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Ctrip Technology
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Ctrip Technology

Official Ctrip Technology account, sharing and discussing growth.

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Recent Articles

Latest from Ctrip Technology

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Ctrip Technology
Ctrip Technology
Feb 22, 2024 · Backend Development

Design and Implementation of a Serverless Data Filling Engine for UnifiedPB in Ctrip Hotel Recommendation System

This article describes how Ctrip's hotel recommendation team built a serverless, configuration‑driven data‑filling engine based on UnifiedPB protobuf schemas to improve development efficiency, reduce cost, ensure data quality, and achieve unified three‑region data delivery across more than twenty recommendation scenarios.

Data EngineeringServerlessbackend
0 likes · 12 min read
Design and Implementation of a Serverless Data Filling Engine for UnifiedPB in Ctrip Hotel Recommendation System
Ctrip Technology
Ctrip Technology
Jan 26, 2024 · Artificial Intelligence

Implementing Plugin Functionality for a Large Language Model Chatbot Using Function Calling and Asynchronous Execution

This article explains how Ctrip's security R&D team built a web‑based LLM chatbot with version‑2.0 features such as plugin support, function calling, synchronous and asynchronous execution, WebSocket/Socket.IO communication, and provides full Python code examples for defining and invoking plugins.

AIFunction CallingLLM
0 likes · 15 min read
Implementing Plugin Functionality for a Large Language Model Chatbot Using Function Calling and Asynchronous Execution
Ctrip Technology
Ctrip Technology
Jan 11, 2024 · Backend Development

Building a Backend Java Code‑Analysis Platform for Precise Testing and Application Slimming

This article describes how to construct a code‑analysis platform for Java micro‑services that builds a knowledge base through static, semi‑dynamic and dynamic analysis, enabling precise test‑case selection and safe removal of dead code to improve iteration efficiency and system maintainability.

Dynamic Analysisapplication slimmingcode-analysis
0 likes · 17 min read
Building a Backend Java Code‑Analysis Platform for Precise Testing and Application Slimming
Ctrip Technology
Ctrip Technology
Dec 28, 2023 · Frontend Development

Understanding Atomic CSS and Facebook’s Stylex: Concepts, Trade‑offs, and Practical Usage

This article explains the principles of Atomic CSS, discusses its advantages and drawbacks, shows how Facebook’s open‑source Stylex implements Atomic CSS with Babel, and demonstrates practical usage patterns such as stylex.create, stylex.props, defineVars, and createTheme to improve front‑end performance and maintainability.

CSS-in-JSStyleXatomic CSS
0 likes · 16 min read
Understanding Atomic CSS and Facebook’s Stylex: Concepts, Trade‑offs, and Practical Usage
Ctrip Technology
Ctrip Technology
Dec 21, 2023 · Backend Development

Load Balancing ASR Services in Ctrip Call Center: Architecture and Implementation with FreeSWITCH and OpenSIPS

This article details the design, evolution, and best‑practice implementation of load‑balancing for ASR (speech‑recognition) services in Ctrip's massive call‑center, covering component architecture, MRCP integration, challenges with traditional balancers, and two practical solutions using FreeSWITCH distributor and OpenSIPS.

ASRFreeSWITCHLoad Balancing
0 likes · 27 min read
Load Balancing ASR Services in Ctrip Call Center: Architecture and Implementation with FreeSWITCH and OpenSIPS
Ctrip Technology
Ctrip Technology
Dec 14, 2023 · Operations

Improving Optical Transport Network Reliability at Ctrip: Architecture, Issue Analysis, and Optimization Strategies

This article describes Ctrip's optical transport network (TOTN) architecture, analyzes frequent fiber‑cut incidents and resulting device port flapping, presents technical research on fast optical switching and alarm delay, and details an optimization plan that achieved sub‑100 ms fault‑free switchover and stable Redis performance.

DCILink DelayNetwork Reliability
0 likes · 11 min read
Improving Optical Transport Network Reliability at Ctrip: Architecture, Issue Analysis, and Optimization Strategies
Ctrip Technology
Ctrip Technology
Nov 23, 2023 · Big Data

Optimizing Data Warehouse Timeliness Using Metadata Lineage

This article presents a metadata‑driven approach to improve data warehouse timeliness by extracting upstream lineage, identifying over‑layered, duplicate, and critical‑path tasks, and applying targeted scheduling and code‑level optimizations, demonstrated with a hotel order wide‑table case study.

DAGData PipelineData Warehouse
0 likes · 7 min read
Optimizing Data Warehouse Timeliness Using Metadata Lineage
Ctrip Technology
Ctrip Technology
Nov 9, 2023 · Backend Development

Exploring Ctrip Flight IVR Visual Platform: Architecture, Evolution, and Implementation

This article details the evolution of Ctrip's flight IVR system from a simple Chinese‑only version to a multilingual, fully visualized low‑code platform, describing its architecture, core components such as data definition, rule and script engines, version management, and the underlying Node.js and React technologies.

Backend DevelopmentIVRNode.js
0 likes · 14 min read
Exploring Ctrip Flight IVR Visual Platform: Architecture, Evolution, and Implementation