This document discusses IP networks and their components. It covers the basics of IP networking including addressing and routing protocols. It also describes key parts of IP networks such as interior gateway protocols, border gateway protocol, multiprotocol label switching, MPLS VPNs, and some application issues. The document provides information on routing protocols, label distribution, traffic engineering, and VPN architectures used in IP networks.

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2. IP NetworkAbout IP network- First level of internet network protocol- Addressing protocol of the networkSuccesful serviceSimpler network

3. Parts of IP networkIP network routingMultiprotocol Label switching (MPLS)MPLS VPNSIP Network Application Issues

4. IP Network routingAbout IP Network routingInterior Gateway Protocols Border Gateway Protocol (BGP)

5. IP Network routing; RouterHave two independent functions: - control - forwardingChoose the optimum route Classification of routing protocols: - interior protocols -external protocols

6. Interior Gateway ProtocolsMost common interior protocols: - Routing Information Protocol(RIP) - Open Shortest Path First (OSPF) - IS-IS

8. Border Gateway Protocols (BGP)Purpose of BGPBGP speakersBGP’s two versions: - Internal BGP - External BGP

10. Multiprotocol Label Switching (MPLS) MPLS supports variety of QoS functions including:Bandwidth reservation

11. Prioritization

12. Traffic engineering

13. Traffic shaping

14. Traffic policingMPLSLabel distrubutionMPLS traffic engineeringMPLS’s advantages;MPLS uses;Cell-switched MPLS

16. MPLS VPNsThree major MPLS based VPN architectures are in use:Layer 3 VPN

17. Layer 2 point-to-point VPNs

18. Virtual private LAN service

19. IP Network Application Issues Carrier Performance Metrics Latency

20. Packet loss

21. Backbone availability

22. Main time to repair

23. JitterConclusionWhen we were learning this topic, we found on about IP network, including routing, enterior and exterior protocol, the most common protocols and operations.

24. Used materials The Irwin Handbook of TelecommunicationsOxford dictionaryDictionary of information and communicationData communication and technology of information network

25. Thank you for your attention