What is the fine-grained topic of the following text: GTT Communications, Inc. (NYSE: GTT), the leading global cloud networking provider to multinational clients, and GBI, a global service provider that owns and operates a multilayer, carrier-neutral network connecting the world to the Middle East, jointly announced that they have formed a strategic relationship to provide enhanced services and connectivity in the Middle East. Only return the topic.
Strategic partnership between GTT Communications, Inc. and GBI to enhance services and connectivity in the Middle East