to vulnerabilities, availability of upgrades, patches and future licensing policies, etc. Operation expenses: Infrastructure (floor space), Electricity (for related equipment, cooling, backup power), Testing costs, Downtime, outage and failure expenses, Diminished performance (i.e. users having to wait, diminished money-making ability), Security (including breaches, loss of reputation, recovery and prevention), Backup and recovery process, Technology training, Audit (internal and external), Insurance, Information technology personnel, Corporate management time. Long term expenses: Replacement, Future upgrade or scalability expenses, Decommissioning OPEX 80% 5 Years 0 20 40 60 80 100 1 2 3 4 5 CAPEX
  9. 9. 9© 2015 Cisco and/or its affiliates. All rights reserved. Executive Notes. Cisco development directions
  10. 10. © 2015 Cisco and/or its affiliates. All rights reserved. 10 Evolved and Programmable Simplicity and Performance
  11. 11. © 2015 Cisco and/or its affiliates. All rights reserved. 11 Evolved and Programmable Simplicity and Performance Easy Interface
  12. 12. © 2015 Cisco and/or its affiliates. All rights reserved. 12 Evolved and Programmable Networks Simplicity and Performance Evolved Programmable Network NCS NCS APIs APIs EDGE CORE Access VM VM Edge Core VM Access Evolved Services Platform VM/ Storage Control ServiceCatalogService OrchestrationApps VM Applications and Services CDN Easy Interface (API)
  13. 13. © 2015 Cisco and/or its affiliates. All rights reserved. 13 Evolved and Programmable Hiding complexity - chain Evolved Programmable Network NCS NCS APIs APIs EDGE CORE Access VM VM Edge Core VM Access Evolved Services Platform VM/ Storage Control ServiceCatalogService OrchestrationApps VM Applications and Services CDN Programmable environment delivering services Management and orchestration Applications
  14. 14. © 2015 Cisco and/or its affiliates. All rights reserved. 14 Evolved and Programmable Hiding complexity - chain Evolved Programmable Network NCS NCS APIs APIs EDGE CORE Access VM VM Edge Core VM Access Evolved Services Platform VM/ Storage Control ServiceCatalogService OrchestrationApps VM Applications and Services CDN Customers (or Everything in IoE) using Application and Services Service Provider focusing on Value Added Services creation and delivery. Self organizing network delivers network functions Cisco to develop
  15. 15. © 2015 Cisco and/or its affiliates. All rights reserved. 15 Evolved and Programmable Networks Evolved Programmable Network NCS NCS APIs APIs EDGE CORE Access VM VM Edge Core VM Access Evolved Services Platform VM/ Storage Control ServiceCatalogService OrchestrationApps VM Applications and Services CDN Network Simplification Network Programmability Subject for discussion in this session.
