Analysis and Design of a Simplified SWITCHlan Network and Protocols

This report provides a simplified analysis of the SWITCHlan network, a network connecting various universities and institutions in Switzerland. The report details the network design, including the three-layer architecture (Core, Distribution, and Access layers) and partial mesh topology. It explores VLANs, network addressing, and the use of routing protocols. A literature review of routing protocols is included, comparing different types like distance-vector and link-state protocols. The report also discusses the equipment for the core and distribution layers, technical considerations for switches, and logical topology. The primary objective is to provide an overview of the SWITCHlan network's design and routing protocols, highlighting key aspects of its architecture and functionality. The report also explores the routing protocols, their functionality and operation, and compares the most important ones.

Simplified version of the SWITCHlan network
Prepared for:
Prepared By:
03/17/2017

Table of Contents
Contents
Table of Contents........................................................................................................................................................................ 2
ABBREBIATION........................................................................................................................................................................... 4
Abstract........................................................................................................................................................................................... 4
Introduction.................................................................................................................................................................................. 5
Network Design........................................................................................................................................................................... 6
Network Design Deliverables...........................................................................................................................................6
Network architecture description.............................................................................................................................6
Routing Protocols.................................................................................................................................................................. 9
LITERATURE REVIEW........................................................................................................................................................... 12
IP ROUTING........................................................................................................................................................................... 12
ROUTING BASICS................................................................................................................................................................ 13
ADMINISTRATIVE DISTANCE.......................................................................................................................................14
Distance Vector............................................................................................................................................................... 14
Link State........................................................................................................................................................................... 14
ROUTING METRICS............................................................................................................................................................ 15
Critically compare the routing protocols......................................................................................................................16
Equipment for Core Layer..........................................................................................................................................18
Distribution.......................................................................................................................................................................19
Technical Considerations................................................................................................................................................ 19

Technical Considerations for Switches.................................................................................................................19
Logical Topology................................................................................................................................................................. 19
VLANs.................................................................................................................................................................................. 19
Network Addressing.....................................................................................................................................................19
CONCLUSION.............................................................................................................................................................................. 20

ABBREBIATION
Abstract
SWITCHlan is a network that used to connect to several universities and other institutions from all over
Switzerland. The main objective of this network is to fulfil effective distribution of knowledge through
the Internet and in the worldwide academic networks.
Following scenarios has been considered for the network design,
 Redundant IP access connections for research and education in Switzerland
 Fine Performance under ever growing network traffic
 How this really is impacted by various network metrics for example latency and finish-to-finish
delay Implementation of network systems is really a complex and costly task
 Cost effective
 To manage and maintain SWICHlan Fibre Optic backbone infrastructure.
 To manage6and maintain Voice/IP, Wireless (Satellite, WLAN, WI-MAX) and WI-FI
Infrastructure around universities and institution .
 To create and manage network and invasion alarm systems for network
 To boost the internet Convenience Plan, develop and implement faculty -wide and
native area systems
 Monitor network operations to understand performance, security and capacity
issues
 In control of IP addressing, naming computer network points and servers on
research and education institution.

I've discovered within this paper simplified kind of the SWITCHlan network and discuss areas that
involved network design. OSI network reference model acquainted with implement the network for
SWICHlan.
Plus this paper, I've conducted a LITERATURE REVIEW for routing protocol.
Introduction
A network method is some computers along with other network devices which are interact to alter
information. Such computers can also be known as nodes or stations and run software that initiates
and manages their interaction in discussing files along with other sources.
The Internet may be the global system of interconnected pcs that do some searching online
protocol suite (TCP/IP) to link devices worldwide.
A network system could be a network that links computers along with other network devices
allowing communication and understanding exchange between systems, software, and users.
Merchandise is assumed to obtain networked once they could exchange information.
With appropriate configuration, a combination of cable or wireless media, interconnection of
computers additionally to networking hardware devices your pc network is produced.
SWITCHlan has connected to8universities and research institutions throughout Europe. SWITCH
also makes sure that they're connected while using web and built-into academic systems
worldwide.
This document contains additional information regarding the network the idea of theSWITCHlan
and will be offering documentation within the new network configuration.
In this report, following objective are discussed and elaborated,
 Provide critical literature review on routing protocols.
 Describe of the network models created including scenarios and diagrams.
 Describe of each scenario in details including the justification (reasons) for design and choice of
performance parameters.

 Investigation and analysis of all results from all simulations.
 Critically compare the routing protocols and recommendation for network that implemented
 A conclusion, which is evaluative and reflective.

Network Design Within this section mainly concentrate on the suggested
 network design for SWICHlan network.
Network Design Deliverables
This network design provides the following deliverables:
• Network architecture description
• Network specifications and diagrams
• Capacity plan • RF plan and measurement methods
• Listing of equipment mounting sites Network architecture description
Network Design
Network Design Within this section mainly concentrate on the suggested network design for SWICHlan
network.
Network Design Deliverables
This network design provides the following deliverables:
• Network architecture description
• Network specifications and diagrams
• Capacity plan • RF plan and measurement methods
• Listing of equipment mounting sites

Network architecture description
The overall SWITCHlan network architecture a combination of three-layer architecture model and
Partial mesh network design use to design.
There is multiple VLANs design for each location.In the [Figure 1.1] shows identified VLANs for each
location. All VLANs are designed according to the hierarchical Architecture model.
There are three layers in hierarchical Architecture model, the [Figure 1.0] show the graphical
representation.
 Core Layer
 Distribution Layer
 Access layer
Figure 1.0 : Three tire Architecture
Core Layer
Routed backbone architecture is used in the Core layer. It is basic backbone architecture.

