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An APN meaning an access point name and a virtual private network (VPN) are different ways for people to exchange data over a network. An APN network name lets users connect their cellphones to a particular wireless provider's network, while VPNs protect private information being sent over a public telecommunications network. VPNs are often used by businesses to let their employees securely connect to their networks remotely. Looking at the differences between the two network types helps you determine the network that works best for you.
APN Vs. VPN
An APN directly connects users to the Internet. Adding a specific APN to your device's browser lets you connect to the external network with which it is associated. Alternatively, a VPN works over an existing public network, and only works if the user has another means of connecting to the Internet. For example, if you're accessing a VPN on an iPad, you must also be currently connected to the Internet.
An APN is something provided specifically by your cellphone carrier, while a VPN is usually provided by a third-party company or your employer.
APN Connection Setup
Each wireless cellphone provider has a unique APN that must be programmed int your phone before you can connect. Check with your cellphone carrier for the appropriate APN name. You may not need to use an APN or even know exactly how to define APN to use your cellphone, since most are set up to automatically connect to cellular networks when they're turned on. In some cases, you may need to configure an APN if you're roaming overseas or otherwise outside of your carrier's own network.
A VPN client is added to a computer network via an installation wizard, such as InstallShield or Microsoft Windows Installer or to a smart phone using its app marketplace. Your VPN provider or, if it's a company VPN, your IT person will help you set up your VPN.
It may also be possible to connect to a VPN from a mobile phone if your phone supports the action and you know details such as the server name, account and password. Most modern smart phones support VPN software.
VPN and Data Security
VPNs are designed specifically for the transmission of private information, such as email, over a public communication network. As a result, a VPN almost always encrypts data that's exchanged over it, making it available exclusively to people using the same VPN. If you're looking to use a VPN for added security while using the Internet, make sure you go with a provider you trust, since the VPN provider will potentially have access to data you transmit through a network.
Read reviews online to find a VPN provider offering the service and level of security you need at a price that you like. Many offer limited free trials or let you pay on a month to month basis, so you can switch providers if you find you're not satisfied with the provider you're using.
Your wireless provider determines the level of security on its general APN. Contact your provider to find out what level of encryption it uses. If you have a custom APN, you're responsible for configuring the level of security.
Scale of the Systems
Any wireless data provider user has access to the general APN. This means that thousands of users might be connecting to the same network at any given moment. VPNs can also extend to a large number of people, but the profile for each user being given access must be specifically added to the network with a certificate enrollment. The number of people using the same VPN network is likely to be smaller and more controlled than an APN.
References (3)
About the Author
Lara Webster has been writing professionally since 2009. Her work has been featured on Relationships in the Raw, The Nursery Book, Spark Trust and several travel-related websites. Webster holds a Bachelor of Arts in English and a Master of Arts in mass communication and media studies, both from San Diego State University.
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Webster, Lara. 'What Is the Difference Between APN Vs. VPN?' Small Business - Chron.com, http://smallbusiness.chron.com/difference-between-apn-vs-vpn-38815.html. 28 January 2019.
Webster, Lara. (2019, January 28). What Is the Difference Between APN Vs. VPN? Small Business - Chron.com. Retrieved from http://smallbusiness.chron.com/difference-between-apn-vs-vpn-38815.html
Webster, Lara. 'What Is the Difference Between APN Vs. VPN?' last modified January 28, 2019. http://smallbusiness.chron.com/difference-between-apn-vs-vpn-38815.html
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An Access Point Name (APN) is the name of a gateway[1] between a GSM, GPRS, 3G or 4Gmobile network and another computer network, frequently the public Internet.
A mobile device making a data connection must be configured with an APN to present to the carrier. The carrier will then examine this identifier to determine what type of network connection should be created, for example: which IP addresses should be assigned to the wireless device, which security methods should be used, and how or if, it should be connected to some private customer network.[2]
More specifically, the APN identifies the packet data network (PDN) that a mobile data user wants to communicate with. In addition to identifying a PDN, an APN may also be used to define the type of service, (e.g. connection to Wireless Application Protocol (WAP) server, Multimedia Messaging Service (MMS)) that is provided by the PDN. APN is used in 3GPP data access networks, e.g. General Packet Radio Service (GPRS), evolved packet core (EPC).
Structure of an APN[edit]
Access Point Node structure
A structured APN consists of two parts[3] as shown in the accompanying figure.
Network Identifier: Defines the external network to which the Gateway GPRS Support Node (GGSN) is connected. Optionally, it may also include the service requested by the user. This part of the APN is mandatory
Operator Identifier: Defines the specific operator's packet domain network in which the GGSN is located. This part of the APN is optional. The MCC is the mobile country code and the MNC is the mobile network code which together uniquely identify a mobile network operator.
Examples of APN are:
three.co.uk (Note: This example APN uses a domain name from the DNS which belongs to the operator)
internet.t-mobile
internet.mnc012.mcc345.gprs
rcomnet.mnc015.mcc405.gprs
internet (Note: This APN example does not contain an operator)
NXTGENPHONE (Note: Does not contain an operator, however in practice it is AT&T Mobility's LTE APN)
VZWINTERNET (Note: No operator, but the APN name clearly identifies Verizon Wireless)
mobitel (Note: APN name clearly identifies operator Mobitel)
References[edit]
^'What is an APN, and how do I change it?'. Android Central. 2017-06-27. Retrieved 2017-08-12.
^'GSM cellular networks use an APN (Access Point Name) to determine how a mobile station, in this case a Digi Connect WAN or RG'(PDF). Retrieved 2011-04-05.
^3GPP TS 23.003 Numbering, addressing and identification.
External links[edit]
Rutter, Thomas. 'What the APN settings mean'. Taming the Droid. Retrieved 2016-03-13.
Stafuif writer (21 July 2013). 'APN List for US, Canada, UK & Australia'. APN Settings. Retrieved 2016-03-13.
Zachery, Omar (12 March 2013). 'APN-FQDN Naming Structure'. Award Solutions. Archived from the original on 14 March 2016. Retrieved 2016-03-13.
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