The document discusses strategy and innovation in Customer Empowered Fibre (CEF) networks. It describes how CEF networks are used as test beds for research and development by the research and education community. It provides examples of contributions to development, such as public funding and use of dark fibers, and discusses challenges around increasing revenue streams and achieving cost savings. Specific initiatives are summarized, such as the ROWANet regional dark fiber network in Scotland and using CEF networks to provide time and frequency dissemination for improving nuclear power plant safety.
Troubleshooting Coherent Optical Communication SystemsCPqD
1) The document discusses troubleshooting of coherent optical communication systems. It covers topics such as market trends driving higher data rates, challenges in coherent measurements, and typical tests and impairments in coherent transmission systems.
2) The document outlines techniques used to maximize transmission capacity within the physical layer, including higher order modulation formats, time-domain pulse shaping, and polarization division multiplexing. It also discusses requirements for test instruments to test these advanced modulation schemes.
3) The presentation provides an overview of using arbitrary waveform generators to emulate optical distortions in the electrical domain, allowing for deterministic and precise testing with complex impairments like phase noise and polarization mode dispersion.
This document summarizes the fibre footprint and research infrastructure connections in the Czech Republic. It discusses the Czech roadmap for large research infrastructures and lists several major projects. It also describes CESNET's dark fibre facility, which provides advanced photonic services and connections to various research institutions across the country using DWDM deployment on leased fibre.
Optical Signal Property Synthesis at Runtime – An new approach for coherent t...CPqD
This document describes a new approach for coherent optical receiver stress testing using digital signal processing (DSP) in an arbitrary waveform generator (AWG)-based optical signal synthesizer. The new approach allows for real-time generation and control of optical signal properties like phase noise, polarization, and polarization mode dispersion that overcome limitations of pre-calculating entire waveforms. This provides a flexible test platform for systematically evaluating receivers under worst-case impairment conditions.
In this work, the implications of new technologies, more specifically the new optical FTTH technologies, are studied both from the functional and non-functional perspectives. In particular, some direct impacts are listed in the form of abandoning non-functional technologies, such as micro-registration, which would be implicitly required for having a functioning operation before arrival the new high-bandwidth access technologies. It is shown that such abandonment of non-functional best practices, which are mainly at the management level of ICT, immediately results in additional consumption and environmental footprint, and also there is a chance that some other new innovations might be `missed.' Therefore, unconstrained deployment of these access technologies is not aligned with a possible sustainable ICT picture, except if they are regulated. An approach to pricing the best practices, including both functional and non-functional technologies, is proposed in order to develop a regulation and policy framework for a sustainable broadband access.
Sharing of Licensed Spectrum - a review and tutorialKlaus Moessner
Spectrum sharing will be one of the pilars to gain sufficient resources for MBB transmissions and for the capacity delivery 5G promisses. This slideset provides a comprehensive overview of the literature and research that has been undertaken towards schemes in which licensed spectrum is being shared between operators.
Troubleshooting Coherent Optical Communication SystemsCPqD
1) The document discusses troubleshooting of coherent optical communication systems. It covers topics such as market trends driving higher data rates, challenges in coherent measurements, and typical tests and impairments in coherent transmission systems.
2) The document outlines techniques used to maximize transmission capacity within the physical layer, including higher order modulation formats, time-domain pulse shaping, and polarization division multiplexing. It also discusses requirements for test instruments to test these advanced modulation schemes.
3) The presentation provides an overview of using arbitrary waveform generators to emulate optical distortions in the electrical domain, allowing for deterministic and precise testing with complex impairments like phase noise and polarization mode dispersion.
This document summarizes the fibre footprint and research infrastructure connections in the Czech Republic. It discusses the Czech roadmap for large research infrastructures and lists several major projects. It also describes CESNET's dark fibre facility, which provides advanced photonic services and connections to various research institutions across the country using DWDM deployment on leased fibre.
Optical Signal Property Synthesis at Runtime – An new approach for coherent t...CPqD
This document describes a new approach for coherent optical receiver stress testing using digital signal processing (DSP) in an arbitrary waveform generator (AWG)-based optical signal synthesizer. The new approach allows for real-time generation and control of optical signal properties like phase noise, polarization, and polarization mode dispersion that overcome limitations of pre-calculating entire waveforms. This provides a flexible test platform for systematically evaluating receivers under worst-case impairment conditions.
In this work, the implications of new technologies, more specifically the new optical FTTH technologies, are studied both from the functional and non-functional perspectives. In particular, some direct impacts are listed in the form of abandoning non-functional technologies, such as micro-registration, which would be implicitly required for having a functioning operation before arrival the new high-bandwidth access technologies. It is shown that such abandonment of non-functional best practices, which are mainly at the management level of ICT, immediately results in additional consumption and environmental footprint, and also there is a chance that some other new innovations might be `missed.' Therefore, unconstrained deployment of these access technologies is not aligned with a possible sustainable ICT picture, except if they are regulated. An approach to pricing the best practices, including both functional and non-functional technologies, is proposed in order to develop a regulation and policy framework for a sustainable broadband access.
