Networking concepts
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NETWORK TYPES, LAYERED ARCHITECTURE
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Networking concepts
- 1. NETWORKING CONCEPTS & DEVICES An Introduction
- 3. Dr.KK BlackBoard NETWORK TYPES 3 • PAN (Personal Area Network • LAN (Local Area Network) • MAN (Metropolitan Area Network) • WAN (Wide Area Network)
- 7. Dr.KK BlackBoard OSI MODEL 7 OSI Model Layer Description 7 - Application Contains protocols used for process-to-process communications. 6 - Presentation Provides for common representation of the data transferred between application layer services. 5 - Session Provides services to the presentation layer and to manage data exchange. 4 - Transport Defines services to segment, transfer, and reassemble the data for individual communications. 3 - Network Provides services to exchange the individual pieces of data over the network. 2 - Data Link Describes methods for exchanging data frames over a common media. 1 - Physical Describes the means to activate, maintain, and de-activate physical connections.
- 8. Dr.KK BlackBoard LAYERS WITH TCP/IPAND OSI MODEL 8
- 14. Dr.KK BlackBoard ADDRESSING AND NAMING SCHEMES 14
- 17. Dr.KK BlackBoard TRANSPORT LAYER ROLEAND SERVICES 17
- 18. Dr.KK BlackBoard TRANSPORT LAYER PROTOCOL -TCP & UDP 18
- 22. Dr.KK BlackBoard TCP SEGMENT & IP PACKET 22
- 24. Dr.KK BlackBoard NETWORK LAYER: IP PROTOCOL 24
- 32. Dr.KK BlackBoard PRIVATE ADDRESS 32 • Most IPv4 host addresses are public addresses • There are blocks of addresses that are used in networks that require limited or no Internet access. CLASS ADDRESS RANGE NETWORK ADDRESS CLASS A 10.0.0.0 to 10.255.255.255 (10.0.0.0 /8) CLASS B 172.16.0.0 to 172.31.255.255 (172.16.0.0 /12) CLASS C 192.168.0.0 to 192.168.255.255 (192.168.0.0 /16)
- 36. Dr.KK BlackBoard DATA LINK LAYER –ACCESSING THE MEDIA 36
- 41. Dr.KK BlackBoard PHYSICAL & DATA LINK 41
- 42. Dr.KK BlackBoard SIGNALS IN PHYSICAL MEDIA 42
- 43. Dr.KK BlackBoard PHYSICAL MEDIA - CHARACTERISTICS 43
- 45. Dr.KK BlackBoard TYPES OF CONNECTIONS INALAN 45
- 49. Dr.KK BlackBoard STATIC ROUTING 49 Networks typically use a combination of both static and dynamic routing. Static routing has several primary uses: • Providing ease of routing table maintenance in smaller networks that are not expected to grow significantly. • Routing to and from a stub network. A network with only one default route out and no knowledge of any remote networks. • Accessing a single default router. This is used to represent a path to any network that does not have a match in the routing table.
- 54. Dr.KK BlackBoard IGP & EGP 54 Interior Gateway Protocols (IGP) - Used for routing within an AS Include RIP, EIGRP, OSPF, and IS-IS Exterior Gateway Protocols (EGP) - Used for routing between AS Official routing protocol used by the Internet
- 55. Dr.KK BlackBoard TYPESOFROUTINGPROTOCOLS DISTANCE VECTOR OR LINK-STATE ROUTING PROTOCOLS 55 Distance vector protocols use routers as sign posts along the path to the final destination. A link-state routing protocol is like having a complete map of the network topology. The sign posts along the way from source to destination are not necessary, because all link-state routers are using an identical map of the network. A link-state router uses the link-state information to create a topology map and to select the best path to all destination networks in the topology.
- 60. THANK YOU Dr. K. Kulothungan +91-9884593940 kulo.tn@gmail.com https://kulo.site CISCO Networking Academy