  16. 16. © 2015 Cisco and/or its affiliates. All rights reserved. 16 Cisco Design Guides. Cisco UMMT v1.0 Cisco UMMT v2.0 Cisco UMMT v3.0 Cisco FMC v1.0 Cisco UMMT Unified MPLS for Mobile Transport Fixed and Mobile Convergence EPN and assumptions for next are defined Dec2011 Sep2012Apr2012 Feb2013 Cisco FMC v2.0 Sep2013 Cisco EPN v3.0 Apr2014 Migration from SDH to packet networks Adding wireline Corporate/Residential Evolve Programmable Networks Adding (SDN type) programmability and orchestration Cisco EPN v4.0 Oct2014
  17. 17. 17© 2015 Cisco and/or its affiliates. All rights reserved. Packet networks Architecture
  18. 18. © 2015 Cisco and/or its affiliates. All rights reserved. 18 Cisco EPN (Evolve Programmable Networks) All services from single network  Residential Services Internet, Voice (Basic Package) Video, Mobility (3Play, 4Play)  Corporate Services L0VPN (Optical Lambda) L1VPN (E-Line, TDM circuit) L2VPN (E-LAN) L3VPN (Routing and Internet) L3VPN+ (IPsec Secured VPNs)  Transport Services Wholesale Mobile and IP RAN DC Interconnect
  19. 19. © 2015 Cisco and/or its affiliates. All rights reserved. 19 Cisco EPN (Evolve Programmable Networks) Single network for all Services  Multiple locations (POP – Point of Presence)  Multiple device types and vendors  Multiple services  Multiple government requirements  Proven design principles  Reduce complexity!! Make problems smaller!! Divide an Conquer  Crate layers and building blocks  Unification over POPs  Shortcuts over layers are good for short time in long term causes complexity and chaos
  20. 20. © 2015 Cisco and/or its affiliates. All rights reserved. 20 EPN Architecture High Level View Core Aggregation Access Edge Edge  Network layers hierarchy:  Subscribers/Customers  Access Layer  Aggregation  Edge  Core  Optical Transport  Functional blocks  Network Management Centre  Data Center and Content/Applications  Interconnection & peering
  21. 21. © 2015 Cisco and/or its affiliates. All rights reserved. 21  Access Layer  Adaptation to specific media (Fiber Optic, Metallic, wireless)  Unifying on Ethernet  L2 – transparent, L3 for advanced services  Massive deployment  Simple & Low CAPEX  Aggregation Layer  Aggregating multiple Access Nodes to high speed links  Carrying multiple services with MPLS separation  ‘Real’ routers but very often carrying L2 flows over emulated VPLS or H-VPLS EPN Architecture Access and Aggregation Core Aggregation Edge Edge
  22. 22. © 2015 Cisco and/or its affiliates. All rights reserved. 22  Edge layer  SEN – Service Edge Node  Residential SEN – BNG/BRAS  Business SEN – MSE (Multiservice Edge)  Video SEN  RNC - mobile  Core layer  Fast and reliable data forwarding and routing  Transport (DWDM) layer  Dense, long distance and reliable data transport EPN Architecture Core, Edge, Transport Core Aggregation Access Edge Edge
  23. 23. © 2015 Cisco and/or its affiliates. All rights reserved. 23 EPN Architecture Hierarchy Core Aggregation Access Edge Edge Hierarchical design is proven architecture for simplification of IP/MPLS networks  Hierarchy: each layer has specific role  Modular topology - building blocks  Unification for PoP and Regions  Easy to grow, understand, and troubleshoot. Adding new nodes does not destabilize the network  Creates small fault domains - clear demarcations and isolation  Promotes load balancing and redundancy  Promotes deterministic traffic patterns  Incorporates balance of both Layer 2 and Layer 3 technology, leveraging the strength of both
