Abstract
Software networks are on the verge of replacing traditional communications
network infrastructures on a large scale; they are composed of
software-defined networks, virtualized network functions, and compute
resources such as virtual machines. While software networks thrive on
scalability, high dynamics, and flexibility, they also are inherently tied
to conceptually new challenges for network management, i.e., the tasks
carried out by network operators in order to provision, maintain, and
optimize network-based IT services.
While individual management tools are made available for each software
network component by the vendors, integrated management architectures,
which enable the common management of components across the heterogeneity
of vendors and types as well as models, need to be redesigned to achieve
the same level of maturity and usefulness compared to their counterparts in
traditional networks.
This paper intends to foster research on integrated management for software
networks systematically by first defining the key characteristics of
software networks and the current management tools. Based on federated
software networks, which span over several distributed management domains,
gaps in management functionality are identified and lead to the
specification of requirements for modern integrated management platforms.
We propose measures to close the identified gaps and derive open research
issues as well as implementation recommendations.
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