Published on February 4, 2009
Optical Mesh Service Service Strategy Capitalizing on Industry Trends Scott Beckett Monica A. Lazer AT&T AT&T Labs Group Product Manager Senior Services Architect
Customer and Industry Trends AT&T Enterprise Customer Trends Industry Trends Corporate Utility Backbone Intelligence in the Optical Networks Build their own networks using carrier transport facilities ASON Customer owned equipment OIF UNI and E-NNI Control and Flexibility GMPLS Dynamic Provisioning Ethernet Services Bandwidth Throttling Cost of linecards on the router Network Transparency Advances in Ethernet Application Agnostic capabilities Routing and Diversity Mapping efficiency to optical Switch/router, POP diversity layer Optical service route diversity GFP Dual Homing VCAT Regulation LCAS HIPA, check 21, SEC Multi-service/multilayer network equipment
Optical Mesh Service. Delivered. Configure your Network for your Business Service Description Adaptive Bandwidth with Zero-touch provisioning and near real-time setup of connections Application Agnostic, Layer 1 Transport Networking Carrier Grade Network Availability & Restorability Mesh Architecture with re-routing capabilities Network and Equipment maintenance Customer Applications Key industries: Financial, Media & Entertainment Corporate Utility Backbone Networks Management and distribution of real-time content (e.g., Video) Customer Benefits Flexibility: bandwidth where it s needed, when it s needed Speed: zero touch provisioning Control: configure your network for your business
Optical Mesh Network AT&T Intelligent Optical Network
Customer Application Dynamic Network Configuration Main Data Center Headquarters Business Office Intelligent Optical Network Business Office Back-up Data Center Business Office
Customer Application Disaster Recovery Main Data Center X Headquarters Business Office Intelligent Optical Network Business Office Back-up Data Center Business Office
Optical Mesh Service. Delivered. Configure your Network for your Business Key technical concepts for OMS service An ASON service - Client-server overlay architecture consistent with ITU G.8080 Multi-layer service (multiple grades of bandwidth) Associated signaling from the customer to AT&T network Intelligent transport network supporting soft permanent connections (SPC) and switched calls (SCs) Architectural model allowing for a combination of distributed and centralized control of the optical transport network Distributed control within the AT&T optical network Self inventory, neighbor discovery Routing, Path computation, I-NNI signaling Interaction between the control plane and the OSs for management and maintenance
User Domain A (OIF UNI 1.0 & 2.0) Inter-carrier External User Network Network Interface Domain Z (E-NNI) UNI User to Network Interface (UNI) Service Provider B Service Provider A (OIF UNI 1.0 & 2.0) Admin Domain Admin Domain I-NNI Intra-carrier External Network Network Interface (E-NNI) (OIF NNI 1.0) E-NNI Domain A1 Domain A2 I-NNI I-NNI Internal-Network Network Interface (I-NNI) !!
Strong AT&T Involvement in IETF GMPLS and ITU/OIF UNI/E-NNI protocols AT&T an initiator of many basic GMPLS concepts – IP control of optics, shared mesh restoration, SRLGs, managing all-optical impairments AT&T strong contributor from very beginning at IETF, OIF, ITU Editor of OIF s Carrier Requirements document in the OIF Carrier WG only industry group exclusively focused on carrier requirements Lead of IETF s Design Team on GMPLS support of ITU ASON requirements Active in work across all critical standards / interop forums on signaling, routing and restoration documents AT&T Research - Leading-edge, early prototype demonstrations of feasibility (2000-2002) Participant in OIF interop-demos (inter-working across carrier labs across the world) Supercomm 2004 7 international carriers, 15 equipment vendors (IP and transport) Supercomm 2005 - 7 international carriers, 12 equipment vendors (IP and transport) !
Optical Networking Future Service Evolution Ethernet Customer Interfaces for Optical Networking Service Based on OIF UNI 2.0 Demonstrated at Supercomm 2005 Global Optical Mesh Service Multiple Service Models from VPNs to public network model quot;
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