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With network function deployed as physical appliances, being preintegrated bundles of hardware and software, new services require changing the physical structure of the network and this takes as long as months or even years and incurs the cost of a field workforce. While there has been movement from appliances towards virtualisation to separate hardware and software and enable of a more open supplier ecosystem, this has largely failed as Network Equipment Providers do not collaborate to deploy largely occurs with a single vendor's product set and there is no strong industry towards vendors deploying their software on each other’s hardware and or opening of network infrastructure is not open to multiple vendors client or third party technologiesinnovations.
The great irony here is that the traditional networks that are the foundation of the Communications Service Provider business are in fact become anchors weighing down the business. With consumers paying less to get more each year, the Communications Service Provider must continuously create new services and provide more bandwidth at a lower cost each year just to remain viable as a business yet is prevented from doing so by the underlying proprietary network technologies, underwhelming Network Equipment Provider product roadmaps and lock-term contracts that commit them to closed supplier ecosystems.
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