Subject: Technical data stream switching dynamically under base station keep-alive mechanism, communication base station equipment, optical fiber lines. Scene: Emergency technical scenario where the base station is deactivated due to optical fiber failure, showing the process of the base station's endogenous business keep-alive and data stream switching to adjacent station for bearing. Style: Realistic digital illustration with a technological sense, smooth lines and full of futurism. Color palette: Cold tech blue as the main tone, matched with bright blue-purple luster of the data stream and flickering technical bright colors. Lighting: Emergency lighting after optical fiber failure, flickering dynamic light and shadow between data stream and base station, smooth line transitions. Composition: The picture focuses on the core business data stream switching process, with the communication base station as the background, highlighting the dynamic process of the subject. Use cases: Technical product demonstration materials, publicity pictures of communication industry business continuity solutions, illustrations for technical science popularization content.