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920-804 Technology Standards and Protocol for Converged Networks

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920-804 exam Dumps Source : Technology Standards and Protocol for Converged Networks

Test Code : 920-804
Test Name : Technology Standards and Protocol for Converged Networks
Vendor Name : Nortel
: 73 Real Questions

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Nortel Technology Standards and Protocol

EY releases zero-skills proof blockchain transaction expertise to the general public area to strengthen blockchain privateness requirements | Real Questions and Pass4sure dumps

new york, April 16, 2019 /PRNewswire/ -- EY today introduced that it'll liberate its zero-abilities proof (ZKP) deepest transaction protocol into the public area to help accelerate the adoption of cozy, deepest transactions over public blockchains. for many enterprises and investors, the inability to behavior secure deepest transactions has been an enormous impediment to thoroughly embracing public blockchain networks. 

EY - building a better working world (PRNewsFoto/EY) (PRNewsfoto/EY)


EY unveiled this primary-of-its-type technology in October 2018 at Ethereum Devcon in Prague. The preliminary prototype become a edition of EY Ops Chain, an EY flagship blockchain company utility platform tailored to be used on the public Ethereum blockchain. The prototype included a pattern give chain model inbuilt the public Ethereum network the usage of the inner most transaction expertise and a problem to developers and hackers to discover flaws within the encryption and unmask the deepest counsel. for the reason that the customary answer debut, EY groups have worked to enhance efficiency of the solution in keeping with ZKPs. 

Paul Brody, EY world Innovation chief, Blockchain, says:

"Making public blockchains secure and scalable is a priority for EY. The fastest approach to unfold this privateness-bettering expertise was to make it public. The gold normal in protection is only accomplished with the kind of severe evaluate and trying out that includes public domain releases."

on the grounds that the launch of the initial prototype last yr, EY teams have vastly decreased transaction processing expenses for clients of the preliminary prototype with the aid of greater than 90%, employing a combination of more advantageous facts encoding and a more productive ZKP protocol. 

EY will now release this expertise into the general public area. The leading component allows for for secure, inner most transfers and funds on the public Ethereum community. This helps fungible token funds suitable with the ERC-20 typical and wonderful asset transfers compatible with the ERC-721 commonplace.  The ERC specifications are publicly accepted open necessities for tokens on the Ethereum blockchain.

Transactions processed the usage of this know-how are inner most to all blockchain clients except these licensed to peer the advice. corporations will nonetheless be in a position to give full traceability and transaction historical past to auditors and regulators devoid of revealing transaction content material greater broadly.

Brody says:

"The best method to maximise blockchain adoption is to unencumber this work to the community as a real contribution, and not using a strings attached. The handiest method that blockchains carry upon their genuine promise to the world is if public blockchain networks are the favorite path for firms and buyers."

The software code is undergoing ultimate studies and is expected to be released into the general public domain in the subsequent 4 to 6 weeks. 

besides the release of the first era of EY Ops Chain Public edition into the general public area, EY has announced a suite of blockchain options and enhancements at the EY world Blockchain Summit, including the launch of EY sensible Contract Analyzer and the second era of EY Ops Chain and EY Blockchain Analyzer. 

Notes to Editors

About EYEY is a worldwide leader in assurance, tax, transaction and advisory services. The insights and quality functions they convey aid build trust and self belief within the capital markets and in economies the world over. They advance remarkable leaders who crew to bring on their guarantees to all of their stakeholders. In so doing, they play a vital position in building a far better working world for their individuals, for their clients and for their communities.

Story continues

fast music smart manufacturing unit building with TSN know-how | Real Questions and Pass4sure dumps

quick music smart manufacturing facility development with TSN expertise

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Nortel Names Gary Kunis as Chief know-how Officer; Brian McFadden to guide superior expertise, research and specifications company | Real Questions and Pass4sure dumps



March 31, 2005 14:00 ET

news liberate TRANSMITTED through CCNMatthews


NYSE, TSX image: NT

MARCH 31, 2005 - 14:00 ET

Nortel Names Gary Kunis as Chief know-how Officer;Brian McFadden to steer advanced expertise, Researchand specifications firm

TORONTO--(CCNMatthews - Mar 31, 2005) -

Nortel Networks service provider (NYSE:NT) (TSX:NT) these days announced theappointment of Gary Kunis as Chief know-how Officer (CTO). As CTO,Kunis will lead the strategic imaginative and prescient for the business's product andtechnology portfolio.

unless 2002, Kunis was the chief Science Officer at Cisco programs. One ofthe pioneers of the cyber web within the 1980s, Kunis has led numerousdevelopment and engineering breakthroughs regarding web Protocol(IP) necessities and routing expertise used to join the international webof networks that make up the cyber web.