Sharing of Licensed Spectrum - a review and tutorialKlaus Moessner
Spectrum sharing will be one of the pilars to gain sufficient resources for MBB transmissions and for the capacity delivery 5G promisses. This slideset provides a comprehensive overview of the literature and research that has been undertaken towards schemes in which licensed spectrum is being shared between operators.
Copec ICECE 2011- DESIGN OF PRACTICAL ACTIVITIES IN ELECTRONICSMohamed Tawfik
VISIR is a remote laboratory for wiring and measuring electric circuits. It uses a PXI platform and relay switching matrix to connect various instruments. Several universities have implemented VISIR labs. Efforts are underway to standardize VISIR using LXI instruments, reduce costs, and integrate VISIR into learning management systems and online lab frameworks to enable broader access and sharing of lab resources.
Quintel has successfully tested its new SONWav antenna technology through simulations and trials with major North American carriers. The SONWav antenna uses elevation beamforming to increase LTE uplink throughput by up to 80% using standard base station antennas. This innovative solution makes it practical to deploy 4-branch receiver antennas for low spectrum bands in a compact form factor. SONWav allows a single antenna array to support multiple frequency bands simultaneously with high performance.
The document outlines Arcep's 5G work programme in France, which aims to make France a leader in 5G. Key points include:
- Freeing up spectrum bands such as 3.4-3.8 GHz and 26 GHz for 5G and defining allocation procedures.
- Preparing for 5G rollouts by developing backhaul solutions, facilitating network sharing and small cell deployment.
- Galvanizing stakeholders from various sectors to test 5G applications through full-scale pilots.
- Anticipating 5G impacts, clarifying technical issues and informing stakeholders through workshops, trials and a dedicated website.
- Authorizing initial 5G trials in cities while expanding the trial program to support innovative use cases
Is Europe ready for cognitive technologies? [Andrew Stirling] Keith
Andrew Stirling presents his insights from cognitive technologies in terms of the larger European context. This presentation also covers recent and ongoing trials in the U.S and Scotland.
EPE '14 ECCE Europe Tutorial #2 - Challenges on the Road to Future High-Volta...Rodrigo Teixeira Pinto
This tutorial addresses the main challenges before high-voltage multi-terminal dc networks can finally become widespread and it is suitable for industry experts and academicians alike. Multi-terminal dc networks (MTdc) can promote the inclusion of remotely located renewable sources while strengthening the existing ac power system networks. Nevertheless, before such dc networks can be developed, various challenges need to be addressed and solved. In this tutorial you will learn about five of these challenges: system integration, power flow control, dynamic behaviour, stability and fault behaviour.
Link to PhD thesis supporting the tutorial: http://repository.tudelft.nl/view/ir/uuid:9b0a88cf-c2c6-43d3-810d-b64a211ab419/
This document provides a framework for controlling wavelength switched optical networks (WSONs) using GMPLS and path computation element (PCE) protocols. It describes WSON subsystems like wavelength links, ROADMs, and wavelength converters. It discusses how these new network elements impact routing, signaling, and path computation. The document also relates this framework to ITU-T recommendations on optical transport network architectures and seeks to resolve modeling issues when including wavelength conversion functionality.
This document provides an overview and discussion of 5G networks and opportunities. It discusses radio technologies including modulation schemes, multiple access techniques, and MIMO. It describes the evolution of core networks from 2G to 5G. Key stakeholders in 5G including vendors, operators, governments, and industries are examined. Standardization bodies influencing 5G such as 3GPP, 5G-PPP and NGMN are overviewed. Finally, the document discusses opportunities in 5G technologies and users.
Science Demonstrator Session: Social and Earth SciencesEOSCpilot .eu
The main focus of Science Demonstrator sessions is to provide feedback to the EOSC community on the first experience of science demonstrators in the practical use of the emerging EOSC ecosystem.
Each panel will consist of a representative of a Science Demonstrator that will provide an overview of their experiences in the use of emerging EOSC services.
These sessions will help members of the scientific communities understanding the current state of maturity of the EOSC ecosystem and what is obtainable in a field of scientific research. It is also valuable to prospective Service Providers who wish to discover what are the challenges and opportunities that user communities might have to deal with, as a result of the adoption of their services.
This session will focus on Social and Earth Sciences.
The SMARTFIRE project is funded by the European Commission through its 7th Research Framework Programme. The project aims at enabling SDN experimentation in wireless testbeds exploiting Future Internet infrastructure in South Korea and Europe.
This is a general presentation of the EU Project SCAPE, http://www.scape-project.eu from 2011. The project is about large-scale digital preservation and runs from 2011 to 2014.
Coexistence of GMPLS and OpenFlow: rationale & approachesFIBRE Testbed
GMPLS and OpenFlow can coexist by implementing different models of interworking and integration. Key requirements for coexistence include extensions to support optical transport technologies, integrated northbound and southbound interfaces, and a common path computation engine that can handle multiple network topologies and provision flows across domains. A flow-aware PCE is proposed as an important component to enable joint routing of services across OpenFlow and GMPLS-controlled transport domains in a hierarchical manner.
Delivering new levels of network synchronization with TrueTime™ADVA
ADVA's TrueTime™ technology offers a powerful defense against the risk of GNSS vulnerabilities. Using PTP-optimized optical transport to provide accurate synchronization from the core of the network to the edge, it will prove key for 5G, smart grid and other time-sensitive applications.
