what is VPN?

[rodparchal]

hello,

i am rodparchal from russia.
i want to know about VPN? i m college student and it is one of the our subject in networking. so please give me proper meaning for VPN.

rodparchal

[jamesniche]

hey rodparchal,

cool cool, when i was in college i read book regularly but some topic i had to go on internet. and this is the best way to put your question into forum.

i read about vpn on one site. i think it will help u.

virtual private network, a network that is constructed by using public wires to connect nodes. For example, there are a number of systems that enable you to create networks using the Internet as the medium for transporting data. These systems use encryption and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.

jamesniche

[descke]

hi rodparchal
vpn:
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New emerging IP services based on differentiated services and the IP security architecture offer the level of communication support that corporate Internet applications need nowadays. However, these services add an additional degree of complexity to IP networks which will require sophisticated management support. The management of enhanced IP services for their customers is thus an emerging important task for Internet service providers. This article describes a potential management architecture service providers will need for that task, considering problems such as multiprovider services and service automation. We focus on a quality-enhanced virtual private network service which is particularly useful for corporate internetworking