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ADVA Disaggregated NOS
- 1. ADVA Disaggregated NOS March 2018
- 2. © 2018 ADVA Optical Networking. All rights reserved. Confidential.22 Edge Data Center Network SDN managed Commodity HW + Software CPE Devices Deep Buffers IPv4/ v6+ ECMP Edge CO Data Center O Edge CO Data Center O CORD,OCP Cloud Data Centres O 1000’s of new locations Google, Facebook, Amazon, LinkedIn, Etc… serves 10-100k customer A shift of focus toward new data center resources at the edge of networks Disaggregation Architecture
- 3. © 2018 ADVA Optical Networking. All rights reserved. Confidential.33 Key Features For Edge Data Centers Backbone Core vCPE GPON PON OLTMACs BBU Mobile CE Access MetroEth CLOS IPv4/v6 BGP ECMP VxLAN eVPN /MPLS Telemetry / IPFIX 100G Aggregation HQoS ACL Service Termination
- 4. © 2018 ADVA Optical Networking. All rights reserved. Confidential.44 48x10G + 6x100G ports Deep Buffers Redundant Hot-swappable AC/DC power supply Redundant Hot-swappable Fans Hardware – Deep buffers Delta AGC7648 Zero Touch Provisioning - ONIE installer - USB Key holds Node ID - Automatically loads default config
- 5. © 2018 ADVA Optical Networking. All rights reserved. Confidential.55 ADVA OS Disaggregated test setup VxLAN VxLAN VPLS 1st LSP ERP G.8032
- 6. © 2018 ADVA Optical Networking. All rights reserved. Confidential.66 Data Center Services Use Case VxLAN ECMP BGP VM VM VMVM VM VM VMVM Backbone Core • L2 services termination from Access segments • VxLAN over L3 domain • Load Balancing VxLAN with ECMP links • L2VPN with MPLS / VxLAN interworking • EVPN over MPLS and VxLAN EVC EVC EVC eVPN over MPLS/VxLAN VxLAN eVPN/ MPLS
- 7. © 2018 ADVA Optical Networking. All rights reserved. Confidential.77 Telemetry and IPFIX Flows Monitoring This Photo by Unknown Author is licensed under CC BY-NC-SA Periodic statistic snapshots & gRPC/gNMI AI and predictive mamanement IPIFX
- 8. © 2018 ADVA Optical Networking. All rights reserved. Confidential.88 Cognitive Fault Detection Alarm level Threshold-based versus ML-driven Traversed Time [12 hour bins] - Threshold-based system only detects above the alarm level - Highlighted symbols are detected soft-failures
- 9. © 2018 ADVA Optical Networking. All rights reserved. Confidential.99 Telemetry, gRPC/gNMI + AI • Streaming of periodic snapshots of data of interest from one or many nodes • Google gNMI client for subscriptions and reports
- 10. © 2018 ADVA Optical Networking. All rights reserved. Confidential.1010 IPFIX Flow monitoring, Transit Flows latency measurement • Flow monitoring for ports and services • Measuring packet and byte rate of each flow • Periodic reporting to IPFIX server(s) • L2, L3, MPLS Flows classification • Real time sampling scales to thousands of flows • Transit Flows latency measurement • Provides the source for AI analytic tools • Control overall network status and bottleneck locations
- 11. © 2018 ADVA Optical Networking. All rights reserved. Confidential.1111 OpenStack Neutron ML2 Plugin integration 11 Controller Compute1 Compute2 – OS-V8-M NFV TOR: Agema
Editor's Notes
- Architecture is not a migration, but hierarchy. CORD and OCP are constructs within datacenters – deconstruct B-RAS and other systems. Imperative to differentiate between east-west and north-south requirements. Example: ECMP more related to east-west flows. Provide context to old school SDN-managed. Show ONOS for SDN-control, and ONAP/OSM for MANO. New innovating next gen data center designs are immerging in the 1000s Support the exponential grow of users, devices and applications the coming online. Lead by Cloud providers like Facebook, Google, Microsoft and Amazon Deterministic low-latency and high-bandwidth capabilities Required to ensured services and applications like Video caching, and media processing for augmented or virtual reality, self driving … Changes are now happening Enterprises and service providers are starting to adopt the new designs and with it new innovative opportunities emending. It is influencing the last mile landscape and are forcing architectural changes. Restructuring infrastructure to support for new technologies to come (like 5G).
- Disaggregation Architecture CLOS architecture to replace large chassis based devices White box switches with Open source to replace expensive Cisco /Juniper derives Full IP v4/v6 BGP for DC internal connectivity and for SP to DC ECMP for load balancing and link/node failure protection VxLAN as an overlay L2 tunneling for connectivity over DC network eVPN over L3 and L2 VPLS tunneling 100GbE Aggregation services with MEF level end-to-end SLA and OAM Telemetric and IPFIX for a central SDN malmanagement Integration with Open flow and Open stack SDN tools Segment Routing The source chooses a path (Segment could be MPLS label or IPv6 address) L3 Multicast
- Again: CLOS-based fabric for what? Detail: vCPE does not relate to a datacenter solution.
- Streaming of periodic snapshots of data of interest from one or many nodes ports, interfaces configuration and operational state changes and packet/byte/error counters service state changes and counters Subscription for periodic or on-change updates for specific interfaces/services Streaming according to Google gRPC/gNMI framework Collect and organize the streamed data at the server(s) Run analytic tools, AI. Mine the relevant data, detect problems create actions Apply actions to one or many nodes by (not limited to) ACLs blocking flows Hierarchical traffic QoS shaping / policing SFP/QSFP TX/RX laser power Predict ahead the live expectancy of SFP/QSFP and replace them before failure
- AT&T 4, 5K MEC was formerly "mobile-edge computing" but now renamed "multi-access edge computing"