Software Defined Optical Networks - Mayur ChannegowdaCPqD
This document discusses software defined optical networks using SDN. Key points include:
- SDN and OpenFlow can decouple the data and control planes in optical networks for automated provisioning and unified control.
- There are challenges in applying SDN to optical networks including switching constraints, physical impairments, multi-domain/multi-technology operation, and network virtualization.
- OpenFlow extensions are needed to abstract optical network elements and account for characteristics like flexible grid networks, impairment awareness, and multi-dimensional resource allocation.
- Proof-of-concept demonstrations have shown the potential for media-aware SDN, packet and optical convergence, and virtualization across multiple domains.
The document discusses optical networking services and applications. It outlines Tal Lavian's research focus on building service composition and infrastructure for optical networks. It then provides an agenda covering optical networking technologies, challenges, service solutions like optics combined with Ethernet, and potential killer applications such as large data exchange and content networking.
Reusing existing infrastructure can significantly reduce the costs and time required to deploy full fibre networks compared to traditional build models. Civil construction accounts for 50-70% of total build costs but these costs can be avoided by leveraging unused ducts, cables, and other assets owned by local authorities, utilities and other infrastructure owners. ITS, as a UK market leader in infrastructure reuse, has demonstrated build distances over 250m per day using existing ducts, compared to around 20m per day for traditional builds. Sharing infrastructure through co-operative models or concessions can further reduce costs while increasing network coverage and delivering economic and social benefits to local communities.
The document proposes a converged architecture for broadcast and multicast services in a heterogeneous network combining LTE and DVB-H. It suggests several logical entities for content management, electronic service guide management and resource management including an integrated contents server, integrated ESG server and integrated management server. Several scenarios for implementing the converged architecture are presented and their advantages compared.
Introduction to Reactive Technologies Introduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive Technologies
Case Study - Aberdeen Harbour use Siklu EtherHaul to Integrate CCTV & Access ...Purdicom
As one of the UKs busiest ports and serving the North Sea oil and gas industry, Aberdeen Harbour uses Siklu EtherHaul millimetre wave wireless to connect the new Torry Marine Base with a future-proof solution.
Copec ICECE 2011- DESIGN OF PRACTICAL ACTIVITIES IN ELECTRONICSMohamed Tawfik
VISIR is a remote laboratory for wiring and measuring electric circuits. It uses a PXI platform and relay switching matrix to connect various instruments. Several universities have implemented VISIR labs. Efforts are underway to standardize VISIR using LXI instruments, reduce costs, and integrate VISIR into learning management systems and online lab frameworks to enable broader access and sharing of lab resources.
Quintel has successfully tested its new SONWav antenna technology through simulations and trials with major North American carriers. The SONWav antenna uses elevation beamforming to increase LTE uplink throughput by up to 80% using standard base station antennas. This innovative solution makes it practical to deploy 4-branch receiver antennas for low spectrum bands in a compact form factor. SONWav allows a single antenna array to support multiple frequency bands simultaneously with high performance.
The document outlines Arcep's 5G work programme in France, which aims to make France a leader in 5G. Key points include:
- Freeing up spectrum bands such as 3.4-3.8 GHz and 26 GHz for 5G and defining allocation procedures.
- Preparing for 5G rollouts by developing backhaul solutions, facilitating network sharing and small cell deployment.
- Galvanizing stakeholders from various sectors to test 5G applications through full-scale pilots.
- Anticipating 5G impacts, clarifying technical issues and informing stakeholders through workshops, trials and a dedicated website.
- Authorizing initial 5G trials in cities while expanding the trial program to support innovative use cases
Is Europe ready for cognitive technologies? [Andrew Stirling] Keith
Andrew Stirling presents his insights from cognitive technologies in terms of the larger European context. This presentation also covers recent and ongoing trials in the U.S and Scotland.
EPE '14 ECCE Europe Tutorial #2 - Challenges on the Road to Future High-Volta...Rodrigo Teixeira Pinto
This tutorial addresses the main challenges before high-voltage multi-terminal dc networks can finally become widespread and it is suitable for industry experts and academicians alike. Multi-terminal dc networks (MTdc) can promote the inclusion of remotely located renewable sources while strengthening the existing ac power system networks. Nevertheless, before such dc networks can be developed, various challenges need to be addressed and solved. In this tutorial you will learn about five of these challenges: system integration, power flow control, dynamic behaviour, stability and fault behaviour.
Link to PhD thesis supporting the tutorial: http://repository.tudelft.nl/view/ir/uuid:9b0a88cf-c2c6-43d3-810d-b64a211ab419/
This document provides a framework for controlling wavelength switched optical networks (WSONs) using GMPLS and path computation element (PCE) protocols. It describes WSON subsystems like wavelength links, ROADMs, and wavelength converters. It discusses how these new network elements impact routing, signaling, and path computation. The document also relates this framework to ITU-T recommendations on optical transport network architectures and seeks to resolve modeling issues when including wavelength conversion functionality.
This document provides an overview and discussion of 5G networks and opportunities. It discusses radio technologies including modulation schemes, multiple access techniques, and MIMO. It describes the evolution of core networks from 2G to 5G. Key stakeholders in 5G including vendors, operators, governments, and industries are examined. Standardization bodies influencing 5G such as 3GPP, 5G-PPP and NGMN are overviewed. Finally, the document discusses opportunities in 5G technologies and users.
