Patent ID: 9215204
Filing Date: 2015-12-15
Classification: H04L

Abstract:
1. A method for facilitating connections in a federated communication system, comprising: receiving at a communication server of a first enterprise a request for a connection to a first endpoint, wherein the first endpoint is outside of the first enterprise; in response to receiving the first request for the connection to the first endpoint, making, by the communication server of the first enterprise, a first request to a dynamic domain name system server of the first enterprise for required connection information; receiving from the dynamic domain name system server to the communication server a first lookup failure signal; in response to the returned first lookup failure signal, making a second request from the communication server of the first enterprise to a federation broker for the required connection information, wherein the federation broker is a dynamic naming system server for two or more enterprises; receiving from the federation broker a second lookup failure signal indicating that the required connection information is not available; and storing, in the dynamic domain name system server of the first enterprise, the indication that the required connection information for the first endpoint is not available from the federation broker.