全球網(wǎng)絡(luò)趨勢報告

1、Contents HYPERLINK l _bookmark1 Introduction: State of networking for the digital HYPERLINK l _bookmark1 Introduction: State of networking for the digital HYPERLINK l _bookmark1 4 HYPERLINK l _bookmark2 The evolving role of the IT network HYPERLINK l _bookmark3 Global trends shaping network demands

2、HYPERLINK l _bookmark3 Globalization HYPERLINK l _bookmark3 Digital business transformation HYPERLINK l _bookmark4 Business automation HYPERLINK l _bookmark4 Business and operational resilience HYPERLINK l _bookmark4 Sustainability HYPERLINK l _bookmark5 Technology trends driving network evolution H

3、YPERLINK l _bookmark5 The evolving application landscape HYPERLINK l _bookmark6 IoT12 HYPERLINK l _bookmark7 AI13 HYPERLINK l _bookmark7 Mobility HYPERLINK l _bookmark8 Security HYPERLINK l _bookmark8 Immersiveexperiences HYPERLINK l _bookmark9 The need for a new kind of network HYPERLINK l _bookmar

4、k10 Cisco experts envision the emerging HYPERLINK l _bookmark10 networkarchitecture17 HYPERLINK l _bookmark11 The state ofnetworkarchitecture19 HYPERLINK l _bookmark12 Trends in network technology HYPERLINK l _bookmark12 HYPERLINK l _bookmark12 Trends in network technology HYPERLINK l _bookmark12 20

5、 HYPERLINK l _bookmark13 Network automation at scale HYPERLINK l _bookmark14 Software-defined networking: Justthebeginning25 HYPERLINK l _bookmark14 Intent-based networking: Closingtheloop25 HYPERLINK l _bookmark15 Network functions virtualization27 HYPERLINK l _bookmark15 Programmability as a netwo

6、rk foundation27in network technology (continued) HYPERLINK l _bookmark16 Open-platform IBN controllers:in network technology (continued) HYPERLINK l _bookmark16 IT process and business integration28 HYPERLINK l _bookmark17 Cross-domain policy and assurance alignment: HYPERLINK l _bookmark17 Clientto

7、workload29 HYPERLINK l _bookmark18 AI-enabledassurance30 HYPERLINK l _bookmark19 What are AI, ML,andMR?31 HYPERLINK l _bookmark20 Network complexity fuels AI adoption32 HYPERLINK l _bookmark21 How are ML and MR applied in a network context?34 HYPERLINK l _bookmark21 Current and future state of AI fo

8、r network assurance34 HYPERLINK l _bookmark22 Considerations for going forward with AI36 HYPERLINK l _bookmark23 Networking for data and applications in HYPERLINK l _bookmark23 multicloudenvironments37 HYPERLINK l _bookmark24 The network impact of changing application models39 HYPERLINK l _bookmark2

9、5 Optimizinguser-to-multicloudconnectivity41 HYPERLINK l _bookmark26 Networking for an anywhere data center45 HYPERLINK l _bookmark27 Considerations when architecting your HYPERLINK l _bookmark27 networkformulticloud48 HYPERLINK l _bookmark28 Network access and wireless HYPERLINK l _bookmark29 Deliv

10、ering a delightful mobile user experience HYPERLINK l _bookmark30 Preparing IT for wireless success HYPERLINK l _bookmark30 Current and future state of network access readiness HYPERLINK l _bookmark31 Considerations for enabling access and wireless HYPERLINK l _bookmark31 for the digital era55 HYPER

11、LINK l _bookmark32 Changing role of network security HYPERLINK l _bookmark33 Challenges with network security HYPERLINK l _bookmark34 security challenges with an intelligent network HYPERLINK l _bookmark35 Current and future state of network security HYPERLINK l _bookmark36 Trends in network operati

12、ons HYPERLINK l _bookmark36 65 HYPERLINK l _bookmark37 Current and future state of network operations HYPERLINK l _bookmark36 Trends in network operations HYPERLINK l _bookmark36 65 HYPERLINK l _bookmark37 How network advances are changing network operations HYPERLINK l _bookmark37 Network operation