Science Demonstrator Session: Social and Earth SciencesEOSCpilot .eu
The main focus of Science Demonstrator sessions is to provide feedback to the EOSC community on the first experience of science demonstrators in the practical use of the emerging EOSC ecosystem.
Each panel will consist of a representative of a Science Demonstrator that will provide an overview of their experiences in the use of emerging EOSC services.
These sessions will help members of the scientific communities understanding the current state of maturity of the EOSC ecosystem and what is obtainable in a field of scientific research. It is also valuable to prospective Service Providers who wish to discover what are the challenges and opportunities that user communities might have to deal with, as a result of the adoption of their services.
This session will focus on Social and Earth Sciences.
The SMARTFIRE project is funded by the European Commission through its 7th Research Framework Programme. The project aims at enabling SDN experimentation in wireless testbeds exploiting Future Internet infrastructure in South Korea and Europe.
This is a general presentation of the EU Project SCAPE, http://www.scape-project.eu from 2011. The project is about large-scale digital preservation and runs from 2011 to 2014.
Coexistence of GMPLS and OpenFlow: rationale & approachesFIBRE Testbed
GMPLS and OpenFlow can coexist by implementing different models of interworking and integration. Key requirements for coexistence include extensions to support optical transport technologies, integrated northbound and southbound interfaces, and a common path computation engine that can handle multiple network topologies and provision flows across domains. A flow-aware PCE is proposed as an important component to enable joint routing of services across OpenFlow and GMPLS-controlled transport domains in a hierarchical manner.
Delivering new levels of network synchronization with TrueTime™ADVA
ADVA's TrueTime™ technology offers a powerful defense against the risk of GNSS vulnerabilities. Using PTP-optimized optical transport to provide accurate synchronization from the core of the network to the edge, it will prove key for 5G, smart grid and other time-sensitive applications.
Software Defined Optical Networks - Mayur ChannegowdaCPqD
This document discusses software defined optical networks using SDN. Key points include:
- SDN and OpenFlow can decouple the data and control planes in optical networks for automated provisioning and unified control.
- There are challenges in applying SDN to optical networks including switching constraints, physical impairments, multi-domain/multi-technology operation, and network virtualization.
- OpenFlow extensions are needed to abstract optical network elements and account for characteristics like flexible grid networks, impairment awareness, and multi-dimensional resource allocation.
- Proof-of-concept demonstrations have shown the potential for media-aware SDN, packet and optical convergence, and virtualization across multiple domains.
The document discusses optical networking services and applications. It outlines Tal Lavian's research focus on building service composition and infrastructure for optical networks. It then provides an agenda covering optical networking technologies, challenges, service solutions like optics combined with Ethernet, and potential killer applications such as large data exchange and content networking.
Reusing existing infrastructure can significantly reduce the costs and time required to deploy full fibre networks compared to traditional build models. Civil construction accounts for 50-70% of total build costs but these costs can be avoided by leveraging unused ducts, cables, and other assets owned by local authorities, utilities and other infrastructure owners. ITS, as a UK market leader in infrastructure reuse, has demonstrated build distances over 250m per day using existing ducts, compared to around 20m per day for traditional builds. Sharing infrastructure through co-operative models or concessions can further reduce costs while increasing network coverage and delivering economic and social benefits to local communities.
The document proposes a converged architecture for broadcast and multicast services in a heterogeneous network combining LTE and DVB-H. It suggests several logical entities for content management, electronic service guide management and resource management including an integrated contents server, integrated ESG server and integrated management server. Several scenarios for implementing the converged architecture are presented and their advantages compared.
Introduction to Reactive Technologies Introduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive TechnologiesIntroduction to Reactive Technologies
Case Study - Aberdeen Harbour use Siklu EtherHaul to Integrate CCTV & Access ...Purdicom
As one of the UKs busiest ports and serving the North Sea oil and gas industry, Aberdeen Harbour uses Siklu EtherHaul millimetre wave wireless to connect the new Torry Marine Base with a future-proof solution.
This document summarizes a presentation on fibre spectrum sharing for research and development networks. It discusses using single fibres bidirectionally to save costs, deploying reconfigurable optical add-drop multiplexers to transmit 100G over these links. It also covers using spectrum to support real-time applications and distribute precise time and frequency over fibre, as well as expanding capacity through new transmission technologies in the L-band and beyond.
SURFnet Network Services and International Collaboration at ASREN e-AGE '14Alexander van den Hil
SURFnet is a Dutch research and education network that provides high-speed connectivity and services. It operates an 11,000 km fiber network connecting over 170 institutions at speeds up to 100 Gbps. SURFnet collaborates internationally through exchanges like NetherLight and partnerships with NRENs to jointly operate dark fiber and provide on-demand lightpaths across borders. It aims to increase cloud service accessibility on its network and support global research through improved international connectivity and engagement.
E blink Wireless Fronthaul Technology as a key enabler for C-RANstaubin
breakthrough technology with revolutionary spectral efficiency carrying 7Gbps CPRI over the air within a narrow bandwidth. Describing numerous use cases for network densification and coverage by means of remote radio heads (Micro or macro RRHs).
