# The Microverse: A Task-Oriented Edge-Scale Metaverese
## 3 The Microverse: Rationale and Architecture
### A Hierarchical Architecture View  
Figure 1 shows a layered architectural view of the envisioned microverse framework. The physical layer contains multiple pervasively deployed IoT networks under different administration domains that are run by different service providers. Each IoT network consists of variant sensing, computing, communication, and storage devices, either as fixed infrastructure or mobile nodes. A given application or task may need resources from multiple domains to accomplish the job collaboratively. All the devices appointed to conduct the task form a network slice (NS) or a dedicated logic network. Because of the complexities and challenges of network heterogeneity and cross-domain management, a microverse is created using digital twins technology. Essentially, the microverse mirrors the IoT devices and the working environment in the digital space, enabling an immersive, interconnected 3D working environment. Following the edge-fog-cloud computing paradigm [54], the microverse functions at the edge, using the fog layers to support real-time on-site/near-site operations. The _physical layer_ forms the cornerstone of the microverse, offering essential technological and network support for its comprehensive functionality [55]. The edge network is central to the physical layer, incorporating key assets such as computational power, communication pathways, and storage capabilities that align with the contemporary shift towards decentralized and distributed computing architectures. By prioritizing edge resources in the physical layer, the microverse aims to bolster the availability and efficiency of computational processes, facilitate seamless interaction among entities, and ensure robust storage solutions. The strategic concentration on the edge network within the physical layer not only underscores the growing relevance of edge computing in modern tech landscapes but also highlights its pivotal role in crafting a resilient and flexible framework for the microverse. The _slicing layer_ (SL) is integral to the microverse, serving as a critical regulatory component that dictates the norms and guidelines governing communication and interaction within the intricate digital realm. The SL's primary function is establishing a structured system that ensures smooth and efficient data flow management, aligning with quality-of-service (QoS) requirements. The slicing layer is responsible for setting up protocols and standards that aid in the fluid exchange of information within the microverse. It aims to enhance data transmission and reception efficiency by judiciously allocating resources and bandwidth and leveraging its regulatory authority. The commitment of the SL system to QoS is evident in its ability to minimize congestion, reduce latency, and give precedence to essential data streams, thereby enhancing the overall efficiency and responsiveness of the microverse. Essentially, the slicing layer is pivotal in molding the communication dynamics within this complex framework, ensuring that digital interactions adhere to set standards and facilitating an environment that adeptly manages data traffic for high performance and reliability. The concept of a _microverse layer_, particularly within the digital twin (DT) service layer framework, introduces a model where distinct virtual realms represent and sustain each domain. The microverse layer aims to equip the metaverse with semantic models and intelligent services, forming the essential infrastructure for the application layer above. By creating separate virtual worlds for specific areas, the microverse layer offers a nuanced and contextually dense mirroring of real-world phenomena. The microverse layer integrates semantic models to capture spatial features and a holistic understanding of objects and their interplay. Incorporating intelligence into this layer significantly enhances its capacity to provide advanced services, catering to the diverse needs of applications operating at a higher level.