2014 03-09, ofc workshop, ping pan
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1. Two demonstrations from 2001 and 2012 showed that SDN/OpenFlow and GMPLS can work together to provision optical paths. The controllers do not need optical network knowledge and end-to-end connectivity is maintained. 2. Lessons learned are that a logically centralized control plane with peer-to-peer data plane is better than full decentralization. Transport networks will aggregate IP and tunnel it, with multiple overlaying control planes. A SDN solution needs abstraction and coordination between IP and optical. 3. The document believes SDN will work by separating the control and data planes and introducing more virtualized packet and transport network services. GMPLS will remain an important provisioning protocol at the data plane level
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This presentation will introduce IMT-2020 fixed mobile convergence (FMC) scenarios and requirements, such as service continuity among different access networks in a 5G environment. Based on the requirements, a FMC solution, Unified Network Integrating Cloud (UNIC), will also be introduced, including the high level architecture and some key technologies, such as unified access control for both fixed and mobile, edge computing for user plane, converged subscriber database, Telecom Integrated Cloud (TIC), etc.
Author : Yachen Wang, China Mobile
Presented at ITU-T Focus Group IMT-2020 Workshop and Demo Day, 7 December 2016.
More details on the event : http://www.itu.int/en/ITU-T/Workshops-and-Seminars/201612/Pages/Programme.aspx
Transport SDN Overview and Standards Update: Industry Perspectives
This document provides an overview and update on transport SDN standards. It discusses:
1) The evolving core network landscape including 100Gb coherent technology and bandwidth needs for cloud services.
2) Transport SDN can provide dynamic network programmability and unified control over multi-layer, multi-vendor networks.
3) Key applications for transport SDN include networking as a service, virtual transport networks, and multi-layer orchestration.
OpenFlow experience in Transport Networks, iPOP'2013, Ping Pan
The document discusses the development and testing experience of transport SDN. It describes a transport SDN framework using an Open Transport Switch (OTS) to virtualize network resources and allow an SDN controller to provision, monitor, and configure underlying transport switches. It summarizes lessons learned from an Infinera-ESnet demonstration using OTS and OpenFlow 1.0 extensions to set up connections and monitor network resources and topology for a big data transport application. Key takeaways are that OpenFlow 1.3 and YANG data modeling are suitable for transport SDN, and RESTful interfaces provide simpler messaging than Netconf. Transport SDN provides value to service providers by simplifying network operation.
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OpenStack is HOT! No doubt about it. A recent survey by The New Stack and The Linux Foundation shows OpenStack as the most popular open source project ahead of other hot projects like Docker and KVM. OpenStack is now taking its rightful place as the open source cloud solution for enterprises and service providers.
To date OpenStack networking has not yet achieved the performance, scalability and reliability that many large enterprises demand. CPLANE NETWORKS solves that problem by delivering secure multi-tenant virtual networking that overcomes the limitations of the standard Neutron networking service. By making all networking services local to the compute node and achieving near line-rate throughput, CPLANE NETWORKS Dynamic Virtual Networks (DVN) delivers mega-scale networking for the most demanding application environments.
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About John Casey
John Casey has over 20 years of deep technology leadership. His proven success with a variety of technical leadership roles in Telecom, Enterprise and Government and in software design and development provide the foundation for the system architecture and engineering team.
Previously John led worldwide deployment teams for both IBM’s Software Group and Narus, Inc. His work in large scale, high performance system design at Transarc Labs and Walker Interactive Systems brings leadership to the CPLANE NETWORKS product suite.
SDN for Network Operators
The document discusses SDN for network operators. It describes how SDN can help simplify network management by extracting network functions from individual network devices and centralizing them in an SDN controller. This allows the network to be programmed and automated as a single entity rather than through individual device configurations. The SDN controller would use standard interfaces like OpenFlow to discover network resources, provision requests across multiple vendors and domains, and monitor network performance. This unified approach could help reduce complexity compared to today's system of many proprietary network management systems.
Light reading bte_oif_intro_june_2015
The document summarizes a session on gearing up for transport SDN deployment. It discusses how recent proofs-of-concept have shown progress towards commercial SDN deployment in transport networks. It outlines that network providers and vendors are collaborating through standards bodies and laboratories to address technical and business challenges inhibiting adoption. The OIF panelists will review findings from a global transport SDN prototype demo and steps to clear roadblocks to wide-scale deployment. They will discuss transport SDN drivers, needs, challenges and review the demo. It aims to accelerate adoption through providing guidance on use cases, requirements, frameworks and demonstrations.