  24. 24. © 2015 Cisco and/or its affiliates. All rights reserved. 24 EPN Architecture Summary Core Video BroadcastVoIPVoDiFrame Cache Managed Business Services (Storage, VoIP, Security) Authentication And Billing Broadband Policy Manager AggregationAccess AggDSL Cable FTTX Ethernet Business MSE Edge BRAS DPI Residential STB Mobile Corporate Business Corporate Core DWDMSDH, TDM Regional DWDM EoDWDM, Xponder 10G, 40G, 100G IPoDWDM ROADM, WXC, Tunable
  25. 25. 25© 2015 Cisco and/or its affiliates. All rights reserved. Cisco Products Positioning
  26. 26. © 2015 Cisco and/or its affiliates. All rights reserved. 26 SP Products Positioning. Wireline focus Access and Aggregation Aggregation Access CoreEdge 100GE 100GE PRIME Management portfolio ASR 901ASR 901S ME3600X ASR9000v ME3600X-24CX ME4600 FTTx system Eth. Point-Point GPON SP WiFi ISRs GPON ME1200 NIT xDSL MSAN ASR920 UBR Cable & HFC ME4600 Dense Access 100K subscribers from single Rack 2x100GE uplink NG-PON2 ASR 920 Range of new chassis Pay as you growth model
  27. 27. © 2015 Cisco and/or its affiliates. All rights reserved. 27 SP Products Positioning Access and Aggregation Aggregation Access CoreEdge 100GE 100GE PRIME Management portfolio ASR 901ASR 901S ME3600X ASR9000v ME3600X-24CX ME4600 FTTx system Eth. Point-Point GPON ME3800X ASR9001 ASR903 ASR9006 ASR9010 SP WiFi ASR902 ISRs GPON ME1200 NIT xDSL MSAN ASR920 UBR Cable & HFC 400G switching 100GE 8x100GE LC
  28. 28. © 2015 Cisco and/or its affiliates. All rights reserved. 28 Small Access Nodes connectivity: 1GE: 5-20 Medium Access Nodes connectivity: 1GE: 10-40 10GE: 2-4 Big (with Redundancy) Access Nodes connectivity: 1GE: 20-100 + 10GE: 4-20 + Ethernet only ME3600x, ASR901, ASR920 ASR9001, ME3800x, ASR9000v ASR9000 Mixed Ethernet + TDM CES ASR902, ME3800x-24cx ASR901 ASR9000 ASR 903, ME3800x-24cx ASR9000 ALL: IP/MPLS, 10GE MPLS uplink, Synchronous Ethernet, power redundancy Extended : Control/Switching redundancy, CES (Circuit Emulation), 100GE Ethernet transport Access & Aggregation IP/MPLS controlled
  29. 29. © 2015 Cisco and/or its affiliates. All rights reserved. 29 ASR9010 ASR9922 ASR 1000 ASR9001 ASR9006 ASR9912 SP Products Positioning Core, Edge, Optical Transport AggregationAccess CoreEdge 100GE 100GE PRIME Management portfolio 20Gbps/Slot Modular switching Modular switching New generation 400GE NPU
  30. 30. © 2015 Cisco and/or its affiliates. All rights reserved. 30 ASR9010 ASR 9000 ASR9922 ASR 1000 ASR9001 ASR9006 ASR9912 CRS1, CRS-3, CRS-X NCS 6000 SP Products Positioning Core, Edge, Optical Transport AggregationAccess CoreEdge 100GE 100GE PRIME Management portfolio NCS 2000 NCS 4000 20Gbps/Slot 128Tbps/System NCS 6000 IP and Optical integration 2T per slot (2014)
  31. 31. © 2015 Cisco and/or its affiliates. All rights reserved. 31 SP Products Positioning Data Center, Cloud, Content distribution Aggregation Access CoreEdge 100GE 100GE Management and Orchestration UCS Unified Computing System x86 servers Nexus 2000 5000 7000 9000ACI Application Centric Infrastructure Videoscape Content Distribution Systems DC orchestration NfV Network Function Virtualization Network @ x86 servers Routers Switches Firewalls etc.