VTT Technical Research Centre of Finland provides solutions to overcome major challenges in wireless access and communication systems, such as increasing capacity demands and energy consumption. They offer expertise in radio systems, hardware and software performance, smart antennas, and security. Their services include research, prototyping, testing, and commercialization of intellectual property to support technologies like 5G, LTE, WiFi and beyond.
The Impact of Advanced Optical Technologies on Transport SDNADVA
Achim Autenrieth presented this slide set at the Future Internet Assembly in March 2014. It's all about the impact of advanced optical technologies on transport SDN.
CommTech Talks: Elastic Optical Devices for Software Defined Optical NetworksAntonio Capone
Elastic optical networks allow network capacity to be increased at lower cost by adapting to traffic variations. Coherent optical technology enables flexible modulation formats and bandwidth usage. Elastic networks can dynamically adjust bandwidth, bit rate, and modulation based on connection properties and network conditions. This provides increased sharing of network resources and cost savings versus legacy fixed-grid networks. However, elastic network design and management poses challenges around impairment-aware routing and spectrum allocation.
SDN in GÉANT provides three key points:
1) GÉANT has implemented two generations of SDN testbeds to enable researchers to test novel network ideas.
2) The Network Service Interface (NSI) protocol solves the multi-domain SDN service challenge by enabling flexible, multi-domain service chaining across network domains.
3) Work is ongoing to integrate NSI into the SDN environment by adding OpenFlow constructs to the NSI topology descriptions to bridge intra-domain OpenFlow operations with inter-domain NSI provisioning.
What LTE Parameters need to be Dimensioned and OptimizedHoracio Guillen
How to Dimension user Traffic in 4G networks
What is the best LTE Configuration
Spectrum analysis for LTE System
MIMO: What is real, What is Wishful thinking
LTE Measurements what they mean and how they are used
How to consider Overhead in LTE Dimensioning and What is the impact
How to take into account customer experience when Designing a Wireless Network
The document summarizes an interoperability testing event for MPLS technologies held in January 2006 with the goal of demonstrating interoperable devices and services at the MPLS World Congress in February 2006. 15 vendors participated with over 30 devices testing areas like Fast Reroute, traffic engineering, VPNs, pseudowires, and VPLS. The event found some issues related to traffic engineering and high availability protocols but most were resolved. The scope and number of devices increased from previous years, and the testers saw a need for standards to reduce protocol options and clarify implementations to improve interoperability.
This document discusses technologies for improving the capacity of optical transport networks. It outlines how networks have evolved from 10G to 100G+ capacities through increased channel counts and complex modulation formats. Key technologies discussed for further improving capacity include space division multiplexing using multi-core or multi-mode fibers, superchannels that pack optical carriers more densely, and elastic optical networks that flexibly allocate spectrum. The document also discusses optimizing network efficiency through port virtualization and reducing transit traffic loads on routers.
Trends and evolution of optical networks and technologiesMd.Bellal Hossain
The document discusses trends and research in optical networks and technologies. Key points include:
- Optical networks are becoming more important due to increasing bandwidth demands from services like the internet. Research aims to increase network capacity and intelligence while lowering costs.
- 40Gbit/s transmission systems are being developed to provide multi-terabit capacities over long distances. All-optical networking components like optical cross-connects and regenerators are also a focus.
- Optical networks are evolving from simple transmission to include wavelength routing, network protection at the optical layer, and potentially full IP-over-optics implementation.
- Components research focuses on higher performance devices for functions like switching, modulation, and amplification,
This document summarizes a presentation about experimental infrastructures for future internet projects. It describes the architecture of the German node, which includes a datacenter and mobile testbed. The mobile testbed consists of WiFi and cellular nodes that are controlled by an Evolved Packet Core and IP Multimedia Subsystem. The presentation demonstrates a scenario using these infrastructures, where a doctor receives a WebRTC call while moving and changes between different access networks and devices. It also describes how this showcase was built using Generic Enablers from FIWARE, including the Service Capability, Connectivity and Control enabler and Orion Context Broker.
ORCIP is an open infrastructure in Portugal that allows testing and certification of advanced optical and radio systems. It aims to support SMEs, universities, research institutes, operators and large enterprises. The infrastructure includes a radio network deployed on the University of Aveiro campus connected through optical fiber to a central lab. This lab provides characterization of optical and wireless devices, and integrated testing of networks and applications. It also supports simulation, training and remote access services.
This document summarizes Dean Phillips' presentation on delivering eduroam WiFi connectivity beyond the University of Aberdeen campus. Key points include:
- The university has partnered with Aberdeen City Council to provide city-wide eduroam WiFi access using the council's public sector network ducts.
- Future ambitions include expanding eduroam to additional public locations like the airport and train station to create a virtual city-wide campus.
- The partnership aims to commercialize the public sector network infrastructure and further enhance the student and staff experience through ubiquitous connectivity.
Network optimisation software can provide measurable benefits for mobile networks. The software uses algorithms and automation to optimize spectrum refarming, traffic shifting between network layers, and network grid layouts. This reduces costs while improving quality of experience and increasing revenue. Case studies demonstrate the software successfully optimizing large networks overnight and improving key performance indicators.
