Are You As Safe As You Could Be Online?

Have you ever given any thought to the fact that all of your internet activity can be traced? Even when you clear your browser history and delete your cookies, your information may still be at risk. Your personal email can be compromised, and all of your instant messages can be read by others. There are numerous thieves a year that use computers to access peoples private and personal information in order to help them commit crimes like identity theft. To ensure you do not become a victim of identity theft or any other crime, you should consider a download VPN program to help protect you while you are on the internet.Programs are available via the internet. These programs work as a VPN to help protect you no matter what you are doing on the internet. They can provide you with much more security and peace of mind knowing that no one will be able to see any of the websites you have visited. After installing a program, you do not have to worry about someone getting their hands on important private information such as your banking account number. You can use your computer knowing that your emails are truly private, and that no one can gain access to your instant messages.When you use a program to help protect you and your information when you are on the computer, it works like this. The program is like a VPN that will tunnel all of its traffic through a secure server. In other words, the program simply upgrades your current internet connection with VPN encryption. This allows you in, and everyone else out. There is no other way out there to keep your private information safe on the internet while so many criminals are out there trying to steal it.An additional benefit to oversea users is that the program will allow you access to websites that are normally restricted to United States viewers. This is possible because the program makes it impossible to track your location. When your location cannot be tracked, restrictions cannot be placed on which websites you view. Many people conduct their financial business online, such as paying their bills or online shopping. When they do this, they often do not realize all the risks they are taking. The only way to make sure your information stays safe while you are on the internet is to take steps to protect yourself. One of the steps you can take is to download VPN software.

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Wavelength Service in Optical Transport Networks

Optical WDM (Wavelength Division Multiplexing) networks are networks that deploy optical WDM fiber links where each fiber link carries multiple wavelength channels. An All Optical Network (AON) is an optical WDM network which provides end-to-end optical paths by using all optical nodes that allow optical signal to stay in optical domain without conversion to electrical signal. AONs are usually optical circuit-switched networks where circuits are switched by intermediate nodes in the granularity of a wavelength channel. Hence a circuit-switched AON is also called a wavelength routing network where optical circuits are equivalent to wavelength channels.A wavelength routing network consists of optical cross-connects (OXC) and optical add/drop multiplexers (OADM) interconnected by WDM fibers. Transmission of data over this optical network is done using optical circuit-switching connections, known as lightpaths. An OXC is an N x N optical switch with N input fibers and N output fibers with each fiber carries W wavelengths. The OXC can optically switch all of the incoming wavelengths of its input fibers to the outgoing wavelengths of its output fibers. An OADM can terminate the signals on a number of wavelengths and inserts new signals into these wavelengths. The remaining wavelengths pass through the OADM transparently.In order for a user (router A) to transmit data to a destination user (router B), a circuit-switching connection is established by using a wavelength on each hop along the connection path. This unidirectional optical path is called a lightpath and the node between each hop is either an OXC or an OADM. A separate lightpath has to be established using different fibers to set up transmission in the opposite direction. To satisfy the wavelength continuity constraint, the same wavelength is used on every hop along the lightpath. If a lightpath is blocked because the required wavelength is unavailable, a converter in an OXC can transform the optical signal transmitted from one wavelength to another wavelength.Since the bandwidth of a wavelength is often much larger than that requires by a single client, traffic glooming is used to allow the bandwidth of a lightpath to be shared by many clients. The bandwidth of a lightpath is divided into subrate units; clients can request one or more subrate units to carry traffic streams at lower rates. For example, information is transmitted over an optical network using SONET (Synchronous Optical Network) framing with a transmission rate of OC-48 (2.488 Gbps). A lightpath is established from OXC1 to OXC3 through OXC2 using wavelength w, the subrate unit available on this lightpath is OC-3 (155 Mbps). A user on OXC1 can request any integer number of OC-3 subrate units up to a total of 16 to transmit data to another user on OXC3. A network operator can use traffic-groomed lightpaths to provide subrate transport services to the users by adding a virtual network to the optical network.Information on a lightpath is typically transmitted using SONET framing. In the future, the information transmitted over optical network will use the new ITU-T G.709 standard, known as digital wrapper. In ITU-T, an optical network is referred to as the optical transport network (OTN). The following are some of the features of G.709 standard:1) The standard permits transmission of different types of traffic: IP packets and gigabit Ethernet frames using Generic Framing Procedure (GFP), ATM cells and SONET/SDH synchronous data.
2) It supports three bit rate granularities: 2.488 Gbps, 9.95 Gbps and 39.81 Gbps.
3) It provides capabilities to monitor a connection on an end-to-end basis over several carriers, as well as over a single carrier.
4) G.709 uses Forward Error Correction (FEC) to detect and correct bit errors caused by physical impairments in the transmission links.Lightpath can either be static or dynamic. Static lightpaths are established using network management procedures and may remain up for a long time. Virtual Private Networks (VPN) can be set up using static lightpaths. Dynamic lightpaths are established in real time using signaling protocols, such as IETF’s GMPLS (Generalized Multi-Protocol Label Switching) and UNI (User Network Interface) proposed by Optical Internetworking Forum (OIF). GMPLS is an extension of MPLS and was designed to apply MPLS label switching techniques to Time Division Multiplexing (TDM) networks and wavelength routing networks, in addition to packet switching networks. The OIF UNI specifies signaling procedures for clients to automatically create, delete and query a connection over wavelength routing network. The UNI signaling is implemented by extending the label distribution protocols, LDP and RSVP-TE.

