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Huawei Data Communications 2020 Review: The Logic and Track Behind IP Network Intelligence Awakening
news
2021-01-25 18:12
Classification:
News
On the one hand, there are many uncertainties, such as the new world pandemic and the international environment, and the world is exploring a path of growth with certainty.On the one hand, new technologies, new applications and new models are coming one after another, and the door of the intelligent era is about to be opened.The convergence of the two is shaping up to be an extraordinary year in 2020, accelerating the iteration of IP networks that bridge the digital and physical worlds.   Each upgrade of the connection mode will bring a qualitative leap to the development of human society.Since January 1, 1983, when TCP/IP replaced NCP in ARPANET and became the general protocol, IP network has gone through Internet IP and video-driven ALL IP in the development process of nearly 40 years. As the main carrier of the information revolution, it has profoundly changed people's life and production mode.In the face of another change of times, it is inevitable to build a more solid base with "+ intelligence".   In fact, in 2019, Huawei took the lead in releasing a new generation of data communication products with intelligent IP network architecture and AI support. Through the introduction of big data, AI technology and a new generation of protocols, data analysis and closed-loop optimization, Huawei has realized a leap from traditional IP network to intelligent IP network.   If 2019 was the year the smart IP network started, then 2020 will be its first commercial year.In this year, we have seen the clarity of relevant development concept and rich connotation, the end-to-end solution innovation covering 5G carrier to enterprise park, from IP backbone to data center, the integration of intelligent IP network and all kinds of scenarios, and the implementation in all walks of life...   What logic and trajectory does IP network and even human society follow from quantitative change to "intellectual change"?A look back at the year of Huawei's data communications business may provide an answer. The changing times call for intelligent IP network   With the deepening of digital transformation and the comprehensive popularization of 5G, cloud, AI and other digital technologies, the upgrade and transformation of IP network has become imminent.In particular, the year 2020 will be an important watershed in the face of "black swans" such as the sudden epidemic and downward pressure on the global economy.   On the one hand, ICT infrastructure has assumed the responsibility of supporting the stable operation of society and helping enterprises to get back to work. Its value has been unprecedentably magnified. For the vast majority of people, Internet has become as indispensable as "air, sunshine and water".On the other hand, the "remote, video, cloud" business changes brought by the epidemic, as well as the acceleration of the digital process of various organizations to cope with the uncertainties from the inside out, all put forward higher requirements and new challenges to the IP network.   Simply "connecting" is no longer the main goal, and "+ intelligence" is recognized as the future direction of IP networks.So how do you "make the connection smart, make the smart connect"?   On May 19, 2020, huawei's global analysis of the normal university, huawei data communications product line President Hu Kewen detailed expounds the intelligent IP network iteration logic, first clear the "smart super wide, intelligent connection, intelligence operations" three major characteristics, and share the successful experience of several industries, uncovered the intelligent IP network can make one thousand the beginning of any profession.Shortly before the conference, its intelligent IP network solution successfully passed the rigorous test of EANTC, an internationally authoritative independent testing institution, marking its mature commercial capability.       Specifically, intelligent IP network must meet the following three conditions: intelligent ultra-wide, aiming at the bandwidth demand under massive connection, through 100G to 400G, Wi-Fi 5 to Wi-Fi 6 transition to achieve a substantial upgrade of bandwidth resources, and based on slice bandwidth isolation to achieve flexible adjustment of bandwidth;Intelligent connection, aiming at the experience guarantee problem of different types of business caused by business diversity, inferred the intention by identifying the business type, and the network adjusts the resources in real time to guarantee the user's connection experience as the cloud moves;Intelligent operation and maintenance, aiming at the infinite expansion of network boundary caused by cloud and possible manual misoperation, realize rapid business adjustment through automatic deployment, and realize active operation and maintenance based on AI automatic obstacle removal to ensure high availability of network.   Huawei's definition of the next-generation IP network is not only a master plan for its own co
China Telecom plans to purchase 560,000 antennas for 4G base stations
news
2021-01-22 16:21
Classification:
News
ChinaTelecomBaseStationAntenna(2021)CentralizedProcurementProjecthasbeenapproved,thetenderersareChinaTelecomGroupCorporationLimitedandChinaTelecomCorporationLimited,theconstructionfundsareraisedbythet
Nokia Siemens Networks Leads 400G Optical Transmission Evolution, Says Backbone Network Capacity Demand Increases 60% Annually
news
2020-10-12 16:19
