Short note on Network-As-A-Service (NAAS).
NETWORK-AS-A-SERVICE (NAAS)
Over the last two decades or more, traditional networking topologies have prescribed that the network hub be built around a single place, such as a data center or a company's headquarters building. This s holds the majority of the computing, storage, communications, and security equipment, and it is where corporate applications are generally housed. Traffic from branch offices and other remote sites is o routed through this hub before being sent to other destinations, including the cloud. Though such a mechanism has been standard practice for many years, it no longer fits the way many businesses function today. For starters, there has been a significant shift to the cloud. Enterprise programs that drive t business are increasingly housed in cloud platforms like Amazon Web Services or Microsoft Azure, ee as proprietary apps or as SaaS programs like Office 365 and Salesforce. Businesses frequently employ various cloud systems.
Employees are increasingly mobile or remote workers these days, but they still want safe access to company apps and resources. A VPN is the standard method for providing mobile personnel with access to laaS or PaaS services, but it may be time-consuming and costly to set up. Cloud migration and mobility are becoming increasingly popular, putting a huge strain on existing networks. Network as a Service (NaaS), along with Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as Service (SaaS), is sometimes mentioned as a distinct Cloud provider. This excludes networking, firewall, and related security from IaaS. NaaS can feature a flexible and extended Virtual Private Network (VPN) on-demand bandwidth, custom routing, multicast protocols, a security firewall, intrusion detection and prevention, a Wide Area Network (WAN), content monitoring and filtering, and antivirus. There are set criteria for what is contained in NaaS so the implementation mechanism varies. Some Network as a Service (NaaS) implementation is also referred to as Telco as a Service (TaaS).
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