  32. 32. © 2015 Cisco and/or its affiliates. All rights reserved. 32 Typical Wireline Architecture 3rd party Access Networks Rack Centre Cisco Nexus Cisco UCS 10GE Rings 100GE Multiplanar Core PE-node ASR9006 P-node ASR9010 P-node ASR9010 P-node ASR9010 P-node ASR9920 ME4600 ASR901 ASR920 ASR903 Dense Access Sparse Access
  33. 33. © 2015 Cisco and/or its affiliates. All rights reserved. 33 SP Products Selection. Wireline operations Network Management & Orchestration Aggregation Access CoreEdge 100GE 100GE Prime Central Prime Performance Manager Prime Provisioning Prime Optical Prime Network OSS/BSS EMS & NMS
  34. 34. © 2015 Cisco and/or its affiliates. All rights reserved. 34 SP Products Selection. Wireline operations Network Management & Orchestration Aggregation Access CoreEdge 100GE 100GE WAN Automation Engine ESP. Evolved Service Platform Prime Central Prime Performance Manager Prime Provisioning Prime Optical Prime Network SDN component OSS/BSS EMS & NMS Elastic Service Controller NSO ……
  35. 35. © 2015 Cisco and/or its affiliates. All rights reserved. 35 Cisco Prime Network Network and Service Management • MPLS, CE, IPRAN/MToP support • Service discovery, network & service maps • Service fault management & troubleshooting • Graphical fault visualization • Complete CE and MToP service activation • Activation “Point & Click” GUI or via NB API • Topology-based root cause • Service impact analysis • Graphical workflow builder Foundation  Abstract VNE model and mediation layer  Distributed scale, carrier class, HA  Telnet, web service and SNMP APIs  SDK and developer support  Sun/Solaris server; Windows client  Customizable, configurable  NB Event, Alarm &Ticket notifications  Solution integrations with provisioning, inventory and performance systems Element Management  NE and topology auto-discovery  NE Physical & Logical Inventory  Network Topology  Event, alarm and user-TCA management  Configuration support (script builder)  200+ built-in configuration scripts  Open toolkit for extensions  NE configuration archiving  NE Image management  Security: authentication, RBAC  50+ device families, 300+ NE-types
  36. 36. 36© 2015 Cisco and/or its affiliates. All rights reserved. Network Simplification
  37. 37. © 2015 Cisco and/or its affiliates. All rights reserved. 37 Biggest investment Physical infrastructure  Out of control factors Customers locations  Costly and time consuming to build Infrastructure Fiber optic ducts/lines Access lines (FO, Copper, Cable, etc) Main PoPs with appropriate infrastructure
  38. 38. © 2015 Cisco and/or its affiliates. All rights reserved. 38 Creating services and fulfilling requirements Business Services Provisioning Residential Services Provisioning Access Network Aggregation Network Spanning Tree, QinQ management, Edge & Core Network MPLS IP RAN
  39. 39. © 2015 Cisco and/or its affiliates. All rights reserved. 39 Where complexity come from? Too many things to control.. Business Services Provisioning Residential Services Provisioning Access Network Aggregation Network Spanning Tree, QinQ management, Edge & Core Network MPLS IP RAN  Multiple technologies  Multiple layers  Multiple touch-points for service provisioning  Limited End-End service visibility  Manual interventions for protection, QoS, etc ..
  40. 40. © 2015 Cisco and/or its affiliates. All rights reserved. 40
  41. 41. © 2015 Cisco and/or its affiliates. All rights reserved. 41 What about MPLS? History in the nutshell Aggregation Edge Multiservice Core AccessCPE Data Center Intelligent Edge Multiservice Core CPE Large Scale Aggregation Intelligent Edge Multiservice Core CPE Access Aggregation Data Center Data CenterAccess ATM/FR/SDH High performance IP VPNs, Fast Convergence, Traffic Engineering Large scale , Manageability L2L2 L2 Ethernet QinQ MPLS still evolving Aggregation L2 Ethernet QinQ QinQ – cumbersome to manage and provision (VLANs…) QinQ – Not scalable (4000 serv.) L2 protection Cumbersome to manage L2 aggregation appears to be cheaper but….. L2 protection Slow and not predictable Large Scale Aggregation No scalability issues Local VLAN significance 50ms protection and more to follow…