The Next Generation Multimode Fiber: Wide Bandwidth MMFLizGoldsmith
Learn about Wide Band Multimode Fiber (WBMMF) -- the application drivers, multiplexing technology, parallel fiber transmission, and Short Wavelength Wave Division Multiplexing. This presentation will also review the cabling evolution roadmap and the WBMMF specification framework.
Saul Friedner, LS Telecom - 5G Infrastructure Requirements overview for UK S...techUK
Saul Friedner, LS Telecom - 5G Infrastructure Requirements overview for UK SPF Feb 17
Presented at the Cluster 1/4 UK Spectrum Policy Forum meeting More information is available http://www.techuk.org/about/uk-spectrum-policy-forum
This document provides an overview of CESNET, a non-profit organization in the Czech Republic that operates the national research and education network. CESNET was established in 1996 by Czech universities and the Academy of Sciences to support science and research through developing and operating the national network. It also conducts research on advanced networking technologies. In 2011, CESNET launched two new projects to transform into a comprehensive e-infrastructure, providing network connectivity, computing resources, data storage, collaboration tools, and other services to support the research community.
This document summarizes Jan Radil's presentation at the CEF Networks 2014 workshop. Some key points from the presentation include:
- It questions whether Europe's increasingly strict emissions regulations for diesel vehicles have actually been effective in reducing NOx levels as intended.
- It raises concerns about whether networks are being over-engineered with new technologies like 100G and 400G that have limited reach and drive up costs, when legacy technologies may still meet current needs.
- It encourages considering technologies and upgrades more rationally and critically to avoid wasting money or resources.
Skybuffer AI: Advanced Conversational and Generative AI Solution on SAP Busin...Tatiana Kojar
Skybuffer AI, built on the robust SAP Business Technology Platform (SAP BTP), is the latest and most advanced version of our AI development, reaffirming our commitment to delivering top-tier AI solutions. Skybuffer AI harnesses all the innovative capabilities of the SAP BTP in the AI domain, from Conversational AI to cutting-edge Generative AI and Retrieval-Augmented Generation (RAG). It also helps SAP customers safeguard their investments into SAP Conversational AI and ensure a seamless, one-click transition to SAP Business AI.
With Skybuffer AI, various AI models can be integrated into a single communication channel such as Microsoft Teams. This integration empowers business users with insights drawn from SAP backend systems, enterprise documents, and the expansive knowledge of Generative AI. And the best part of it is that it is all managed through our intuitive no-code Action Server interface, requiring no extensive coding knowledge and making the advanced AI accessible to more users.
HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAUpanagenda
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
Wir erklären Ihnen, wie Sie häufige Konfigurationsprobleme lösen können, die dazu führen können, dass mehr Benutzer gezählt werden als nötig, und wie Sie überflüssige oder ungenutzte Konten identifizieren und entfernen können, um Geld zu sparen. Es gibt auch einige Ansätze, die zu unnötigen Ausgaben führen können, z. B. wenn ein Personendokument anstelle eines Mail-Ins für geteilte Mailboxen verwendet wird. Wir zeigen Ihnen solche Fälle und deren Lösungen. Und natürlich erklären wir Ihnen das neue Lizenzmodell.
Nehmen Sie an diesem Webinar teil, bei dem HCL-Ambassador Marc Thomas und Gastredner Franz Walder Ihnen diese neue Welt näherbringen. Es vermittelt Ihnen die Tools und das Know-how, um den Überblick zu bewahren. Sie werden in der Lage sein, Ihre Kosten durch eine optimierte Domino-Konfiguration zu reduzieren und auch in Zukunft gering zu halten.
Diese Themen werden behandelt
- Reduzierung der Lizenzkosten durch Auffinden und Beheben von Fehlkonfigurationen und überflüssigen Konten
- Wie funktionieren CCB- und CCX-Lizenzen wirklich?
- Verstehen des DLAU-Tools und wie man es am besten nutzt
- Tipps für häufige Problembereiche, wie z. B. Team-Postfächer, Funktions-/Testbenutzer usw.
- Praxisbeispiele und Best Practices zum sofortigen Umsetzen
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/temporal-event-neural-networks-a-more-efficient-alternative-to-the-transformer-a-presentation-from-brainchip/
Chris Jones, Director of Product Management at BrainChip , presents the “Temporal Event Neural Networks: A More Efficient Alternative to the Transformer” tutorial at the May 2024 Embedded Vision Summit.
The expansion of AI services necessitates enhanced computational capabilities on edge devices. Temporal Event Neural Networks (TENNs), developed by BrainChip, represent a novel and highly efficient state-space network. TENNs demonstrate exceptional proficiency in handling multi-dimensional streaming data, facilitating advancements in object detection, action recognition, speech enhancement and language model/sequence generation. Through the utilization of polynomial-based continuous convolutions, TENNs streamline models, expedite training processes and significantly diminish memory requirements, achieving notable reductions of up to 50x in parameters and 5,000x in energy consumption compared to prevailing methodologies like transformers.
