Patent ID: 6819673
Filing Date: 2004-11-16
Classification: H04L

Abstract:
A method for establishing a Systems Network Architecture (SNA) session between SNA resources through a packet/cell switching network having an origin access node that provides client access services and at least one destination access node that provides server access services, said method comprising:receiving a SNA session request from a source SNA resource for establishing an SNA session with a target SNA resource; broadcasting an undirected message over said packet/cell switching network; receiving one or more positive replies from respectively one or a plurality of destination access nodes that support said source SNA resource and that provide server access services, wherein said receiving includes: retrieving information relating to a traffic handling capacity of said destination access node; and retrieving a bandwidth reservation metric related to an establishment of a connection between said origin access node and said destination access node; selecting a destination access node in accordance with said information describing said destination node and in accordance with said information related to establishment of a connection between said origin access node and said destination node; and establishing a connection between said origin access node and said selected destination access node in accordance with said selecting.