  42. 42. © 2015 Cisco and/or its affiliates. All rights reserved. 42 We do can keep existing investments and evolve… Aggregation Edge Multiservice Core AccessCPE Data Center Intelligent Edge Multiservice Core CPE Large Scale Aggregation Intelligent Edge Multiservice Core CPE Access Aggregation Data Center Large Scale Aggregation Intelligent Edge Multiservice Core CPE Data CenterAccess Efficient Access ATM/FR/SDH Virtual Data Center Dynamic Optical Transport High performance IP VPNs, Fast Convergence, Traffic Engineering Large scale , Manageability Simplification, Service Virtualization L2L2 L2 L3 L2 Seamless MPLS Transport nLight 1 2 3 Ethernet QinQ
  43. 43. © 2015 Cisco and/or its affiliates. All rights reserved. 43 Biggest investment  Out of control factors Customers locations  Costly and time consuming to build Infrastructure Fiber optic ducts/lines Access lines (FO, Copper, Cable, etc) Main PoPs with appropriate infrastructure
  44. 44. © 2015 Cisco and/or its affiliates. All rights reserved. 44 Vertical split is more efficient Hiding Complexity step no 1. Network Services Transport Configure once when node is added, replicated template or auto-configuration Decouple Service Definition and Transport Configured per service
  45. 45. © 2015 Cisco and/or its affiliates. All rights reserved. 45 Minimum touch points. Service Layer  Configured per service  Minimum touch points Transport Services Protection, QoS, synchronization, separation, automation, OAM interface Ethernet ... xconnect Target_node Service_ID encapsulation mpls
  46. 46. © 2015 Cisco and/or its affiliates. All rights reserved. 46 Typical Wireline Architecture 3rd party Access Networks Rack Centre Cisco Nexus Cisco UCS 10GE Rings 100GE Multiplanar Core PE-node ASR9006 P-node ASR9010 P-node ASR9010 P-node ASR9010 P-node ASR9920 ME4600 ASR901 ASR920 ASR903 Ethernet E-Line (any VLAN) Or TDM Circuit for E1 ports Ethernet E-Lin Or TDM Circuit
  47. 47. © 2015 Cisco and/or its affiliates. All rights reserved. 47 MPLS Transport is hiding all the complexity Transport Layer Ethernet/ MPLS/ IP  Configured only once per node!! Generic templates  Protection. Sub second recovery across whole network (30-200ms). IP/MPLS tools (BGP PIC, IP FRR, MoFRR, FC..)  Synchronization. SyncE, 1588v2.  Traffic Engineering. IP IGP, MPLS TE, MPLS Segment routing  OAM Transport Level. IP/MPLS tools and Fault Management.  Service Separation. IP/MPLS  QoS  Autonomic Networking. Zero-touch network elements insertion Network Services Transport
  48. 48. © 2015 Cisco and/or its affiliates. All rights reserved. 48 High scale MPLS networks requires hierarchy Cisco proposition Automatic and hierarchical label distribution over BGP Transport How to build MPLS transport network in EPN design documents Future ultimate IP/MPLS networks on Segment Routing concept
  49. 49. © 2015 Cisco and/or its affiliates. All rights reserved. 49 Autonomic Networking Automatic IP and Infrastructure Configuration download Transport NOC Access-Aggregation Network Services L2VPN • Sub-int • VLAN operations • QoS • MAC Security • VPLS, PW Infrastructure template: • Interface IP • Loopback IP • LDP • RSVP • ISIS Services L3VPN • Sub-int VLAN • ACL • QoS • VRF • PE-CE Routing Evolved Services Platform Extended SDN concept
  50. 50. 50© 2015 Cisco and/or its affiliates. All rights reserved. Segment Routing Simplifying MPLS operations
  51. 51. © 2015 Cisco and/or its affiliates. All rights reserved. 51 “Classical” IP/MPLS in action LDP + IP routing N1 N2 N3 N4 N5 N6 N7 N9 Via IGP (ISIS, OSPF). Each Router is building IP Routing Topology Via LDP. Each Router is advertising its IP prefixes to label binding Labels are used to program the path Routing selects shortest path
  52. 52. © 2015 Cisco and/or its affiliates. All rights reserved. 52 “Classical” IP/MPLS in action LDP + IP routing N1 N2 N3 N4 N5 N6 N7 N9 Each Router is building IP Routing Topology (ISIS, OSPF) Each Router is advertising its IP prefixes to LDP binding Routing selects shortest path Labels are used to program the path 209 N9 209 N9 409 N9 409 N9 609 N9 609 N9 N9 N9 All Labels locally significant N9 Packet/Frame/MPLS(VPN) etc.
