MN503-Overview of Internetworking Technology

Questions:

1.Explain human factors in achieving business and technical goals through planning and design.

2.Investigate and develop an architectural internetworking design for the business and application domains.

Answer

Introduction

Background

Chronological development

Table 1: Chronological Development of internetwork technology

Comparison of OSI and TCP/IP model

 With the standardization of different models, it becomes obvious to select one of the models for better performance of the network following table consist of comparison between the TCP and OSI model.

Human-centric design approach (past)

(Source: Qi and Li 2016)

Brief discussion of the present-day technology of computer network

In internetworking routing plays a vital role in communication through the data transmission from source to destination. The communication takes place in the network layer of OSI reference model.  This data packet routing is separated into two different techniques Static routing and Dynamic Routing [5].

OSPF: OSPF stands for Open Shortest Path First which utilizes link state routing technique. Utilizing the connection state data which is accessible in router, it develops the topology in which the topology decides the routing table for routing path choices [4]. It underpins both the classless inter-domain routing addressing and variable-length subnet masking models. Since it utilizes Dijkstra's shortest path also, it computes the shortest path for routing for the data packets.

BGP: Border Gateway Protocol or the BGP is the routing protocol that determines the way data packets will be routed through out the internet through the exchange of reachability and routing information between routers of different network perimeters. Border Gateway Protocol directs data packets among the autonomous systems and networks administered by different service provider or enterprises. In case of BGP it includes routing information includes of the complete route toward the destination [2].  This protocol uses the routing information in order to maintain a database of network reachability. Each BGP exchanges this database information with other BGP system to manage the data transmission.

Internet speed comparison past, present and future

 With the present rate of growth in the internet speed it is expected that in the year 2020, the available internet speed will be 1Gbps.

Future computer networks

With the growth in the internet and networking technology the it is predicted that, the Ipv4 will be obsolete and Ipv6 will take over.  Along with that for the in order to have internetworks the data planes and control are decoupled.   In addition to that, network state and intelligence are logically centralized to have better transparency [6]. Furthermore, the fundamental network infrastructure is abstracted from the applications so that those components can be protected from the network breach attacks. As a result, the future networks will be able to gain the advantage of unprecedented programmability, network control, automation. With all this benefits the networks will be highly flexible as well as scalable.

Future computer networking technologies

Figure 3: SDN architecture

(source:  Wood et al. 2015)

Conclusion

References

"A Survey Architecture Interface and Security Issues in Software Defined Networking", International Journal of Recent Trends in Engineering and Research, pp. 1-8, 2018.

J. Pandey, "Finding the Routing Table by Dynamic Processing Method in Distance Vector Routing", International Journal Of Engineering And Computer Science, 2017.