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dc.contributor.authorZainab Hasan Al-Saeeden_US
dc.description.abstractThe emerging Software Defined Networking (SDN) paradigm is being adopted by the telecom industry since it enables flexible network resource allocation, configuration and management. Multicast is an essential and attractive service for a wide range of todays Internet applications for its bandwidth-preserving efficiency and flexibility. In a multicast, a data stream is delivered from single or multiple sources to a group of destinations simultaneously. SDN has potential to simplify multicast traffic engineering by leveraging the centralized nature of the network control plane, which provides a global view of the network that is built based on the real-time data gathered from network devices. Bit Indexed Explicit Replication (BIER) Multicasting is one of the recently devoloped multicasting applications that was proposed by the Internet Engineering Task Force (IETF). BIER architecture enables flexible and scalable multicast solution because it eliminates the need for using a protocol to explicitly build multicast distribution tree. Moreover, in BIER multicasting, intermediate network nodes will not need to maintain per-flow state or participate in routing decisions. The SDN controller will configure the source nodes to encapsulate multicast tree information in the packet header. After that, intermediate nodes will simply forward the packet according to the header.en_US
dc.publisher Kuwait university - college of graduate studiesen_US
dc.subjectReliable BIERen_US
dc.titleReliable BIER Routing for Multi-Source Multicasting in Software Defined Networksen_US
dc.contributor.supervisorProf. Imtiaz Ahmaden_US
dc.description.conclusionsIn this thesis, we proposed a reliable BIER routing model for Multi-source Multicasting. The model was proposed for Software Defined Networks since network management in these networks is more flexible through the centralized SDN controller. The architecture of the proposed SDN controller contained three main modules: Network Topology Discovery, Multicast Tree Management, and Multicast Routing Model. The main goal of this work is to utilize the recently developed BIER routing technology to build up a reliable routing model that can be applied for Multi-Source Multicasting applications. To achieve this goal, the routing process will go through three phases: Multicast trees creation, Packets forwarding and BIER header assignment, and Failures Handling. At the first phase the SDN controller will be responsible for providing two ”Multicast Forests” for each multicast stream as suggested in the proposed ”Algorithm 1”. The first one is the Minimum Cost Forest, which is rooted at the primary sources for the multicast stream. The second one is the Backup Forest, which is able to deliver the same stream to the same destinations but rooted at different sources and connected via different links. That is, each destination will be reachable through two different sources (if possible). Maintaining the primary and Backup sources information is the responsibility of the Multicast Tree Management Moduleen_US
dc.description.degreeM.Sc. Computer Engineeringen_US
Appears in Programs:0612 Computer Engineering
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