httproute add ipmatch and cookiematch

[sdjksdajshd]

What would you like to be added:

httproute add ipmatch and cookiematch

Why this is needed:

1. Use cases for IP-based matching:

• Geolocation routing: Route requests to specific geographic locations based on the user's IP address. For example, distribute requests to server clusters located in the user's country or region to provide a better localized experience.
• Data center routing: Route requests to specific data centers for distributed deployment and load balancing. Distribute traffic to the nearest or most suitable data center based on the source or destination IP of the request.
• Blacklisting/whitelisting: Intercept or allow access to requests from specific IP ranges or individual IP addresses based on their IP addresses. This can be used for network security policies or access control purposes.

2. Use cases for cookie-based matching:

• Session affinity: Route requests to backend servers associated with a specific cookie from previous interactions to maintain consistent user sessions. This is important for applications that require session state to be preserved throughout a user's session.
• A/B testing: Split users into different backend server groups or versions based on the cookies in the request to test different features or user experiences and collect comparative data for decision-making.
• User authentication and authorization: Route users to the appropriate backend servers for authentication and authorization based on the cookies in the request. This allows separation of the authentication process from the handling of subsequent requests, enhancing security and performance.

### Tasks

[spacewander]

So you mean adding new Matchers to HTTPRouteMatch?
Some implementations like Apache APISIX support these extra matches, but I am not sure it can go into the standard or allow implementation-specific extensions.

[robscott]

Hey @sdjksdajshd, usually for potential features like this we want to see that at least 50% of implementations would be able to support a feature. Do you have some examples of where/how this is supported today?

To keep these feature requests more manageable, I'd recommend splitting them out into separate issues.

[shaneutt]

@sdjksdajshd since we haven't heard back from you on this one in some time, we're going to close this one for now.

/close

If you would still like to pursue these features, please create separate issues for each feature as Rob suggested in July.