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Strategy and innovation_in_cef_networks
1. Strategy and Innovation in CEF Networks
Stanislav Šíma,
Lada Altmannová, Josef Vojtěch
CESNET
http://www.ces.net/
http://czechlight.cesnet.cz/en/
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2. GÉANT community
•The GÉANT community consists of Europe’s National Research and Educational Networks (NRENs) working together
•We focus on the collaborative effort to innovate the service portfolio, creating more advanced services
•We consider world-wide collaboration of R&E Community very important
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3. Importance of CEF Networks
•Customer Empowered Fibre (CEF) networks are Facilities for network services development and operation, shared globally for support of research, innovation and education
•CEF Networks are in principle Integrated Facility for experimentation and production services
•CEF Networks are used as large field test bed for equipment and service vendors
•CEF Networks are instrument supporting research in various fields of science and upgrading competitiveness of research teams
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4. Contributions to Development
•The global economy has suffered from recession and is recovering too slowly, but some resources are available
•Public funding of R&E Community
•Dark fibres under municipalities, regional authorities, governments or EC projects control (not available on free market – for example fibres along fuel pipelines)
•Contributions from CEF Networks’ users (research projects, industry innovation projects etc.) for advanced services
•Technology for multivendor fibre spectrum sharing (Spectrum as a Service, SpaaS) enables CEF Networks’ cost savings
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5. ROWANet - Network of Highland region
•Regional Dark fibre network collaborating with CESNET
•Lighted with Czechlight equipment
•Using also cost- effective single fibre bidirectional transmission
•Example for other regions and cities
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6. CEF Networks R&D Strategy
•Challenge is to enlarge user group providing services not available on the market and increasing income
–Opportunities for higher revenue are expected for example in development of remote real-time sensing or control (Machine to Machine Communication etc.), especially as a service for providing security improvements in industry
–Dark fibre last mile connection to users’ premises for significant new user to user applications
•Challenge is also to achieve savings
–Progress in technology, especially availability of equipment for multivendor fibre spectrum sharing in transmission systems, enable cost-effective solution of transmission systems
–Overlaying fibre footprints are not needed
•Solution is known and verified, but wide area (e.g. continental) implementation needs long time work – with this Strategy
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7. Network as a Spectrum Service
•Network as a Spectrum Service (NaaSS) is concept of end to end allocation of spectrum for experiments or special services
•For such purpose, Cisco and Czechlight (CL) transmission systems provide photonic services (end to end all-optical lambdas)
•For applications requiring more advanced usage of fibre spectrum we use CL transmission systems (we have unlimited access to fibre spectrum)
•single fibre transmission
•L-band transmission
•T/F transmission
•hard-real time sensing for additional reliability
•etc.
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8. CL lines available to adaptation
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9. Two physically diverse last miles are needed for good availability of important scientific or industry equipment
•risk of fibre cuts especially in cities
•observation of past is not feasible (data from sensors and some other equipment are lost, if not transferred and recorded) Lighting of last miles for new application types should be flexible (for example by Spectrum as a Service) – best solutions for Leading Edge Applications are still not known
Last miles for equipment
See more details in presentation „Fibre footprint for Research Infrastructures“,
Lada Altmannová, CESNET
CESNET`s last miles in Prague region
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11. Measurement on fibre reels
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12. Service instead of equipment
•Fast and frequent adaptation for experimentation is crucial requirement in CEF Networks
•Service instead of transmission system hardware property is needed – similar to cloud approach => LaaS - Lighting as a Service is required
•Competition of LaaS suppliers enables to negotiate a good contract
•We are not dependent on single vendor equipment development road map
•CESNET started with LaaS in 2002
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13. Steps to LaaS deployment
•Collect experience with LaaS implementations
–LaaS documentation of about 1000 km of single fibre and fibre pair lines lighting exists
•Elaboration of LaaS specifications for typical requirements in NRENs collaboration (strongly vendor independent), for example
–e2e lambdas needed
–international lambdas via CBFs as R&E Networks Service
–e2e photonic services
–frequency bands kept free for other purposes
•Pre-procurement of LaaS pilot (prototype) implementations in collaboration with interested suppliers
•Certification of specified LaaS deployment for reputable suppliers
•Procurement and deployment of LaaS by R&E Networks – individually or collectively as needed
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14. 14
There is a lot of capacity in fibres still
•Present 100G systems 8Tbps in 35nm of C band
•Vendors are offering also L band now, together almost 90nm
of whole 400 nm spectrum available in single mode fibre
•Next gen 22Tbps in 35nm of C band (400Gbps over 75GHz, DP-16QAM)
•Vendors are already considering capacity shared as service on photonic level, e.g.: K. Grobe: „Flexible Spectrum-as-a-Service“, TNC14
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15. Present 100G transmission system
•Design is usually without compensation of chromatic dispersion (no native 10G, only coherent 100G), it makes sub 100G transport very expensive
•Upgrade to 400G not so easy - very expensive and reach lowered: example numbers 600km@400G vs 4500km@100G http://blog.infinera.com/2014/01/06/coherent- technology-you-cant-have-too-much-of-a-good-thing/#more-1073
•Moving‚ Big Data Centres‘ to 400G transponders or 400G@access and 4x100G@backbone? (IEEE P802.3bs 400Gb/s Ethernet Task Force is working since Mar 2014) http://www.research.att.com/articles/featured_stories/2013_05/201305_ Long-Haul.html
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16. Collaboration using CEF Network (example)
Thanks to Ondrej Cip and Bretislav Mikel, Institute
of Scientific Instruments (ISI) Brno
http://www.isibrno.cz/index.php
Time and Frequency (T&F) dissemination for improvement safety of nuclear power plants (NPPs)
Long-term monitoring of NPP containment building stability
Participants of collaboration:
•ISI – generation of reference wavelengths (H-maser + fs comb), implementation of on-line calibration to FBG gauge spectral analyser
•IPE (Institute of Photonics and Electronics) – long-term calibration of H-maser (ISI) with Cs standards (UFE) – GTR receiver, time-stamp delay measurement unit
•CESNET – frequency transfer (ISI Brno to Rez near Prague and to Temelin NPP)
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17. Owner of NPP is responsible for safety and long-term measurement of the stability and shape deviation of the containment building.
