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The Public Internet is made up of a huge and growing number of individual computer networks, that are joined together in myriad ways and act as relay stations for billions of packets of information that make their way simultaneously to their correct destination.
Its ubiquitous availability, open access and international reach makes the public Internet a global communications resource beyond compare, but these same characteristics also make it a lawless and potentially hazardous environment.
Security measures exist that address most threats, but these need to be maintained to counter new threats as they arise. There will always be a degree of risk, making the public Internet unsuitable for the transmission of sensitive business and personal data that must be secured by law. Remote CCTV also falls into this category.
Information can be lost, delayed and corrupted as it transits the public Internet, and this lack of 'quality of service' (QoS) control makes it unsuitable for some applications, such as business-class telephony.
For more information on the differences between the public and a Private internet, click here.
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