Patent ID: 8966113
Filing Date: 2015-02-24
Classification: H04L

Abstract:
1. A method comprising: requesting, in a request, an interdomain Traffic Engineering Label Switched Path (TE-LSP) between a source domain and a destination domain, the request containing an original TE-LSP attribute for the interdomain TE-LSP, wherein the original TE-LSP attribute is provided at the source domain, and wherein the interdomain TE-LSP is an end-to-end tunnel configured to guarantee a predetermined level of quality of service and traverse one or more intermediate domains that are configured to translate original TE-LSP attributes into intermediate domain TE-LSP attributes; requesting, in the request, restoration of the original TE-LSP attribute upon entrance into the destination domain; receiving the request at an intermediate domain; translating the original TE-LSP attribute at the intermediate domain into an intermediate domain TE-LSP attribute using a translation map; and restoring the intermediate domain TE-LSP attribute into the original TE-LSP attribute when the request reaches the destination domain.