GJR2385200R1010 81AA02E ABB模拟量输出模块

　　合作伙伴和供应商管理、服务和资源编排、网络和基础设施等关键组件利用公开能力为客户、合作伙伴和应用程序开发人员提供服务。服务公开提供了一种统一的方式来处理服务 API（由图 1、2 和 3 中的绿色和紫色箭头表示）和用户访问权限，并支持以组合产品的形式向企业、合作伙伴和应用程序交付网络服务开发商。

　　此外，公开的服务用于影响网络连接特性，例如 QoS 参数、计费条件、安全设置、网络切片选择策略规则和到选定边缘站点的流量路由，以支持在特定位置部署延迟敏感的应用程序。在后一种情况下，我们鼓励使用基于 URSP 范式的网络切片信令到用户设备 (UE)，该范式引入了基于规则的机制，将协议数据单元 (PDU) 会话流量分离到不同的边缘或非边缘网站。

　　所需 UE 暴露能力的行业一致性对于实现更高级的边缘和网络切片用例所需的更复杂的路由策略非常重要。

　　从多个角度管理移动网络中的 QoS 参数很重要。边缘计算应用程序（例如汽车和游戏）对延迟很敏感，因此通常需要在给定位置提供特定的 QoS 条件。不同物理位置的用户移动性和不均匀的无线电条件也可能影响应用程序性能。3GPP 定义了不同的 QoS 类别和参数来服务于不同类型的流量 [4, 5]。这些规则的执行在用户平面上执行，并通过 5G 系统控制平面进行控制。

　　大多数企业用例没有使用基于 URSP 的路由，而是为选定边缘上的所有流量提供 IP 锚点。IP锚点的定位是基于移动网络为移动设备选择突破点的原则。应用层选择边缘云中的应用服务器，尤其是应用运行在第三方云中的情况，如图2和图3所示。应用层必须定位移动设备并请求网络选择正确的突破点——即应用程序流量离开移动网络管理域的点。离开网络域后，应用流量必须导向的应用服务器。对于 HCP 提供的数据中心，

　　对于合作伙伴边缘上市场景，服务和资源编排提供的服务使应用程序开发人员能够利用 HCP 的标准化开发环境和 CSP 提供的服务来构建可以利用网络洞察力并推动合规性网络优化的应用程序与企业和 CSP 要求和用例。它还让企业、合作伙伴和集成商能够以一种简化的方式访问服务，而无需了解复杂的 3GPP API。

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　　Key components such as partner and supplier management, service and resource orchestration, network and infrastructure leverage exposure capabilities to provide services to customers, partners and application developers. Service exposure provides a uniform way to handle the service APIs (represented by the green and purple arrows in Figures 1, 2 and 3) and user access rights, as well as enabling the delivery of network services in combined offerings to enterprises, partners and application developers.

　　Additionally, the exposed services are used to influence network connectivity characteristics such as QoS parameters, charging conditions, security settings, network-slicing selection policy rules and traffic routing to selected edge sites to support deployments at the specific location of latency-sensitive applications. In the latter case, we encourage the use of the network slicing signaling to user equipment (UE) based on the URSP paradigm, which introduces rule-based mechanism to separate the Protocol Data Unit (PDU) session traffic toward different edge or non-edge sites.

　　Industry alignment on the required UE exposure capabilities is important to enable the more sophisticated routing policies needed for more advanced edge and network slicing use cases.

　　Managing QoS parameters in mobile networks is important from multiple angles. Edge computing applications (such as automotive and gaming) are sensitive to latency and therefore often require specific QoS conditions at given locations. User mobility and uneven radio conditions at different physical locations may also affect application performance. The 3GPP defines different QoS classes and parameters to serve different kinds of traffic [4, 5]. The enforcement of these rules is executed on the user plane and controlled through the 5G system control plane.

　　Rather than using URSP-based routing, most of the enterprise use cases have the IP anchor point for all traffic on a selected edge. The location of the IP anchor point is based on the principle that the mobile network selects the breakout point for the mobile device. The application layer selects the application server in the edge cloud, especially in the case of applications running in a third-party cloud, as shown in Figure 2 and Figure 3. The application layer must locate the mobile device and request the network to select the correct breakout point – that is, the point where the application traffic leaves the mobile network administrative domain. After leaving the network domain, the application traffic must be directed to the optimal application server. In the case of data centers provided by HCPs, this process is governed by internet rules and generally executed by HCPs’ Domain Name System (DNS) service (Amazon Route 53 or Google DNS, for example).

　　For the partner-edge go-to-market scenario, service and resource orchestration offers services that enable application developers to take advantage of HCPs’ standardized development environments and CSP-provided services to build applications that can utilize network insights and drive network optimization in compliance with enterprise and CSP requirements and use cases. It also offers enterprises, partners and integrators access to services in a simplified way without the need to understand complex 3GPP APIs.