13、s integration into the IT process HYPERLINK l _bookmark38 Full alignment with IT and business intent HYPERLINK l _bookmark39 Automationtoreducenetworkoperationscomplexity HYPERLINK l _bookmark39 Preventive versus reactive problem and HYPERLINK l _bookmark39 incidentmanagement72 HYPERLINK l _bookmark

14、40 Bringing operational technology connectivity HYPERLINK l _bookmark40 tonetworkoperations73 HYPERLINK l _bookmark40 Introducinganext-generationnetworkoperationsframework HYPERLINK l _bookmark41 Lifecyclemanagement HYPERLINK l _bookmark42 Policy management HYPERLINK l _bookmark43 Assurance manageme

15、nt HYPERLINK l _bookmark44 Futureofnetworkoperationspredictions2025 HYPERLINK l _bookmark45 in network HYPERLINK l _bookmark45 in network talent HYPERLINK l _bookmark45 78 HYPERLINK l _bookmark46 Preparing for changing networking skill sets HYPERLINK l _bookmark46 The biggest information technology

16、skills gaps HYPERLINK l _bookmark47 The biggest networking skills gaps HYPERLINK l _bookmark48 Increasing need for business and soft skills HYPERLINK l _bookmark48 Crossover roles more prominent in the future HYPERLINK l _bookmark49 New roles fornetworkstrategists HYPERLINK l _bookmark49 Strategist

17、of the future: HYPERLINK l _bookmark49 Delivering value beyond the network85 HYPERLINK l _bookmark50 New roles fornetworkpractitioners87 HYPERLINK l _bookmark50 Network engineers of the future: HYPERLINK l _bookmark50 Delivering value beyond connectivity87 HYPERLINK l _bookmark51 IT leaders: action

18、to fill the networking talent gap88 HYPERLINK l _bookmark52 Recommendations for IT leaders: HYPERLINK l _bookmark52 Howtobuildthenetworkteamofthefuture902020 Global Networking Trends ReportIntroduction: State of for the digital ageSection summaryKey takeawaysIntroductionsuch as globalization, digita

19、l transformation, business automation and resilience, and sustainability are shaping the requirements for a new kind of network.The evolving technology landscapeemerging cloud-native models, Internet of Things, artificial intelligence (AI), mobile, cybersecurity threats, and immersive applicationsar

20、e dramatically impacting IT networking architectures and operations.The sheer scale, complexity, and dynamic nature of these demands are exceeding the capacity of human operators alone.New networks are using emerging technologies such as AI, machine learning, and automation to simplify and secure op

21、erations, enable rapid adaptability, and augment human decision making.Global business and technology trends shaping the new network700M50%14.6B42%53%12Xedge-hosted containers20211of workloads outside the enterprise data center by 20212IoT devices by 20223annual growth in business mobile traffic, 20

22、17 to 20223of cybersecurity attackscauseUS$500,000in damage4increase in AR/ VR traffic by 2022342020 Global NetworkingReportIntroductionSection summary(continued)Essential guidance predictionIT leaders and network strategists should drive a step-by-step approachto evolving each of their network doma

23、ins toacontroller-basedmodel,buildingon automation and AItechnologies.IT leaders should build a business and technology plan that aligns to business priorities and spans architecture, technology, operations, and talent.Network strategists and network should identify career and learning pathways that

24、 will give them the skill sets neededto lead this network transformation and enhance their value.“By 2025, leading-edge networking teams will intent-based networks operating acrossdomainscampus,branch,WAN,cloud, service and security. Their networks will be able to comprehend business and application

25、 requirementsand translate them to network and security policies. Agility will be dramatically improved through the networks intelligent automation, and networks will operate with a powerful feedback loop that provides continuous monitoring, assurance, and optimization.The intent-based network will

