Original Zhu Jiaming
In the past 200 years, the speed of scientific development has been accelerating, and we have now reached the extreme of speed.
— Charles De Feynman
I have written a preface for several monographs on the metaverse. Now it is quite challenging for me to preface the book "Top Ten Technologies of the Metaverse - Grasping the Pulse of the Digital Economy" written by Ye Yurui, , Li Anmin, , He Chao and others. Because, the book has indeed pushed up people's cognitive level of the metaverse . Through the Merge project of Helium, SETI@home and Pak, the author explains that the future of the metaverse will be the "next generation network of creativity, thought and consciousness collaboration" and the "multi-dimensional mutual trust network".
Metaverse is not a virtual image of mirage , but a "virtual reality world" supported by the technical system. Then, interprets the technical system of the metaverse, which is almost the prerequisite for cognizing the metaverse. . This book proposes the concept of the "technology stack" of the metaverse and summarizes the metaverse technology system into the five pillar technologies and five basic technologies of . Among them, the "five basic technologies of the metaverse" include: computing technology, storage technology, network technology, system security technology and AI technology; the "five pillar technologies of the metaverse" include: interaction and display technology, digital twins and digital native technology, technology to create identity systems and economic systems, technology to content creation and governance technology. This book further provides readers with the "Five Basic Technologies of the Metaverse" as the underlying layer and the "Five Pillar Technologies of the Metaverse" as the second level of the "Ten Major Technologies of the Metaverse". Not only that, the whole book of has made original, profound interpretations of the above ten technologies, both macro and historical perspectives.
What is particularly worthy of recognition is the discussion of the following technologies:
First, digital twin technology. Without digital twins, there is no way to talk about the meta-universe. This book first explores the six commonalities of digital twins: digital twins are a digital model of in virtual space; digital twin models correspond to physical space entities; digital twin models are generated using real-time and historical data collected by sensors through digital methods; digital twins cover the entire life cycle of the corresponding entity on the timeline; digital twins are functionally mapping, simulation and simulation. Furthermore, the following meta-universe definition is extracted: " digital twin is a digital model that can be abstracted by collecting real-time data and integrating its historical data using digital methods to map the entity throughout its life cycle, simulate and simulate the digital model in the virtual world ." Afterwards, this book demonstrates the "ideal form of digital twin" through time, space, data, connection and application of many dimensions. On this basis, this book proposes a "digital twin hierarchical technical architecture" with four levels: data, modeling and computing, function and experience.
Second, digital native technology. This book describes the connotation of digital native in this way: " Digital native is generated from the virtual digital world and used, owned, and displayed in the digital world, thereby producing its value. That is, digital native is to produce new scenes, new objects, and new ‘human’ (virtual digital human) in the digital virtual world outside the existence of the human physical world." The value of digital native to the metaverse is of great significance: "Digital natives and fields will be the main components of the virtual environment in the metaverse. Virtual digital humans will be citizens in the metaverse and form human society and civilization in the metaverse together with the incarnation of humans in the real world. Digital native knowledge may have a more profound impact on the metaverse and even human society."
3, computing technology.Because the metaverse is a super-large-scale system composed of hundreds of millions of individual devices, it poses more and greater challenges to computing: "Computation tasks, across architectures and platforms", "Computation locations, across cloud edges", "Computation interactions, across virtual and reality". Further analysis shows that metacosmic computing presents a series of new features: (1) The separation of software entities and hardware platforms, that is, software work tasks, and decoupling from the hardware platform that supports it; (2) The architecture of metacosmic computing is more and more numerous, and the device forms are becoming more and more abundant - the system hierarchy leads to the coexistence of "concentration and distribution"; (3) The microscosmic computing of metacosmic computing is "super heterogeneous computing", that is, the advantages of collecting CPU, GPU and DSA, from isomorphic CPUs, heterogeneous CPUs + GPUs to super heterogeneous computing of CPUs + GPUs + various types of DSAs. To this end, meta-universe requires process innovation and architectural innovation in computing technology .
Fourth, storage technology. This book points out the risks of digital assets such as NFT or digital collections: the original data corresponding to the on-chain index is actually stored on a centralized device, such as encrypted punk avatars are stored on the centralized server of Lava Labs. The damage to the original data will cause NFT to lose its meaning . Facing this challenge, blockchain storage is needed, a kind of decentralized storage. The definition, ins and outs and separation of blockchain storage was introduced, and possible development paths were actively explored. Interestingly, the transformation of resource utilization is explored around the separation of ownership, operation rights and use rights.
Fifth, network technology. This book proposes the concept of "metauniverse network", that is, to realize a hyperconnection between reality and virtuality, forming a three-element fusion of digital twin environments and "human, machine and object": a physical person can continue to immerse himself in the world of digital people, and physical scenes can be synchronized into the metaverse in real time. A network that supports hyperconnection requires a larger range and a space-time continuity. To this end, "in addition to the traditional Internet based on TCP/IP (Transmission Control Protocol/Internet Protocol) protocol, more types of heterogeneous network need to be fully integrated to realize the interconnection of everything and the symbiosis of human-computer." On the technical level: the content experience of the metaverse requires high network bandwidth; the real-time interaction of the metaverse requires low network latency; the "human-machine-object" interconnection of the metaverse requires heterogeneous network fusion. In short, " The network of the meta-universe era must be able to provide stable and lasting real-time connections to meet the data transmission requirements of high bandwidth, low latency, high stability, decentralization, etc. ". It is now clearly foreseeable that 5G/6G and WiFi 6/7 help to seamlessly hyperconnect with reality and virtuality, and software-defined Wide Area Network (SD-WAN) helps to expand and converge on demand in the metaverse. In short, Metauniu Network is a network system based on cutting-edge IT technology, characterized by hyperconnection, wide coverage, strong edge and high intelligence.