Classification:
News
Nokia Siemens Networks Leads 400G Optical Transmission Evolution, Says Backbone Network Capacity Demand Increases 60% Annually
5G will detonate the in-vehicle communication market, and local chip and module manufacturers will accelerate the layout of the automotive field
news
2020-09-24 10:54
Classification:
News
5G will detonate the in-vehicle communication market, and local chip and module manufacturers will accelerate the layout of the automotive field
Data Center SDN: Compare VMware NSX, Cisco ACI and Open SDN
news
2020-09-16 14:17
Classification:
News
Data Center SDN: Compare VMware NSX, Cisco ACI and Open SDN
A brief history of PON
news
2020-09-08 10:51
Classification:
News
01. EPON and GPON The story starts with the origin of PON. In the 1980s, with the rise of computer and multimedia technologies, more and more people began to own computers and began to contact the Internet (local area network or the Internet). As a result, data communication services began to rise, and the demand for Internet access emerged. In the early days, Internet services provided by operators were basically copper cables such as telephone lines, twisted pair (network cables), and coaxial cables. Technologies include ADSL (Asymmetric Digital Subscriber Line) and ISDN dedicated line (Integrated Services Digital Network). ADSL Modem These methods are either very slow or costly, and cannot meet the needs of users. As a result, optical fiber, as a new communication medium, began to enter people's field of vision. Optical fiber Since Mr. Gao Kun, a Chinese scientist in 1966, established the theoretical foundation of optical fiber communication through a paper, this technology has entered a stage of rapid development. The optical fiber manufacturing process continues to mature, and the industrial chain is increasingly taking shape. In the late 1980s, in order to apply optical fiber to broadband access services, manufacturers successively introduced their own narrowband PON technology. At that time, the speed of this technology was very low, not exceeding 2Mbps. Moreover, because manufacturers are fighting each other, there has been no unified norms and standards. In 1995, seven network operators including BELLSOUTH, BT, and France Telecom jointly initiated the establishment of the Full Service Access Network Alliance (FSAN), hoping to propose a unified optical access network equipment standard. Soon after, in 1997, in accordance with the FSAN's recommendation, ITU-T (International Telecommunication Union Telecommunications Standards Branch) introduced the APON technology system, which is the G.983.1 standard. APON is ATM PON. ATM is not an automatic teller machine, it is an abbreviation of Asynchronous Transfer Mode. The essence of ATM is a transmission protocol. The older generation of communication people must be familiar with ATM. It used to be a competitor of the IP protocol and was once very popular. In 2001, FSAN and ITU-T upgraded and revised the APON specification, and by the way changed its name to BPON (Broadband PON, broadband passive optical network). The reason for the name change is that they do not want APON to be misunderstood as only providing ATM services. In order to further improve the PON rate standard, in 2002, FSAN started a new work to standardize PON networks above 1Gbps. In March 2003, on the basis of FSAN's proposal, ITU-T promulgated the G.984 standard, which is GPON (Gigabit-capable PON, Gigabit Passive Optical Network). While FSAN and ITU-T were doing enthusiastically, another standardization organization was not idle, and started to play PON technology. It is the same famous IEEE (Institute of Electrical and Electronics Engineers). IEEE is the creator and backer of the Ethernet standard. After the IEEE released the Gigabit Ethernet standard in 1998, it was thinking about developing a PON standard based on Ethernet. In 2000, IEEE established the EFM working group and officially launched related standardization work. The full name of the EFM working group is very interesting. It is called the Ethernet for the First Mile (Ethernet for the First Mile), which belongs to the IEEE 802.3 group that develops Ethernet standards. In April 2004, the EFM working group was completed and officially launched the IEEE 802.3ah standard, which is EPON (Ethernet PON, PON based on Ethernet). With the passage of time, ATM has gradually lost its momentum in the competition with IP. APON (BPON) has also been abandoned by operators due to cost, efficiency and other reasons, and has withdrawn from the stage of history. Therefore, I won't introduce APON (BPON) more, and you don't need to know too much. We will focus on EPON and GPON, which have become the mainstream of the industry at that time. EPON and GPON are different technical systems launched by different standards organizations. There is no relationship of upgrading, evolution or substitution between the two, which can be regarded as parallel development. The key difference between EPON and GPON lies in the second layer (that is, the data link layer). EPON, at the second layer, replaces ATM with Ethernet. GPON uses a newly defined encapsulation structure GEM (GPON Encapsulation Mode, GPON encapsulation mode) at the second layer to encapsulate and map multiple services such as Ethernet, TDM, and ATM. In short, EPON and GPON have their own advantages and disadvantages. Simply put, GPON has larger bandwidth, more users, and higher efficiency, but it is also more complicated to implement, so the cost is higher.
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