26、ensure that business services are continuously delivered and protected across the network. These advances will lead to significant benefits for organizations and also for society at large.” John Apostolopoulos, CTO for enterprise networking, Cisco562020 Global NetworkingReportIntroduction6Introducti

27、on: State of networking for the digital In a series of memos written in 1962, J.C.R. Licklider, a director at the U.S. Department of Defense Advanced Research Projects Agency, proposed an “intergalactic computer network” in which computers around the world would be interconnected to provide quick ac

28、cess to data and programs from anywhere.5Only a few years later, in 1965, Leonard Kleinrock, Lawrence Roberts, and Thomas Merrill used telephone lines to connect four computers together, effectively creating the first wide area network as well as the beginnings of the Internet.6More than 50 years Li

29、ckliders original vision remains the same, as the network continues to connect global consumers of informationand services to applications and data sources. Everything else, of course, has changed.The evolving role of the IT networkTodays world, driven by the exponential growth in technology perform

30、ance, has become increasingly connected, digitized, distributed, and diverse. With every “thing” possessing the power to process data, compute models are poised to become dramatically more distributed and networked. And as devices and usersare added to it, the value and importance of the network as

31、measured by Metcalfes law continues to grow exponentially.Digital business continues to fuel networked innovations. IDC estimates there will be 48.9 billion connected devices in use around the world 2023,7 and the 2018 Cisco Complete VNI Forecast predicts that the average amount of data consumed acr

32、oss a network will be almost 60 GB per personal computer per month.3Its not surprising that, given this relentless growth, we find that IT teams are reaching a point where the sheer scale and complexity of networks is exceeding their ability to manage secure them effectively. Whats needed now are ne

33、w systems that combine technologies suchas machine learning, machine reasoning, and automation to simplify operations and augment human decision making.We are now on the threshold of a new era of networking, when IT can break with the traditional ways of building and operatingnetworks and embrace a

34、future powered by technologies that can solve these challenges in vastly new ways.Before we examine the emerging network technology, operations, and talent trends that form the basis for this new network, lets briefly consider the global business and technology trends driving its evolution.Figure 1

35、Global business and technology trends shaping the new networkThe new ITnetworkBusiness and global mega trendsGlobalization DigitaltransformationSustainability Process Business The new ITnetworkBusiness and global mega trendsGlobalization DigitaltransformationSustainability Process Business resilienc

36、eAutomationAccess/wirelessSecurityMulticloudTechnology trendsNew application IoTArtificial intelligence MobilityImmersive experiencesCybersecurityAINetwork technologiesNetwork operationsNetwork talentGlobal trends shaping network demandsGlobalizationA number of global and business trends are shaping

37、 the role that the network plays in an organization. Understanding these trends can help IT leaders better prepare themselves for the increasing expectations that business leaders are assigning to the network.According to 2023, 60% of enterprises will deem networking as core to their digital up from

38、 less than 20% deeming networking as a strategic A brief look at some of these global mega trends reveals the demands they will likely place on the network.AccordingtotheWorldEconomicForum,we arenowenteringadigital-driveneraofNetwork impactAs the connections between systems, people, processes, locat

39、ions, and devices get more distributed and complex, the economic value of the network to the organization will increase, while securing and managing the network will become more strategic and more difficult.globalization referred to as “Globalization 4.0.” In this era, digital goods and services, en

40、abled by digital capabilities and artificial intelligence, are the leading exports.9Network impactAs the connections between systems, people, processes, locations, and devices get more distributed and complex, the economic value of the network to the organization will increase, while securing and ma

41、naging the network will become more strategic and more difficult.Digital business transformationMore and more businesses are using digital technologies such as analytics, mobility, cloud solutions, and the Internet of Things (IoT) as the foundation for transforming their business. According to the I

42、MD and Cisco Digital Vortex 2019 report, 88% of executives believe that digital disruption will a major or transformative impact on their industries, compared with only 27% in 2015.10 Business automationThe use of automation and robotics in the coming years will continue to surge as companies look t