  53. 53. © 2015 Cisco and/or its affiliates. All rights reserved. 53 Segment Routing. Simplification 1) Routing distribute labels. 2) Unique label per node. N1 N2 N3 N4 N5 N6 N7 N9 Node N9 has label 909  Each Node has unique label assigned as node ID  Each Router is building IP Routing Topology AND distribute label to IP prefix binding.  Simple extension to ISIS, OSPF 909 606 707 404 505303 202 101 Topology +labels Topology +labels Topology +labels Topology +labels
  54. 54. © 2015 Cisco and/or its affiliates. All rights reserved. 54 Segment Routing. Simplification The same MPLS forwading N1 N2 N3 N4 N5 N6 N7 N9 909 N9 909 N9 909 N9 909 N9 909 N9 909 N9 N9 N9 Node N9 has label 909 Node Segment  Segment Routing is using the same forwarding paradigm like ‘classical’ LDP based IP/MPLS  The same Label is maintained through specific segment  No changes on services layer. The same PseudoWire, L3/L2 VPN infrastructure is used.  Easiness of ECMP implementation 909 606 707 404 505303 202 101
  55. 55. © 2015 Cisco and/or its affiliates. All rights reserved. 55 Traffic Engineering The biggest change N1 N2 N3 N4 N5 N6 N7 N9 Congested Link Typical use-case: Avoiding Congested lines.  All routers are selecting shortest paths to the destination  Some links might be congested – causing traffic outages  Traffic Engineering is needed to steer traffic over ‘longer’ but less congested links Shortest Path
  56. 56. © 2015 Cisco and/or its affiliates. All rights reserved. 56 Traffic Engineering RSVP-TE N1 N2 N3 N4 N5 N6 N7 N9 Tunnel is needed Congested Link HeadEnd  RSVP-TE signaling protocol setups tunnel  HeadEnd sending downstream through RSVP-TE (PATH) requests  TailEnd confirms through RSVP-TE (RESV) message and tunnel is setuped.  All Mid-Point nodes keep soft state of the tunnel in the memory. TailEnd “Classical” RSVP-TE
  57. 57. © 2015 Cisco and/or its affiliates. All rights reserved. 57 Segment Routing Programmability Source Routing N1 N2 N3 N4 N5 N6 N7 N9 909 N9 Adjacency Segment  HeadEnd “programming” path in the label stack  Nodes advertised “Adjacency Label” per link. E.g node N4 is advertising its link towards N5 as label 425  None of Mid-Points needs to keep the state of the tunnel. State is kept only in HeadEnd.HeadEnd 425 404 909 606 707 404 505303 202 101 425 Go to node N4 Take link N4-N5 (advertised as label 425) Go to node N9
  58. 58. © 2015 Cisco and/or its affiliates. All rights reserved. 58 Segment Routing Programmability Source Routing N1 N2 N3 N4 N5 N6 N7 N9 909 N9 909 N9 N9 Adjacency Segment  HeadEnd “programming” path in the label stack  Nodes advertised “Adjacency Label” per link. E.g node N4 is advertising its link towards N5 as label 425  None of Mid-Points needs to keep the state of the tunnel HeadEnd 425 404 909 N9 425 909 N9 425 425 POP 909 606 707 404 505303 202 101 425 Go to N4 Take link to N5 Go to N9
  59. 59. © 2015 Cisco and/or its affiliates. All rights reserved. 59 Real case example CoS based TE • Tokyo to Brussels – data: via US: cheap capacity – voip: via Russia: low latency • CoS-based TE with SR – IGP metric set such as > Tokyo to Russia: via Russia > Tokyo to Brussels: via US > Russia to Brussels: via Europe • Tokyo CoS-based policy – Data and Brussels: push the node segment to Brussels – VoIP and Brussels: push the anycast node to Russia, push Brussels Node segment to Brussels Node segment to Russia
  60. 60. © 2015 Cisco and/or its affiliates. All rights reserved. 60 Scalability N: # of nodes in the network A: # of adjacencies per node  An SR (Segment Routing) core router scales much than with RSVP-TE  The state is not in the router but in the packet  N+A vs N^2
  61. 61. © 2015 Cisco and/or its affiliates. All rights reserved. 61 IETF • Simple ISIS/OSPF extension • Considerable support from vendors • Consensus reached...