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Protect Yourself in Hotspots

Many business establishments nowadays are offering free Wi-Fi connection to customers, to attract more customers go visit them. Take coffee shops as an example, I really prefer one that has Wi-Fi even if the coffee is not that good, over one that serves the best coffee but doesn’t have free internet connection. With the popularity of laptops nowadays, as well as phones and other gadgets that have the ability to connect to the internet, it would be a smart move for business owners to set-up a Wi-Fi connection. However, there is a downside to this convenient way of connecting to the internet, and they are the security risks that go along with it. If you do observe the right safety precautions when using a Wi-Fi connection, you can find a way around these risks, and surf the web worry free – through the help of a VPN connection, of course.What is VPN?VPN stands for virtual private network. It is used to safeguard the data that you send when you are connected to the internet. Of all the benefits that one can get from using a VPN connection, safety is the best one. VPN works by intercepting the data you send through an encrypted tunnel, helping you browse the internet in private. A VPN connection also hides your IP, so that you can visit websites anonymously.Open Wi-Fi Connection is Not SafeSince we are increasingly becoming mobile when it comes to accessing the web using our phones and laptops, we often connect using an open Wi-Fi connection when we’re on the go. What you don’t know is that, without protection, someone may be accessing the information send using an open network. It’s funny to think that you keep your passwords private, as well as some information on your social networking profiles, when you offer these data for free just by using a hotspot connection.Protect YourselfBy always using an encrypted VPN connection your data is secured even when you are on an open network.The advantage of using a VPN connection is that even though you are connected to an open network, the data you send will all be protected, including sensitive credit card information. Have you ever heard of identity theft? This is done online by hackers, and you are prone to it, as long as you are unprotected online. The anti-virus you have on your computer system is not enough to guard you from hackers, what they do shield you from are viruses, not the data you send on the web.Safeguard all your sensitive information, and start browsing the web privately by getting your own VPN connection. They are affordable, and have plans that can correspond to the protection that you need.

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Many Benefits to a Mobile VPN

There many businesses in many different industries that will benefit from installing a mobile Virtual Private Network. What this means is that employees can configure their mobile phones and other devices – like PDAs and laptops – to use the mobile VPN and connect to the company’s internal network and other services. This will allow they to take their work with them wherever they go.Companies that use a mobile VPN will have the ability to continuously offer support and service even if the devices switch from one wireless network to another. This way you can keep working on your project and not lose the connection to the applications you need for the project.If you have been considering a new mobile VPN, there are a lot of options out there you need to be aware of. For example, there are a number of vendors out there that offer different levels of quality and service. One of the best things you can do before you choose a provider is check out the different features from companies like IBM, Columbitech, ipUnplugged, Microsoft, Nokia, Motorola, and many others.All these companies offer different features and functions, so the first thing you should do is compare the prices they offer for those services. You never know who will provide the services you really need, but if you compare them side by side you will be able to find the one that offer the best value.There are some common benefits that you will discover with most the major mobile VPN services, and they will also offer some of the same functionality. But you need to look close and make sure that your needs will be met as your company grows.Many of these networks give you the ability to roam from one wireless AP to another. This can be done through a wireless connection or docked at a wired terminal. Some services will even let you leave the WiFi area and switch to a 3G connection. There is, of course, always the option of relying on a LAN connection at a static location.Whatever you ultimate purpose for a mobile VPN service, you should take the appropriate time to examine the functions and features that each provider offers. By doing your research and collecting a variety of quotes, you can streamline your business and know that you are getting the best value for your money.By adding a mobile VPN you will be able to expand your business and increase your revenue. Employees can be more productive even if they aren’t in the office. When they can access the network they will have the access they need keep in touch with the rest of the company.

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What You Should Look for in a VPN Provider

Virtual Private Network, usually called VPN, is a breakthrough in tunneling technology. Through this private network, packets of information pass through a virtual tunnel where it becomes encrypted, therefore impossible to decrypt when obtained.Because of computer technology, most of the things people do are related somehow to the computer. Some people cannot go through the day without accessing their computers, mainly to use the internet. Other even connect to the web by using their mobile phones.Internet uses are so different now from what they were before. Initially, the public make use of a public network called the internet primarily for research, or to email someone. Now there’s already online banking, online shopping, booking flights online, connecting with friends through social networking sites, calling people through VoIP programs, and a lot more other things.Because of this habitual use of the computer and the internet that we developed, it became necessary to safeguard our computer system. Because we send private data online, such as credit card information, and addresses, it has become a necessity to make use of a secure connection over a public network (the internet), which VPN can do.The big question is how to begin, right? Before you get started on purchasing the first VPN plan you see, you should be aware of the factors you should consider when choosing a VPN provider. First, you have to check the reliability of the connection – are there many downtimes? Do past and current users say they rarely or always get disconnected? These are the things you should look for when it comes to checking reliability.Of course the price is an important factor. You can only choose one that you can afford, and believe me, with all the VPN providers around, there are loads to choose from. However, you need to make sure that the price is worth the service they can provide you.We cannot avoid downtimes for VPN connections, just as we cannot avoid the same thing to happen to our internet connection. What you should look for in a provider is the availability of their technical support, or if they have one. It’s safe to know that there’s someone to answer your call whenever you need help.Who can provide all the information, you might ask? Certainly not the VPN companies themselves. Sure, they would provide you information on the services they provide, boast of the edge they have with the competition, but they do that for marketing purposes. To prove whether their claims are true or not, you should check for user reviews of different VPN service providers. Through these reviews, you will get to know the ‘true’ service providers can give the disadvantages and advantages of using the service and other useful information that can help you choose the VPN provider for you.

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