43、o improve quality, workforce productivity, customer satisfaction, and more. Capgemini Research Institute predicts that wide-scale adoption of automation could result in up to $471 billion in cost savings 2022 across the automotive, retail, utilities, and manufacturing sectors.11Network impactBecause

44、 automation of processes is time sensitive and mission critical, the network needs to ensure that packets are delivered reliably and on time.Network impactBecause automation of processes is time sensitive and mission critical, the network needs to ensure that packets are delivered reliably and on ti

45、me.Business and operational resilienceBecause of globalization and digital transformation, todays organizations are dependent on an increasingly complex webof technologies, systems, processes, supply chains, and infrastructure. Effective business resilience requires continuously and proactively asse

46、ssing operational risks, establishing and auditing contingency plans, and administering incident response training.Network impactThe inherent unpredictability of business requires a network that can quickly adjust to evolving requirements to enable new services, processes, and models.Network impactA

47、n agile, resilient, and secure network architecture is paramount for safeguarding employees, customers, and partners and is vital to recoveringNetwork impactThe inherent unpredictability of business requires a network that can quickly adjust to evolving requirements to enable new services, processes

48、, and models.Network impactAn agile, resilient, and secure network architecture is paramount for safeguarding employees, customers, and partners and is vital to recoveringdata and quickly reestablishing services and access.Network impactAdvanced networks offer the promise of greater efficiencies in

49、virtually all aspects of the business, from energy consumption to resource usage to emissions Network impactAdvanced networks offer the promise of greater efficiencies in virtually all aspects of the business, from energy consumption to resource usage to emissions reduction.trends driving network Ri

50、ght now a number of emerging trends are dramatically changing the IT landscape. A closer look at some of these trends reveals the impact they might on the enterprise network.The evolving application landscapeApplications and data, of course, are at the heart of digital business, and how applications

51、 are developed, hosted, and consumed is constantly changing to new business needs.Here are some of the ways that applications are evolving, and in some ways, reshaping the network:Apps and data are leaving the premises: Applications and data are being modularized intomicroservicesandmovedtomultiplep

52、ublic clouds. In some cases, they are also being distributed to the network edge. And they are increasingly being consumed from multiple software-as-a-service (SaaS)providers.Apps are modular and distributed across environments: Monolithic applications are in many cases dissolving into interconnecte

53、d microservices that are delivered via a variety of virtual and physical workloads, including containers, across the entire enterprise.According to the Uptime Institute, half of all workloads will be run outside the enterprise data 2021, either in cloud and data center infrastructures or at the netw

54、ork edge.2Apps are being built continuously and rapidly: For applications developed and hosted on-premises, IT has to accelerate its own infrastructure service creation and delivery to meet the needs of applications and users, all while containing operational costs.Apps are migrating from physical t

55、o virtual to containers to serverless: The rise of containers is exposing application design and deploymentNetwork impactWith applications and microservices popping up across all domains, the network should be seen more as a growing set of interconnected “nerve clusters” situated where the data is,

56、which could be anywhere along the edge- cloud continuum. The new network needs to able to securely connect within and between these interconnected “nerve clusters” as well as to fundamentally understand how these new application models work and to dynamically extend application policies across the n

57、etwork to wherever the applications are Network impactWith applications and microservices popping up across all domains, the network should be seen more as a growing set of interconnected “nerve clusters” situated where the data is, which could be anywhere along the edge- cloud continuum. The new ne

58、twork needs to able to securely connect within and between these interconnected “nerve clusters” as well as to fundamentally understand how these new application models work and to dynamically extend application policies across the network to wherever the applications are hosted.It is estimated that

59、 by 2021, installed and in- use container instances will exceed 3.5 billion, with over 20% of them running in distributed locations serving edge and IoT workloads.1Network impactIn addition to providing connectivity and security for an incredibly diverse range of IoT devices, network administrators

60、will need to devise scalable and efficient ways of automatically identifying, classifying, and applying policies and monitoring them to ensure proper functionality without impacting or compromising other services running on the Network impactIn addition to providing connectivity and security for an