C＃Interop with C vs Interop with Java：哪个更好/更容易/更快？

I have an application in C# that currently authenticates to LDAP. We want to extend functionality to support IBM's Tivoli Access Manager, which is comprised of a Policy Server, and an LDAP server (and other modules as well). Unfortunately authenticating with the LDAP server for our customer is not acceptable, thus we must bind with the policy server instead.I have an application in C# that currently auth