Kunis will report to Gary Daichendt, president and chief operatingofficer (COO), beneficial April four, 2005.

"We're delighted to have Gary join their group. he's an acknowledgedInternet pioneer with a superb checklist of accomplishment and i recognize hewill provide an outstanding contribution to Nortel's technologyleadership," observed Gary Daichendt, president and chief working officer,Nortel. "His song checklist in leading the constructing, servicing and sellingof network applied sciences globally might be a robust addition. he's anexcellent senior leader who all through his profession has consistentlydemonstrated his capacity to link technology innovation with businesssuccess each internally and externally."

besides the Kunis appointment, Nortel introduced that BrianMcFadden, a 26-year Nortel veteran and the current CTO, has beenappointed to the position of Chief analysis Officer (CRO), effective April4, 2005. In his new role, McFadden will oversee the advanced know-how,analysis and standards company and should proceed to file to thepresident and COO. He might be answerable for setting Nortel's researchpriorities to make certain they aid the enterprise's company recommendations,which encompass retaining an industry leadership place in conclusion-to-endbroadband, Voice over IP, multimedia features and applications, andwireless broadband solutions. McFadden will additionally be sure that Nortelcontinues to play a lead position in trade standards and regulatoryorganizations.

"we're absolutely dedicated to becoming their business and a key componentof that's their persisted expertise leadership," observed invoice Owens, vicechairman and chief government officer, Nortel. "cutting-edge announcementreaffirms the profound magnitude of research and construction toNortel's future and their dedication to making certain their expertise decisionsare particularly integrated with their standard company approach and thedynamics of an exceedingly competitive global market. growing twodistinct expertise and research and development organizations withspecific mandates and led through two very accomplished senior executivescertainly reflects their 'enjoying to win' commitment to enhancingshareholder cost."

past in his profession, Kunis turned into concerned within the design, implementationand operation of significant scale data and telecommunications networks forseveral U.S. govt company courses, together with the department ofDefense, U.S. Navy, U.S. Air force, national Aeronautics and SpaceAdministration (NASA), in addition to for civilian groups while workingfor the Boeing company. Kunis also held a number of senior engineeringpositions with Boeing's business and protection-connected companies.

A graduate of the State tuition of new york (SUNY) at Binghamton witha Bachelor of Arts diploma in Economics, Kunis also holds a grasp'sDegree in Economics from Tufts tuition.

Kunis and McFadden have also been appointed CTO and CRO, respectively,of Nortel Networks restricted, the business's predominant operating subsidiary.

About Nortel

Nortel is a recognized chief in providing communications capabilitiesthat increase the human event, ignite and power international commerce, andsecure and protect the realm's most critical suggestions. Serving bothservice provider and enterprise purchasers, Nortel delivers innovativetechnology options encompassing conclusion-to-conclusion broadband, Voice over IP,multimedia features and applications, and instant broadband designed tohelp people solve the world's ideal challenges. Nortel does businessin more than 150 countries. For more information, seek advice from Nortel on theWeb at For the latest Nortel information,

certain information blanketed during this press unlock is ahead-lookingand is field to vital hazards and uncertainties. The effects orevents expected in these statements may additionally range materially from actualresults or pursuits.

