Abstract

The concept of a domain is fundamentally relevant to segment routing (SR) Flexible Algorithm (Flex-Algo) technology and to Border Gateway Protocol (BGP) backbone networks. Additionally, all Internet service providers (ISPs) employ the concept of a domain to distinguish network segments for manageability and traffic control. The existing metrics are, however, confined to nodes and links. To address this limitation, techniques are presented herein that support a number of new metrics which apply to a domain and which help an operator to improve predictive networking, network correlation, and traffic engineering at a domain level. Such metrics provide a measure of, among other things, stability, bandwidth or resource utilization, security, homogeneity, age, traffic resiliency, diversity, cost per bit, etc.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.

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