2013 09-22, transport sdn and ecoc, ping pan
SDN in Transport/IP Networks?!
The document discusses the potential for applying SDN principles to transport and IP networks. It makes six key claims: 1) SDN should consider networks holistically, not in isolation. 2) Interfaces need virtualizing whole networks, not just components. 3) Standard bodies don't simplify networking alone. 4) Network functions, not just commodity hardware, drive efficiency. 5) Router vendors see complexity differently. 6) Applying SDN to networks is not a question of "what if" but "when".
Can today’s Internet protocols deliver URLLC?
Presentation by Kevin Smith, Vodafone & Chair ETSI NGP (Next Generation Protocols) at the URLLC 2017 conference on Nov. 14, 2017.
*** Shared with Permission ***
SDN on WAN
This team presentation was part of "Advance Networking" course in my postgraduate studies, and its about SDN technology in the WAN domain.
"Applying Software-Defined Networking to the Telecom Domain" paper was our main source of information. This paper authors are Georg Hampel, Moritz Steiner and Tian Bu
Bell Labs – Alcatel-Lucent , Murray Hill, from New Jersey-USA
How Does SDN Fit into the Data Centre?
Check out Stephan Rettenberger’s slides from Next Generation Optical Networking 2014 in Nice, France. This one’s all about where SDN fits in the data center.
Lecture 11 Final.pptx
The document provides information on Software Defined Networking (SDN) and Multi-Protocol Label Switching (MPLS). It discusses how SDN separates the control plane from the data plane in traditional networks to make them more programmable. The key components of the SDN architecture are described. MPLS is introduced as a mechanism for traffic engineering by forwarding packets based on labels rather than lookups. Traffic engineering and generalized MPLS which supports wavelength switching are also summarized.
State of Packet Optical Integration
The document discusses various approaches that network operators have taken to integrate packet and optical networks. It describes how some operators have collapsed packet and optical layers by deploying packet-optical switches in the core to reduce costs and complexity. It also discusses alternatives such as keeping packet and optical separate initially and integrating control planes. The document also covers approaches in the metro, including using 100Gbps packet switches to connect business sites and using WDM for smaller sites. Finally, it mentions plans to migrate some cities to full packet-optical integration in the core.
Verizon Managed SD-WAN with Cisco IWAN
This document discusses Verizon's managed SD WAN solution with Cisco IWAN. It outlines the business benefits of SD WAN such as centralized management, reduced complexity, and improved application performance. It then describes the technical challenges of adopting SD WAN including security, tunneling exceptions, QoS standards, and wireless requirements. The document provides deployment guidelines and examples use cases for SD WAN including a retail bank, cloud services company, and financial services franchise network. It positions Verizon as an IT partner that can help customers automate operations and focus on business results through its managed SD WAN service.
Carrier ethernet vs-mpls-power-utility-communications
As SDH/SONET networks are being phased out, power utilities are starting to migrate to future-proof packet networks. This presentation reviews and compares Carrier Ethernet, MPLS and MPLS-TP to help power utilities determine which alternative offers the best fit for the operational needs of their mission-critical applications.
Carrier ethernet vs-mpls-power-utility-communications
As SDH/SONET networks are being phased out, power utilities are starting to migrate to future-proof packet networks. This presentation reviews and compares Carrier Ethernet, MPLS and MPLS-TP to help power utilities determine which alternative offers the best fit for the operational needs of their mission-critical applications.
Clearing a Path to Wide-Scale Transport SDN Deployment
The document summarizes an agenda for a session reviewing progress towards wide-scale adoption of SDN in transport networks. It will include a presentation on a global transport SDN prototype demo by OIF, a discussion of the OIF's SDN framework and APIs by Ciena, and a presentation on virtual transport network services by Verizon. The session aims to identify technical and business challenges preventing broader SDN adoption and provide components of a toolkit to help clear the path towards widespread deployment of SDN in transport networks.
Why sdn
Software defined networking (SDN) decouples the network control and forwarding functions, allowing the control to be centralized and the underlying network to be abstracted from applications. This provides benefits like centralized management, rapid innovation, and increased network programmability. SDN uses protocols like OpenFlow that define messages between a controller and switches to build flow tables for packet forwarding using matches and actions. SDN is well suited for data center networks where it allows for network virtualization and easier configuration changes.
