| Internet & WAN Connectivity | | | | - Maximum throughput support - A minimal |
| Internet, a computer based global information | | | | hardware could not bring in the maximization |
| system, has become so massive to provide easy | | | | benefit |
| accessibility & affordability to people. Increased | | | | - Static Routing Ability - It is the ability to define a |
| availability through modes like wired and wireless | | | | metric for static route to destination and it |
| has brought tremendous transformations in | | | | achieved by manually adding routes to the routing |
| internet development. Technological advancements | | | | table. This ability supports the routing protocol. |
| have made people to perform their tasks from | | | | - Bandwidth Aggregation - This increases the |
| home and leisure places. Internet is the major | | | | network speed and boost throughput. Cable and |
| contributor in making the world a global village. It | | | | DSL are economical internet links, combining these |
| can be accessed at a lesser bandwidth of few | | | | services offers faster network speed at the |
| kilobits from cellular networks to higher bandwidth | | | | same time cost effective. |
| of Gigabits transmission using fiber links. | | | | - Authentication Algorithms -MD5 and SHA |
| Employees can connect to offices on mobility and | | | | (SHA-0, SHA-1, and SHA-2) are widely trusted |
| even from remote locations where one could not | | | | Secure Hash algorithms. |
| find any internet gateways near to visibility. Even | | | | - Site Load Balancing - It can utilize all lines |
| when people prepare to bring in their work | | | | available at each site by distributing the traffic |
| contributions, there should be excess capacity in a | | | | between multiple sites. Moreover, Site load |
| WAN infrastructure, or else the cost associated | | | | balancing built on SmartDNS technology can |
| by time would affect a business performance. | | | | assure resiliency and continuity in business. |
| During this circumstance comes the need for two | | | | Advantages & Benefits of Dual WAN devices |
| or multiple WAN connections. | | | | - No need of human interference during link |
| Some of the essential functionalities and features | | | | failures |
| of Dual WAN or Multi WAN Routers: | | | | - Intelligent algorithms make use of bandwidth |
| - Link Failover - Increases redundancy & reliability | | | | available on spare links |
| - Load Balancing - Bonds bandwidths available | | | | - Enterprise applications could be made available at |
| from multi service providers thereby increase in | | | | remote locations |
| data transfer speed | | | | - Data transmission over multiple lines is secured |
| - VPN - Brings all LANs at next hop by connecting | | | | without any compromise |
| offices at multiple locations | | | | - Ease of configuration, management & monitoring |
| - Firewall like protection - Policy based routing, | | | | from LAN and remote network is possible |
| Access Rules, Port Forwarding, Port Triggering, | | | | - Single hardware enables faster ROI |
| URL Filtering, Denial-of-service , etc | | | | - Superior connectivity by using two WAN links |
| Additional Functionalities | | | | - Enabling business continuity by ensuring |
| - QoS | | | | consistent uptime |
| - Traffic Shaping & Optimization - Data | | | | Demand for better network connection in |
| Compression | | | | business makes two or more links better than |
| - IPSec - IP Security in VPN capability with Data | | | | one. With multiple WAN connections, organizations |
| Encryption Standard (DES) and Triple DES (3DES) | | | | can provide effective Dual-WAN speeds for all |
| encryption | | | | their LAN users. Furthermore, dual WAN devices |
| Points to notice while considering | | | | assure fault-tolerance, redundancy, failover |
| - Device failover - Risk associated with network | | | | capabilities and lots more that assure continuous |
| outage is higher because of hardware failure | | | | Internet access even when an ISP link is down. |