elements which might trigger consequences or activities to differ from currentexpectations include, among other issues: the outcome of regulatory andcriminal investigations and civil litigation movements regarding Nortel'srestatements and the have an impact on any resulting felony judgments, settlements,penalties and charges might have on Nortel's effects of operations,financial situation and liquidity; the findings of Nortel's independentreview and implementation of suggested remedial measures; the outcomeof the unbiased evaluate with appreciate to revenues for specificidentified transactions, which evaluate may have a particular emphasis onthe underlying behavior that resulted in the preliminary cognizance of theserevenues; the restatement or revisions of Nortel's in the past announcedor filed financial effects and resulting bad publicity; theexistence of fabric weaknesses in Nortel's internal controls overfinancial reporting; the have an effect on of Nortel's and NNL's failure to timelyfile their fiscal statements and linked periodic stories, includingbreach of its aid facility and public debt obligations and Nortel'sinability to entry its shelf registration observation filed with theUnited States Securities and change commission ("SEC"); ongoing SECreviews, which may end up in alterations to their public filings; thepotential delisting or suspension of Nortel's and NNL's publicly tradedsecurities; the impact of management adjustments, including the terminationfor reason for Nortel's former CEO, CFO and Controller in April 2004; thesufficiency of Nortel's restructuring actions, together with the workplan announced on August 19, 2004 as up to date on September 30, 2004,including the skills for larger precise charges to be incurred inconnection with restructuring moves compared to the estimated prices ofsuch moves;

cautious or decreased spending with the aid of Nortel's customers; fluctuations inNortel's working outcomes and conventional business, economic and marketconditions and boom costs; fluctuations in Nortel's money stream, levelof dazzling debt and existing debt ratings; Nortel's means torecruit and continue certified personnel; the use of money collateral tosupport Nortel's general route enterprise actions; the dependence onNortel's subsidiaries for funding; the influence of Nortel's definedbenefit plans and deferred tax assets on outcomes of operations andNortel's money movement; the adverse decision of class moves, litigationin the average course of enterprise, intellectual property disputes andsimilar concerns; Nortel's dependence on new product construction and itsability to foretell market demand for specific items; Nortel'sability to integrate the operations and technologies of acquiredbusinesses in a superior manner; the impact of rapid technological andmarket trade; the have an effect on of price and product competitors; obstacles tointernational increase and international economic conditions, especially inemerging markets and including pastime fee and foreign money exchange ratefluctuations; the have an effect on of clarification and consolidation in thetelecommunications business; changes in regulation of the internet; theimpact of the credit score dangers of Nortel's valued clientele and the impact ofcustomer financing and commitments; stock market volatility generallyand as a result of acceleration of the settlement date or earlysettlement, which is currently now not available, of Nortel's forwardpurchase contracts; the have an effect on of Nortel's give and outsourcingcontracts that comprise birth and installing provisions, which, ifnot met, could result in the fee of massive penalties orliquidated damages; and the longer term success of Nortel's strategicalliances.

For additional info with appreciate to definite of these and otherfactors, see essentially the most fresh Annual record on kind 10-okay and QuarterlyReport on kind 10-Q filed by Nortel with the SEC. except otherwiserequired by relevant securities laws, Nortel disclaims any intentionor responsibility to replace or revise any ahead-searching statements,even if as a result of new guidance, future pursuits or in any other case.

Nortel, the Nortel brand and the Globemark are trademarks of NortelNetworks.


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Technology Standards and Protocol for Converged Networks

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MEF lines up SD-WAN and LSO Sonata standards for Q2 release | real questions and Pass4sure dumps

MEF plans to have its SD-WAN and LSO Sonata API standards published late in the second quarter of this year, along with a slate of other activities on tap throughout the remainder of the year.                    

The forum is aligning various key components this year to aid operators with orchestrating their services across software-defined networking (SDN) and network function virtualization (NFV)-based networks.

That alignment is taking place across its MEF 3.0 framework that includes standardized services, LSO (Lifecycle Service Orchestration) APIs, services, technology and professional certification, proof of concept demonstrations and other community activities.

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RELATED: MEF tunes up LSO Sonata in a developer release, defines SD-WAN and bows enterprise community

Two key areas of MEF's overall body of work this year are the SD-WAN and inter-carrier LSO Sonata standards. Using a programmatic API-to-API interface, the LSO Sonata APIs allow service providers to automate and provision their services between their separate software-defined networking (SDN) architectures.

With the LSO Sonata APIs, carriers can reach beyond their physical networks to offer on-demand services, such as Carrier Ethernet, to customers that are doing business outside of their own footprints. The LSO Sonata APIs enable the SDN network-to-network interfaces (NNI) engagements.

