- The individual networks when combined together form
the inter-network.
- Intermediate inter networking devices are used for making connections
between them.
- All these networking elements combine to work as single large
unit.
- The creation of the internetworking has been made possible because of the
packet switching technology.
- The router is the most common and important device
used for performing inter-network routing and intranetwork routing.
- Routing
across various networks in the inter network is termed as internetwork routing
and routing within the same network is termed intranetwork routing.
In this
article we discuss about the differences between internetwork routing and
intranetwork routing.
- Just like inter-network, intranetwork also uses IP
(internet protocol) technology for computing services and sharing information.
- But what makes it different from internetworking is that it is limited to some
organization whereas internetwork extends beyond all i.e., it is not limited.
- Or
we can put it in other words: Internetwork is spread across organizations and Intranetwork lies within an organization.
- In some cases, the term intranetwork
might mean only the internal website of the organization, but in other cases it
might be a larger part of the IT infrastructure of the organization.
- Sometimes, it may span over a number of LANs (local area networks).
- The intranetwork is
driven by the goal of minimizing the time, effort and cost of the individual’s
desktop in order to make it more competitive, cost efficient, timely as well as
productive.
- An intranetwork is capable of hosting multiple websites that are
private to organizations and may even constitute an important part of the
collaboration and communication between the members of the organization.
- Intranetwork
also makes use of various well known protocols such as the FTP, SMTP and HTTP.
- The intranets are often incorporated with the technologies for lending a modern
interface to the systems that host the corporate data.
- These systems are known
as the legacy systems.
- We can see intranetwork to be a private analog of the
internetwork.
- It means the internetwork has been simply extended to an
organization for its private use.
- Extranetworks are a modified version of the
intranetworks.
- Here, the website might be accessed by the non-members i.e.,
the suppliers, customers or some other approved third parties and so on.
- Intranetworks
are well equipped with a special protocol called the AAA protocol.
- The 3 As
stand for authentication, authorization and accounting.
- There are a number of
organizations who are concerned about the security of their intranetworks.
- They
have deployed a firewall and a network gateway for controlling the access to
their services.
- The intermediate systems
when connect together form the internetwork whereas they may bound together a
part of the internetwork which might be an intranetwork.
- The intranetwork
routing involves routing between two routers which lie in the same network
whereas in internetwork routing, routing is done between routers which reside
across different networks.
- Intranetwork routing is quite easy when compared to
the internetwork routing.
- Protocols used in both the types of routing are
different.
- Interior gateway protocol is responsible for routing in the
intranetworks whereas the exterior gateway protocol takes the responsibility of
routing across the internetwork.
- Most common example of interior gateway
protocol is the OSPF or the open shortest path first protocol.
- And most common
example of exterior gateway protocol is the border gateway protocol or BGP.
- Also, the routing graphs for both the types are different.
- In the intranetwork’s
graph, all the routers are simply linked to one another in the same network.
- There is less mess.
- On the other hand, the inter network’s graph is quite
tedious.
- This is so because routers of different networks have to be inter-linked with one another.
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