Alexey, Ekaterina, Pavel, These resources will be useful for you:
- Thin client protocol spec <https://apacheignite.readme.io/docs/binary-client-protocol> - .NET thin client code <https://github.com/apache/ignite/tree/master/modules/platforms/dotnet/Apache.Ignite.Core/Impl/Client> - Java thin client code <https://github.com/gridgain/apache-ignite/tree/ignite-7421/modules/thinclient> (this is a work-in-progress in a development branch) Please post your questions and ideas - the community will help.