Telcos that have SDN-enabled networks in place that plan to launch Carrier Ethernet services this year using Sonata include AT&T, Orange Business Services and Colt Technology Services, all of which said at MEF18 that they would have their respective LSO Sonata implementations, mainly E-Line services, available in the first quarter of this year. AT&T declined to comment on whether it has deployed a live service using those APIs while Orange and Colt didn't reply by deadline Friday.

"We have quite a few service providers, a growing number, that are interested in the work around LSO Sonata," said MEF's Stan Hubbard, director of communications and research. "But many of the service providers have to address this first hurdle, which is updating their OSS BSS systems and automating their processes. So a lot of this transformation has to take place internally."

At the MEF18 conference in October, MEF announced that the LSO Sonata APIs were available as a developer release. MEF also announced its MEF 3.0 SD-WAN Service Attributes and Service Definition Standard project at the same the conference.

"The goal here with the SD-WAN s standardization is that they want to make sure that people are using the same terminology when buying and selling and assessing SD-WAN services," said Hubbard. "The key points here are that the service provides a virtual overlay network that enables application aware, policy driven and orchestrated connectivity."

"With the standard, we're getting into the various service attributes, and they have content in there related to the policies as well. So it goes through the various characteristics of the service, the components of the service and how the attributes relate to the policies."

While MEF is taking a service provider, managed services approach to SD-WAN with its standard, not all of the more than 50 SD-WAN vendors in the marketplace think there's a need for it. Amir Zmora, co-founder and CEO of SD-WAN startup flexiWAN, said in an interview with FierceTelecom earlier this month that even large enterprises might not want the full-suite of what's in the SD-WAN standard as well as being told which firewall or security vendors they should use.

"As somebody who was vice president of product for a company that implemented standards, I can't say that I'm in favor of standardizing this because I think the important thing is really to standardize the API," Zmora said. "Why should the standard dictate to them (enterprises) what to do? So in reality, everybody will do whatever they want regardless of the method."

The MEF 3.0 initiatives are focused across three primary areas: enabling service providers to transform their businesses, services, and networks; federating on a global basis; and certifying that their service offerings comply with MEF 3.0 standards

As part of its MEF 3.0 certification programs, MEF is working on new pilot MEF 3.0 SD-WAN and LSO Sonata Orchestrated Services certification programs that it plans to release later this year. Drawing on its many years of Carrier Ethernet certification, MEF expanded its professional certification program last year include SDN and NFV certification.

"So in order to be able to achieve this goal of having this entire global ecosystem interoperate with each other, we've got to move through several key steps," Hubbard said. "One of the big challenges service providers have is this skills gap with SDN/NFV professionals in particular. This is the only training and certification program in the industry that addresses the skills that are required to support this transformation with SDN and NFV."

MEF has also put all of its demonstration and implementation actives under the MEF 3.0 Proof of Concepts.

"The idea here is that the proof of concepts that were core elements at last year's MEF18 will continue to live on and mature over time," Hubbard said. "So it becomes a nice opportunity for members that are already engaged to work with other members to continue to make advances and feed that back into the standards development process. So that's one of the key things that we're doing this year."

In January, MEF came out with a security-as-a-service project, which is called MEF 3.0 SECaaS, that's focused on application protection in SD-WAN environments.

"There's a lot of focus on really addressing the security right up front when enterprises are looking to purchase services, and they want to make sure that they cover the SD-WAN angle here with the application protection," Hubbard said.

Last year MEF published its first optical transport services specification (MEF 63) for subscriber services that support Ethernet and fiber channel client protocols as well as SONET/SDH client protocols for legacy WAN services.

MEF is working toward the release of a companion optical transport services standard for operator services in the fourth quarter of this year that it says will enable simplified, faster interconnection between operators and service providers.

"So for 2019, one of the key things that we're doing is focusing on helping service providers transform across the board, including their services and their networks, but also at the business and organizational levels," Hubbard said.