Need of precise measuring methods based on Fiber Bragg Gratings strain gauges (due to EMC standards)
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18. Containment
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19. T&F transfer for improvement safety of NPP
•Distribution of stable (reference) wavelengths/frequencies from ISI laboratory to NPP through stabilized fibre links
•On-line calibration of strain measuring device based on FBGs
•Pilot FBG strain sensor with on-line calibration
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20. ISI FBGs network pilot setup of measurement
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21. ISI Brno – Temelín connection
Last mile ISI Brno – CESNET PoP Brno II (ready)
Last mile Temelín – CESNET PoP České Budějovice (in 4Q 2014)
Modification of dark fibre lighting PoP České Budějovice – PoP Brno II (in projection) – length 320km (84dB)
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22. Prepared CEF Network applications
•Nuclear Power Station is the most visible „equipment“ but we prepare also other experiments
•Photonic test bed as a Service and remote access to measurement equipment in laboratory
•Transfer from „big data“ sources including last mile solution: Genome sequencers in Olomouc (BioMedreg, http://biomedreg.eu/) and Prague (UMG, BIOCEV- Biotech & Biomed Research Centre)
•Support of ICRC Brno collaboration with Mayo Clinic in EEG signal analysis (international data transfer about 0,5 TB per patient, including last mile solution), http://www.fnusa-icrc.org/en/
•Support of ELI - Extreme Light Infrastructure project including last mile solution, http://www.eli-beams.eu/
•and other projects ….
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23. Useful documents and pilots
•Porta Optica Study: Economic analysis, dark fiber usage cost model and model of operations. EU FP6 SSA project, Deliverable D3.2, reviewed in July 2007
•http://www.porta-optica.org/publications.php
•Final GÉANT Architecture obviously based on the top of transmission layer, let’s open and improve it for R&E
•Altmannova et al.: Final GÉANT Architecture. DANTE 2011, http://www.geant.net/Media_Centre/Media_Library/Media%20Library/GN3- 10-279_DS1.1.1,2%20Final%20GEANT%20Architecture_v1.pdf
•For some expected applications see Altmannova et al.: Photonic Services: Challenge for Users and for Networkers. Dante 2013, http://geant3.archive.geant.net/Media_Centre/Media_Library/Media%20Library/GN3-13-110_JRA1-T2_Photonic-Services.pdf ,
•Project REFIMEVE+: REseau FIbré MEtrologique à Vocation Européenne+, http://www.univ-orleans.fr/osuc/pdf/REFIMEVE+_203077.pdf
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24. Sázava monastery founded in 1032
Centre of Slavonia culture in ancient times
Development needs time
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25. Acknowledgement
•Jan Gruntorád, Miloslav Hůla, Václav Novák, Jan Radil, Radek Velc, Vladimír Smotlacha, Pavel Škoda, CESNET
•Ondřej Číp and Břetislav Mikel, Institute of Scientific Instruments
•Members of GÉANT Strategy and Innovation Committee
Pages for off-line reading follow
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26. Specific issues
•A significant part of the CEF Networks user community requires services that are not available or affordable from commercial providers. Identifying observed or anticipated user needs should be elaborated into a vendor-independent specification.
•Cost savings in transmission layer and increasing income from users were identified as main interests of many NRENs. The transmission layer (fibres, lighting equipment and digital services) is responsible for about 65% of the overall cost of the GÉANT network. Transmission layer cost is also dominant for NRENs.
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27. 27
Why to improve transmission layer for R&E Community
•Advanced transmission is necessary prerequisite for competitive services
•Transmission layer is too expensive, resulting in lack of funding for rest of activities
•Transmission systems are not sufficiently adaptive to R&E requirements – tailored mainly for telecom operators
•We are very far from optimal solution still, because vendors transmission technology development roadmaps were not oriented to needs of R&E community
•Situation is changing: CEF Networks are usefull for support innovation in industry (collaboration, testing etc.)
Strategy and Innovation in CEF Networks
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28. 28
How to improve transmission layer used for R&E Community
•We should specify requirements of R&E Community (from local networks to global) in advance and use some suitable method of PCP for PPI: Pre-Commercial Procurement for Public Procurement of Innovation
•We should keep independency of any single vendor development road map, R&D Community needs must be strongly preferred
•We should keep open the opportunity for new vendors, including Photonic industry
•In summary: Innovation in tendering is necessary
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Strategy and Innovation in CEF Networks