He, Peng2013-11-082013-11-0820082008Source: Dissertation Abstracts International, Volume: 70-04, Section: B, page: 2469.http://hdl.handle.net/10393/29573http://dx.doi.org/10.20381/ruor-19810The term "agility" in optical networks describes the ability to deploy bandwidth on demand at fine granularity that allows carriers to deploy services rapidly. An overlaid-star all-photonic WDM network, called the Agile All-Photonic Network (AAPN), can provide such agility through multiplexing over each wavelength in the time domain. The AAPN consists of a number of hybrid photonic/electronic edge nodes connected together via several load-balancing bufferless transparent core nodes and optical fibers to form an overlaid star topology. An AAPN can potentially provide an efficient high bandwidth/high performance core transport network for carriers. Hence, it is very important to design and position AAPN to support widely-deployed IP/MPLS architecture and protocols. This thesis deals with routing and protection of MPLS flows over AAPNs, especially in multi-domain (OSPF multi-area or inter-AS) network environments. For the routing problem, several AAPN configurations seen by the Internet routers are proposed to solve the scalability issue when deploying AAPN within one IP/MPLS network. Furthermore, a novel inter-area routing framework is proposed which can provide dynamic and optimal inter-area routing in an efficient and scalable way with full backward compatibility with existing OSPF routers. In addition, an AAPN-based Internet Exchange (AIX) architecture with traffic engineering capacity is also developed to provide inter-AS optimal routing. For the protection problem, instead of using link or path protection, an inter-area shared segment protection approach is proposed, which can take advantage of the above inter-area routing framework. Through sharing, the network resources are used in an efficient way. Through segment-based protection, the recovery time is reduced in case of failures. By generalizing and extending this AAPN-based routing and protection framework, a general inter-domain (AS or area) traffic engineering architecture, called Star-TE, is proposed. Star-TE satisfies the requirements for inter-area and inter-AS traffic engineering defined by IETF in RFC 4105 and RFC 4216.130 p.enEngineering, Electronics and Electrical.Thesis