Time Sensitive Networking for industrial systems: Why an ecosystem approach is needed | real questions and Pass4sure dumps

Time Sensitive Networking for industrial systems: Why an ecosystem approach is needed

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Trends in COTS embedded networks | real questions and Pass4sure dumps

Designers of rugged military and aerospace systems continue to look to the commercial world for networking technology – leveraging available Ethernet switch chips to connect between processing modules and PHY devices to link systems over fiber-optic or copper cables. However, using the latest high-performance networking technology in deployed systems based on modular commercial off-the-shelf (COTS) standards isn’t always practical. While the latest commercial devices support IEEE standards for 100G Ethernet and beyond, based on 25G and 50G SerDes technology, OpenVPX systems using the standard MultiGig-RT2 connector have so far been limited to 10G SerDes signals.

Designers using high-performance and feature-rich commercial Ethernet technology to connect their embedded systems can deploy a growing range of techniques for managing traffic flows on their networks. Faster networks can carry more traffic, from more sensors and applications, on a single link, but care must be taken to ensure critical data isn’t delayed or dropped. These trends – performance and convergence – are two of the most significant factors influencing today’s COTS networking designs.

Performance for the most demanding systems

In the past, meeting the performance needs for defense electronic applications often necessitated the use of custom hardware and FPGAs. Today, the technical challenge faced by many designers is how to implement high-speed interfaces in board-and-backplane modular systems.

Modular systems based on VPX backplanes have been proven and deployed using 10G and 40G Ethernet, but moving to 100G Ethernet and beyond will require the use of 25 Gbps or faster SerDes technology. The use of Ethernet at 10 Gbps and above has also driven a growing need for optical interconnect solutions. A wide array of commercial products is available for implementing optical links. However, no single approach has emerged as the de facto standard for rugged systems. As a result, few COTS products integrate optical interfaces, leaving integrators to convert from electrical to optical in their systems.

Convergence of networks

Faster Ethernet links also mean it’s now practical to use a single network to carry data from multiple different systems over a single cable. Ethernet in aerospace and defense systems can now carry a mix of voice, video, and data from various sensors and applications. This “converged” network can replace multiple single-purpose cables, providing substantial SWaP benefits and increased flexibility when adding new capabilities to a platform.

As network designers seek to transmit multiple sources over the same data pipe, a major concern is the potential for interference or contention that delay real-time traffic. For time-sensitive or safety-critical applications, deterministic performance may be essential. Faster networks don’t necessarily deliver lower latency for critical messages if ­less-critical traffic leads to network congestion.

One solution for getting closer to real-time networking is to implement policies that ensure critical data has the highest priority. Another approach is to divide the network into fixed time slices where each application or host is given exclusive access to the network during its assigned slice. These methods can help provide service guarantees along with bounded end-to-end latency, including on networks that use standards-based Ethernet.

In recent years, a range of IEEE standards have been ratified to enable “time-sensitive networking” (TSN). TSN mechanisms being implemented in new switches have emerged to address the need for real-time scheduling, including:

  • 802.1Qbv: Enhancements for Scheduled Traffic – enables time slicing
  • 802.1Qch: Cyclic Queueing and Forwarding – reduces jitter
  • 802.1Qcc: Stream Reservation Protocol – allocates capacity to avoid congestion
  • Whether they implement the latest TSN standards or vendor-specific QoS mechanisms, today’s embedded switches can enable traffic from a variety of sources, combining mission-critical and latency-sensitive real-time data on converged platform wide networks.

    Curtiss-Wright’s VPX3-687 10 Gigabit Ethernet Switch – with support for gigabit, 10 Gbps, and 40 Gbps Ethernet – is an example of a high-performance Ethernet switch designed to connect the next generation of 3U OpenVPX systems. (Figure 1.) It provides switching throughput of up to 320 Gbps and full line-rate forwarding of up to 32 by 10 GbE or 8 by 40 GbE interfaces. Its nonblocking architecture is suitable for low-latency control plane and high-throughput data plane applications.

    21 Figure 1: The VPX3-687 is designed to connect the next generation of 3U OpenVPX systems.

    (Click graphic to zoom)


    Andrew McCoubrey is the product marketing manager, switching and routing solutions, for Curtiss-Wright Defense Solutions.

    Curtiss-Wright Defense Solutions

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