6th, AI technology. Whether the content in the metaverse is created out of thin air or copied from reality, AI will give the metaverse innovative content and intelligent "brain". Without the combination of AI and the metaverse, the growth of the metaverse is completely impossible. For example, GAN (Generated Adversarial Network) belongs to a deep learning model. It can automatically generate content or enhance content, making AIGC (AI Generated Content) an important content source in the meta-universe era . The importance of AI to the metaverse is also reflected in the "fusion of virtual and real": AI fills the gap between digital and physical people." Because only through reinforcement learning (Reinforcement Learning), virtual people are more like physical people; through federated learning: physical people become digital people, and privacy can be preserved. In short, "The influence of the meta-universe on reality can be elevated from the level of intelligence to the level of wisdom. The meta-universe learns intelligence from the behavior of physical humans, and vice versa can also draw wisdom from the meta-universe.The conclusion is derived from people's observations on the huge simulation system of human and environment provided by the metaverse. It can be imagined that the allocation of energy, computing power, storage, and bandwidth resources in the metaverse will also be AI-based. This book's thoughts on the metaverse and artificial intelligence are in line with "Broadly meaning artificial intelligence" (Birate The direction of AI is to combine the previous logic-based symbolic AI with existing data-based neural AI, because generalized AI can meet the needs of artificial intelligence such as knowledge transfer and interaction, robustness, abstraction and reasoning capabilities, and efficiency. . [1]
If, only affirms that this book proposes about meta-universe technology The overall image of the system analyzes the structure, value and technological development direction of each technology. It belongs to a technical book about the meta-universe, which is an underestimation of the value of this book. This book is also remarkable in exploring the philosophical significance behind the meta-universe technology. This book clearly writes in the first article: "Metauniverse: the Internet of consciousness and life", and from the perspective of the earth and mankind, the evolution of the universe is divided into five stages: the zero universe (singularity) is the universe 0.0; the physical universe The universe is Universe 1.0; the life universe is Universe 2.0; the person universe is Universe 3.0; the metaverse is Universe 4.0. Whether you agree with the author's evolutionary stage of dividing the universe is one thing, but it is very enlightening to incorporate the metaverse into the system of human cognition of the universe. In particular, the author introduced the proposition of "I think so I am" in , Descartes , and the concept of "cognizing" by Kevin Kelly in the book "Necessary" to Thinking about the metaverse touched the core question of the metaverse: Will the metaverse be a brand new "universal agent" based on artificial intelligence, transcending the real human beings, with native virtual humans as the main body?
In the last part of this book, the authors return to the future of human consciousness development and artificial intelligence: "both human brain and super brain need to form the concept of 'self'. " machines have to have self-awareness when dealing with some complex tasks, because artificial intelligence technology makes artificial consciousness (Artificial) Consciousness) has become a reality, that is, the self-awareness of machines is not a possible problem now. The curtain of the robot era has been unveiled . The important function of the metaverse is to provide such an interactive interface between humans and machines, create breakthrough progress in artificial intelligence, and accelerate the arrival of the post-human era. In this sense, it is not difficult to understand: Everything in the metaverse is a computer (XaaC) is associated with everything (XaaS). Because the metaverse is the "Sea of Consciousness" realized through calculation .
In short, the book has considerable knowledge content, covers a wide range of technologies, basically covers the evolution of all technologies involved in the metaverse at this stage, and has made in-depth and shallow The explanations are presented, and they depict the application prospects of related technologies in the metaverse, which plays a good popular science role for ordinary readers. . It is particularly important to be affirmed that this book predicts the development direction of heterogeneous chip architecture, instruction architecture, operating system, virtualization, data center, storage, network, bandwidth and other fields in the future metaverse construction, as well as the direction of software-defined hardware, open source acceleration standards and interface unification. The author's deep thoughts on the metaverse have left new problems and thinking space for readers with technical backgrounds to think about the development direction of metaverse technology .
Of course, this book has some problems: the statement of the five stages of the evolution of the universe - novel, but as a scientific discussion, there is a lack of in-depth argumentation; some problems are also related to the connection between the format and chapters of the whole book.
At the end of this preface, I would like to ask readers to pay attention to the last paragraph of this book: "As human subjective abilities become stronger and more powerful and free will be released more and more fully, humans' understanding of the world is constantly moving closer to the real physical world, and on the other hand, they are constantly seeking transcendence and gradually developing and becoming stronger than the physical world. Therefore, we have reason to think that: With the increasing development of cognition, the future of human machines requires the design of human beings and the guidance of free will, so that human beings can become sages, establish their minds for the meta-universe, and open peace for all ages. ". This is by far the most impactful text about the value of the metaverse. I still insist that humans need to be humble and see their limits, including artificial intelligence and metacosmic networks, and the limits of the metacosmic. Finally, I conclude with a passage from American computer scientist and the first Turing Award winner (Alan Perlis, 1922‒1990), saying: "Spend a year in artificial intelligence is enough to make people believe in God."
April 15, 2022
1[1] Recently, Professor Sepp Hochreiter, the founder of the Austrian Institute of Advanced Artificial Intelligence (IARAI), published a paper in "ACM Communication", systematically elaborating on the principles of broad AI (broad AI).
included in the collection #Metauniverse 6 #Zhu Jiaming 1 #AI1 #Awareness 1 #Awareness 1 #Multi-dimensional co-creation mutual trust network 1
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