Method and system for gateway selection in inter-region communication on IP networks

摘要

A method including formatting an advertisement message having a dedicated preferred route to one of a first physical entity and a first logical entity of a first autonomous system (“AS”), the dedicated preferred route being based on at least two routing attributes, and transmitting the advertisement message from the first AS to a second AS. A routing device including a formatting module formatting an advertisement message having a dedicated preferred route to one of a first physical entity and a first logical entity of a first autonomous system (“AS”), the dedicated preferred route being based on at least two routing attributes, and a transmitting module transmitting the advertisement message from the first AS to a second AS.

主权项

1. A method, comprising:
formatting an advertisement message having a dedicated preferred route to one of a first physical entity and a first logical entity of a recipient autonomous system (“AS”), the dedicated preferred route indicating at least two routing attributes, wherein a first routing attribute of the at least two routing attributes is defined by a first device of the recipient AS and a second routing attribute of the at least two routing attributes is defined by a second device of the recipient AS, further wherein the first routing attribute and the second routing attribute are different community values; and transmitting the advertisement message from the recipient AS to a sender AS, wherein the at least two routing attributes are used to route traffic to be sent from the sender AS to the recipient AS.