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Switching

Switching is the most valuable asset of computer networking. Every time in computer network you access the internet or another computer network outside your immediate location, or your messages are sent through a maze of transmission media and connection devices. The mechanism for exchange of information between different computer networks and network segments is called switching in Networking. On the other words we can say that any type signal or data element directing or Switching toward a particular hardware address or hardware pieces.

Hardware devices that can be used for switching or transfering data from one location to another that can use multiple layers of the Open Systems Interconnection (OSI) model. Hardware devices that can used for switching data in single location like collage lab is Hardware switch or hub but if you want to transfer data between to

different location or remote location then we can use router or gatways.

For example: whenever a telephone call is placed, there are numerous junctions in the communication path that perform this movement of data from one network onto another network. One of another example is gatway,that can be used by Internet Service Providers (ISP) to deliver a signal to another Internet Service Providers (ISP). For exchange of information between different locations various types of Switching Techniques are used in Networking.

MSV provides complete switching solutions.

Routing

Routing is a process which is performed by layer 3 (or network layer) devices in order to deliver the packet by choosing an optimal path from one network to another.

There are 3 types of routing:

1. Static routing –

Static routing is a process in which we have to manually add routes in routing table.

Advantages –

No routing overhead for router CPU which means a cheaper router can be used to do routing.
It adds security because only administrator can allow routing to particular networks only.
No bandwidth usage between routers.

Disadvantage –

For a large network, it is a hectic task for administrator to manually add each route for the network in the routing table on each router.
The administrator should have good knowledge of the topology. If a new administrator comes, then he has to manually add each route so he should have very good knowledge of the routes of the topology.

Default Routing –

This is the method where the router is configured to send all packets towards a single router (next hop). It doesn’t matter to which network the packet belongs, it is forwarded out to router which is configured for default routing. It is generally used with stub routers. A stub router is a router which has only one route to reach all other networks.

Dynamic Routing –

Dynamic routing makes automatic adjustment of the routes according to the current state of the route in the routing table. Dynamic routing uses protocols to discover network destinations and the routes to reach it. RIP and OSPF are the best examples of dynamic routing protocol. Automatic adjustment will be made to reach the network destination if one route goes down.

A dynamic protocol have following features:

The routers should have the same dynamic protocol running in order to exchange routes.
When a router finds a change in the topology then router advertises it to all other routers.

Advantages –

Easy to configure.
More effective at selecting the best route to a destination remote network and also for discovering remote network.

Disadvantage –

Consumes more bandwidth for communicating with other neighbors.
Less secure than static routing.

Wireless LAN

MSV Provides complete wilreless LAN solution. A wireless local area network (WLAN) is a wireless distribution method for two or more devices that use high-frequency radio waves and often include an access point to the Internet. A WLAN allows users to move around the coverage area, often a home or small office, while maintaining a network connection.

A WLAN is sometimes call a local area wireless network (LAWN). MSV Provides complete wilreless LAN solution. Every component that connects to a WLAN is considered a station and falls into one of two categories: access points (APs) and clients. APs transmit and receive radio frequency signals with devices able to receive transmitted signals; they normally function as routers. Clients may include a variety of devices such as desktop computers, workstations, laptop computers, IP phones and other cell phones and Smartphones.

Network Security

Network security is an organization’s strategy that enables guaranteeing the security of its assets including all network traffic. It includes both software and hardware technologies. Access to the network is managed by effective network security, which targets a wide range of threats and then arrests them from spreading or entering in the network.

Network security is an integration of multiple layers of defenses in the network and at the network. Policies and controls are implemented by each network security layer. Access to networks is gained by authorized users, whereas, malicious actors are indeed blocked from executing threats and exploits. Our world has presently been transformed by digitization, resulting in changes in almost all our daily activities. It is essential for all organizations to protect their networks if they aim at delivering the services demanded by employees and customers. This eventually protects the reputation of your organization. With hackers increasing and becoming smarter day by day, the need to utilize network security tool becomes more and more impotent. MSV Provides below different Types of Network Security:-

Antivirus and Antimalware Software
Application Security
Behavioral Analytics
Data Loss Prevention (DLP)
Email Security
Firewalls
Mobile Device Security
Network Segmentation
Security Information and Event Management (SIEM)
Virtual Private Network (VPN)
Web Security
Wireless Security
Endpoint Security

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