Backbone consists with 3000 km of optical dark fibers network. Each sub set of VLANs are
connected to the backbone thought the routers.
Access layer
Routed backbone architecture is used in the Core layer. It is basic backbone architecture.
The Backbone consists of 3000 km of optical dark fibers network.
Each sub set of VLANs is connected to the backbone thought the routers. Access layer Access layer
consists of a set of VLANs. Each geographical location has a VLAN with the VLANS router. Multiple
Switches were connected to the backbone router through the Firewall.
Mainly message traffic stays with the sub net VLANs, unless it configures to transmit anywhere else in
the network. In those cases, the network layer address is used to move packets. For example in a
switched backbone, a broadcast message and those single sent to every computer in the network.
However, a router backbone ensures that broadcast messages communicate with in the network that
subnet belongs.
Distribution Layer
Each VLAN and LAN connected to a switched backbone. Each backbone switch connected to a router.

Figure 2: Location base VLANs
Overall network architecture is partial Mesh Network Topology. The reason to select the partial mesh
network is redundancy. The partial mesh topology has increased the redundancy of the network than
the other network model while providing scalability.
In the mesh network topology, each node transmits data for the network. All mesh nodes conjoin in the
distribution of data in the network. Mesh networks can transmit messages using either a flooding
technique or a routing technique.
In a partial mesh topology, some nodes are associated with all the others, but other people are only
associated with individuals nodes they exchange most likely probably the most data.

The partial mesh design consists of three tiers or layers, each employing a different connection
technology.
Layers are
Access Layer
Mesh Layer
Injection Layer Combined with the community fiber MAN (FMAN).
This network has SWITCH NOC (Network Operations Center) based in the college building in Geneva.
Other location4(Point-of-Presence (PoP ) collocated limits or towers additionally to additional optical
fiber termination points at select locations.
Routing is done with the help of routing protocols.
Routing Protocols
The routing protocols Routing Protocols Following areas will discuss this topic:
 Abstract
 Objective
 Introduction to routing protocols
 Literature Review
 Routing
 IP Routing
 Routing Basics
 Administrative distance
 Routing Class
Abstract
Primary purpose of the communication is transfer data from source to destination. There are plenty
of factors involve in communication for example communication media, Routers, Routing protocols,
routing algorithms.

This short article mainly concentrates on routing protocols. Routing protocols defines how routers
talk to one another .Router is really a device which accustomed to either forward packets in one
node to a different or in one network to a different network. Routing Formula accustomed to define
the direction from the route.
.To provide information within an efficiently, each Network needed many protocols collaborating
together for delivering information. Mainly routing protocol shares the data first among immediate
neighbors, after which through the network. Routers make use of this approach to find out the
topology from the network.
There are lots of kinds of routing protocols that actually work together for delivering information
efficient, reliable and secure way.
The job is around the research into the routing protocols mainly for any wired network, their
functionality and operation. Other locations that concentrate on this review is interior gateway
protocols and criticality compares the most crucial ones.
objective
The goal of this project would be to
• produce a literature review section around the primary routing protocols for
wired systems , functionality and operation
• Further study about interior gateway protocols
• Critically compare the most crucial routing protocols
INTRODUCTION
Larger networks are carrying a lot of data for a whole bunch of computer and routers with lots of
computers around the outside that are connected to routers. Term routers refer to tracking 9Routing
protocols define how routers speak with each other.

The router is something which1used with the idea to forward packets in a single node to another or
perhaps in one network to a new network. Routing Formula familiar with define the direction in the
route. To supply information inside an efficiently, each Network needed many protocols collaborating
together for delivering information.
Mainly routing protocol shares the information first among immediate neighbours ,then with the
network. Routers use this method to identify the topology in the network.
There are numerous types of routing protocols that interact for delivering information efficient, reliable
and secure way. The1work is about the study in to the routing protocols mainly for just about any wired
network
1a packet in one tool and delivering it with the network to a different device on the different
network. Router is a device which used to either forward packet from one node to another or from one
network to another network.
The1routers don’t mind concerning the host they merely worry about the systems and also the best
road to each network. The logical network address from the destination host can be used to obtain
packets to some network via a routes network, and so the hardware address from the host can be
used to provide the packet from the router towards the correct destination host
Routes support for that Dynamic process if a person of router goes lower within the network.
There are a couple of primary ways of routing, Static routing and Dynamic Routing.
In the static routes, the metric value is used if there is more than one route to get to a particular
network ID, the metric value that's the smallest value will be used to actually send the data that
direction. Dynamic routing protocols, the metric were based on what was called1the "Hop Count,"
which was simply the quantity of routersit needed to access a particular network ID packet in one
tool and delivering it with the network to a different device on the different network. Router is a
device which used to either forward packet from one node to another or from one network to another
network.
The routers don’t mind concerning the host they merely worry about the systems and also the best
road to each network. The logical network address from the destination host can be used to obtain
packets to some network via a routes network, and so the hardware address from the host can be
used to provide the packet from the router towards the correct destination host