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Software Defined Networking

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These changes also paved a way for more open-source software like network and switch operating systems that run on generic “bare-metal” network devices, partly replacing proprietary software stacks and removing dependence on vendor-specific features. Open-source operating systems create a possibility to tailor solutions for operator’s needs and easily innovate in networking software that was hardly accessible in the past. We, at Optime, offer software development services in SDN solutions on every layer, starting with Switch OS to high-level network applications development for visibility, analytics, configuration management, etc.

Software Defined Networking (SDN) has been a buzzword in the networking industry and more generally in IT sectors for a while now. The term is often elusively defined or explained in vast technical terms, but what it comes down to is a set of new methodologies for designing and managing contemporary networks and their software/hardware stacks. These methodologies are supposed to help network operators incorporate more flexibility in configuring networks based on ever-changing traffic needs and adopt standards-based interfaces between software and hardware layers so that they support extensibility.

Common SDN Paradigms to Drive Innovation in Your Networks

Adopting Open-source
Solutions

Several open-source projects have been developed to the extent that they have been deployed in production, and they offer reliability and free alternatives to proprietary vendor-specific software stacks. You can start adopting these solutions gradually and incorporate them into existing infrastructure to smoothly facilitate the ultimate transition to SDN architecture.

Centralized
control plane

Networks will gradually become vertically disaggregated by removing the control plane from the packet processing devices to more centralized entities, hence providing new possibilities for network policy configuration and enforcing them dynamically as the network needs change. Centralized controllers, often referred to as network operating systems, can be deployed on off-the-shelf hardware or cloud environments, and also can be tailored and extended for your use cases.

Programmability-based
network

A decoupled control plane gives immense flexibility and possibilities to providers to develop automation workflows and network functions that can result in greater infrastructure performance and cost savings.

A new level of
network visibility

SDN approach has the potential to provide a more enhanced network intelligence with a centralized view. As a result, the operators will be able to create finer network visibility tools and evaluate the quality of service metrics in detail, hence guaranteeing better application performance and dynamic network policy enforcement.

Some major network operating systems

Network operating systems (NOS) are centralized controllers that enforce and delegate control plane policies to packet processing devices, which are distributed in nature. Even though network operating systems can be deployed in a multi-region distributed manner, it’s supposed to be a single virtual entity that is responsible for orchestrating the configuration of the network as a whole. Several major NOSes are Open Network Linux (ONL), SONiC, OpenSwitch, and Open Network Operating System (ONOS). With our help, you can customize these systems and deploy them on off-the-shelf hardware to scale your network operations.

Different architectures for SDN deployment

Even though the classic SDN model dictates that the control plane be completely separated from the data plane, it's also possible to adopt SDN principles with hybrid architectures like upgrading existing software to expose APIs for centralized control. This is a more amenable arrangement for many existing network operators who don’t want or can not invest in a complete overhaul of their infrastructure. At Optime, we provide services to take your network operations to the next evolutionary level by adopting SDN principles in a hybrid deployment.