GMPLS inter-domain network control was investigated by employing BGP-based inter-domain routing and flexible
signaling with loose hop expansion. Per-domain based operational policy was successfully applied to the establishment
of GMPLS inter-domain LSPs.
GMPLS-based Bandwidth on Demand (BoD) service experiment using the GMPLS network testbed of JGN II was conducted, and GMPLS connections with GbE bandwidth were successfully established by our developed user-friendly web-based GUI on the demand basis. The combination of the GMPLS-based network and the user-supporting system was verified to enable the BoD service in the actually operational environment. The setup time of the GMPLS-based lambda-path in this BoD service was very immediate and became available within only one minute from the time when the users want to use it.
Proc. SPIE. 6022, Network Architectures, Management, and Applications III
KEYWORDS: Internet, Switching, Interfaces, Wavelength division multiplexing, Control systems, Optical testing, Optical networks, Time division multiplexing, Communication and information technologies, Network architectures
IPv6 transport over the GMPLS-controlled optical network of JGN II was experimentally investigated, and four FastEthernet IPv6 streams were successfully transported with OSPFv3 routing information exchange.
This paper proposes an architecture of a next-generation Internet eXchange (IX) based on the Generalized Multi-Protocol Label Switching (GMPLS) technologies and the photonic cross-connect (PXC), hereafter referred to a Lambda-IX. At first, we investigate a basic Lambda-IX model where the PXC provides a GMPLS-controlled lambda label-switched path (LSP) to interconnect different ISPs' border routers. We verify that the proposed Lambda-IX model can achieve the lambda-based and resilient interconnection for the ISPs, thanks to the PXC's bit-rate insensitive operation as well as fast restoration operation. In addition, once GMPLS functionalities are introduced on the border routers as well as the PXC, very flexible interconnection can be achieved such as demand-based creation and deletion of lambda LSPs. Next, we initiatively demonstrate an experimental Lambda-IX using a PXC and IP/MPLS routers. A Lambda-LSP with OC-192 bandwidth can be successfully created by using the GMPLS RSVP-TE signaling protocol via a control plane, and an EGP session of Border Gateway Protocol 4 (BGP-4) can be established over the Lambda-LSP created between the GMPLS-enabled border routers via a data plane. We also evaluate the fault recovery operation in the case where such Lambda-IXs are consisted of several PXCs and demonstrate that the Lambda-LSP as well as the corresponding BGP session can be restored with a fast recovery time of less than 1s. Through these investigation and demonstration, it is revealed that the Lambda-IX can be put to practical use aiming at inter-exchanging a large traffic in a near future, while enriching the functions of IX.