Similar to 2014 03-09, ofc workshop, ping pan (20)
Implementing vCPE with OpenStack and Software Defined Networks
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Transport SDN Overview and Standards Update: Industry Perspectives
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OpenFlow experience in Transport Networks, iPOP'2013, Ping Pan
OpenFlow experience in Transport Networks, iPOP'2013, Ping Pan
Tech Talk by John Casey (CTO) CPLANE_NETWORKS : High Performance OpenStack Ne...
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Carrier ethernet vs-mpls-power-utility-communications
Carrier ethernet vs-mpls-power-utility-communications
Carrier ethernet vs-mpls-power-utility-communications
Clearing a Path to Wide-Scale Transport SDN Deployment
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
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Join HCL Ambassador Marc Thomas in this webinar with a special guest appearance from Franz Walder. It will give you the tools and know-how to stay on top of what is going on with Domino licensing. You will be able lower your cost through an optimized configuration and keep it low going forward.
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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2014 03-09, ofc workshop, ping pan
- 1. SDN & GMPLS Ping Pan, Ph.D. March 9th. 2014
- 2. Supercomm2001: • Juniper and Calient have demonstrated GMPLS for packet over DWDM • Simple drag-and-drop provisioning • Multi-vendor, Multi-service, Multi-domain… A story… Juniper A Calient B Calient C Juniper D Path (AD, BW) Path (AD, BW, ERO) Path (AD, BW) Outcome: • The GMPLS overlay implementation is straightforward, because the routers do not need to know about optics; vice versa • End-to-end IP connectivity and routing are not disturbed • BTW, Juniper routers run MPLS; Calient boxes, GMPLS or whatever • This remains to be the operational method today • All the work (e.g. E-NNI) that requires extensive optical interface did not go anywhere… due to operational complexity
- 3. SDN Demo 2012: • Esnet and Infinera demonstrated Transport SDN GMPLS over OTN • Simple drag-and-drop provisioning Another story… Packet A Infinera B Infinera C Packet D OF (AD, BW) Path (AD, BW, ERO) Outcome: • The implementation is straightforward, because the controller does not need to know about optics; vice versa • End-to-end connectivity and routing are not disturbed • Packet-to-optical is VLAN; optical-to-optical is GMPLS (or whatever) • Do we believe that the controller can do better than NNI if it has more optical data? Is this a technical problem in the first place? ESnet OSCAR
- 4. 1. Peer-to-peer data-plane works • The Internet is built with tunnels… tunnel over tunnel • The tunnel end-points define the service demarcation boundary • Tunnel end-points peer with each other and initiate services • The belief of a flat network connecting all users is questionable 2. Hierarchical control-plane works • The entire Internet is driven by this principle • The connectivity data (routes) in one area cannot leak to another area, without careful policy examination • The interface between the hierarchies causes much of the complexity • The belief that one controller can access and control all networks is flawed 3. Direct transport network provisioning is hard • One major reason for the rapid traffic growth in the Internet is because of advanced optical gears • The advancement in optics has out-paced standardization by a long shot • The belief that one provisioning interface can directly program optics from multiple vendors is naïve Lessons Learned
- 5. Logically centralized/hierarchical control plane with peer to peer data plane beats full decentralization Translation to transport networks: 1. Transport networks will aggregate IP packets at edge, and tunnel them into various optical containers (OTN, DWDM etc.) 2. There will be multiple control planes overlaying on top of each other • VMware control-plane over IP routing • IP routing over optical control-plane… 3. A SDN solution needs to… • Virtualize transport networks with abstraction • Coordinate IP-optical traffic through logically centralized server • Leave component and device optical provisioning alone (GMPLS is fine as it is!) Here is our belief on SDN…
- 6. SDN (the separation of control and data plane) will work At control-plane, we will see more virtualized services for both packet and transport networks • So long as OpenFlow remains simple, we will see its deployment • Much work needs to be done on network operation and management At data-plane, we will see bigger, faster and more efficient transport devices • More hardware component-centric switches in WAN and Metro Core • More software-based switches in Access and Data Centers GMPLS, as a provisioning protocol at data-plane, will be in operation for a long time The Future (at least our prediction)