Abstract: A site selection controller receives, from at least one requesting entity, at least one request for establishing a session. Contents of the at least one request define a geographical distribution of participants to a session. Geographically distributed sites are preselected from a list of potential serving sites based on the geographical distribution of the participants. A probe request is sent to each of the preselected sites and at least one probe response is received. A serving site is selected for the session based on the received probe responses. An identification of the selected site for the session is sent to the at least one requesting entity. A requesting entity may include an application server. Alternatively, several users may request the establishment of the session. The probe response may provide a latency value between the preselected sites and the participants.

Abstract: A site selection controller receives, from at least one requesting entity, at least one request for establishing a session. Contents of the at least one request define a geographical distribution of participants to a session. Geographically distributed sites are preselected from a list of potential serving sites based on the geographical distribution of the participants. A probe request is sent to each of the preselected sites and at least one probe response is received. A serving site is selected for the session based on the received probe responses. An identification of the selected site for the session is sent to the at least one requesting entity. A requesting entity may include an application server. Alternatively, several users may request the establishment of the session. The probe response may provide a latency value between the preselected sites and the participants.