Cross-origin large file transfer solution under the. NET Framework

I. Requirement: to implement cross-origin file transfer, you need to solve the following two problems:

1. Must be able to pass through the firewall,
2. Transmission of large files (> 400 mb ).
3. The client at the destination must be able to check and process the transferred files at any time.
4. Reliable message transmission must be provided for the queue.

Based on the above problems, we propose the following solutions.

II. Basic Structure:

3. Basic Process:

Basic data export process:

Import Basic flowchart:

3. Code, using service broker, WCF, Windows service.

• Introduction to Service Broker
• Service Broker Architecture
• Service Broker practices

• Create a simple window service instance

• Basic Concepts
• WCF channel model
• WCF binding
• WCF contract Programming
• Behaviors in WCF
• WCF Security

• WCF big data transmission solution