  62. 62. © 2015 Cisco and/or its affiliates. All rights reserved. 62 Segment Routing Programmability Application control – full picture N1 N2 N3 N4 N5 N6 N7 N9  Segment routing offers simplified programmability  Paths computation could be performed by centralized logic. SDN (Software Define Networks) approach.  Paths used for link/node protections  Paths for advanced Traffic Engineering 909 606 707 404 505303 202 101 EPN Evolved Programmable Network Layer ESP Evolved Services Platform Layer Applications Visualization/ Analytics Bandwidth Orchestrator Collector Programming API
  63. 63. 63© 2015 Cisco and/or its affiliates. All rights reserved. WAN Automation Engine Understand and control your network
  64. 64. © 2015 Cisco and/or its affiliates. All rights reserved. 64 SP Network in reality - it is not a cloud! Common question  How much bandwidth my services consume?  How traffic flow through specific links?  What will happen if something goes down?  How to expand the network most efficiently?  How to steer the traffic to increase the value of the network? (reduce congestion, re-use bandwidth, assure protection etc..)
  65. 65. © 2015 Cisco and/or its affiliates. All rights reserved. 65 SP Network in reality - it is not a cloud! Solutions  How much bandwidth my services consume?  How traffic flow through specific links?  What will happen if something goes down?  How to expand the network most efficiently?  How to steer the traffic to increase the value of the network? (reduce congestion, re-use bandwidth, assure protection and latency etc..)
  66. 66. © 2015 Cisco and/or its affiliates. All rights reserved. 66 • Use real statistics • Simulate real routing protocols behavior • Bi-directional • Green is good Capacity Visualization
  67. 67. © 2015 Cisco and/or its affiliates. All rights reserved. 67 • Use the Create Growth Plans tool using the demand growth percentage to see where to add capacity and when you will need it Capacity Planning
  68. 68. © 2015 Cisco and/or its affiliates. All rights reserved. 68 Failure Impact Analysis Need to understand where traffic will go and what the impact will be if something changes on the network (planned or unplanned) • Use MATE Design to visualize the network utilization • Show the demands table • Identify how traffic traverses the network • In the Demands table, select the demand from London to Budapest • Simulate failures or maintenance plans and examine where traffic will go… • On the node Berlin, right click and select Fail • …And what the impact will be • Click an empty part of the plot to de-select the demand • Recover the failure 68
  69. 69. © 2015 Cisco and/or its affiliates. All rights reserved. 69 References PTT ISP Mobile MSO Enterprise & Government
  70. 70. © 2015 Cisco and/or its affiliates. All rights reserved. 70 WAE – snapshot from inside Multivendor Network Devices WAVE Platform ALUJuniperCisco Huawei Predictive Model Visualization and Analytics Demand/Path Placement Engine Programming ModulesCollection Modules I2RSOpenFlowOnePKPCEPNMS/EMSNetFlowCLISNMP BGP-LS Configlets Collection Drivers Programming Drivers
  71. 71. © 2015 Cisco and/or its affiliates. All rights reserved. 71 WAE – snapshot from inside Multivendor Network Devices WAVE Applications WAVE Platform ALUJuniperCisco Huawei Cisco Applications Other 3rd Party Applications PRIME Base Client App REST APIs MATE Design MATE Live Predictive Model Visualization and Analytics Demand/Path Placement Engine Programming ModulesCollection Modules I2RSOpenFlowOnePKPCEPNMS/EMSNetFlowCLISNMP BGP-LS Configlets Collection Drivers Programming Drivers
  72. 72. 72© 2015 Cisco and/or its affiliates. All rights reserved. Thank You

×