Subject: Tech data stream switching dynamically under the base station keep-alive mechanism, communication base station equipment, optical fiber lines. Scene: Emergency tech scenario where a base station is decommissioned due to optical fiber failure, showing the process of the base station's inherent service keep-alive and data stream switching to the adjacent base station for bearer. Style: Realistic digital illustration with tech sense, smooth lines and full of futurism. Color palette: Cold tech blue as the main color, paired with bright blue-purple luster of data streams and flashing tech bright colors. Lighting: Emergency lighting after optical fiber failure, dynamic flashing light and shadow between data streams 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 main subject. Purpose: Tech product demonstration material, publicity image for communication industry business continuity solutions, technical popular science content illustration.