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In this paper we design a certified e-mail exchange system based on a simultaneous secret exchange protocol. Among others, we use the protocol proposed by Okamoto and Ohta since the number of rounds it requires is relatively small compared to other similar protocols. We first modify the method of Okamoto and Ohta to further reduce the number of rounds without breaking the fairness condition too much...
We propose an optical circuit switching node architecture with automatic neighbor discovery. It implements a trunk module attached to an all optical switching element, which exchanges test messages with neighbor nodes to identify interface addresses of wavelength links of neighbor nodes. By employing a method called "random connection", we completely avoid manual configuration tasks. By...
This paper describes flexible resource allocation and provision methods for bandwidth on demand and networks on demand in the new Japanese academic backbone network, called SINET3. SINET3 has provided a wide variety of network services such as IPv4/IPv6 dual stack, L3VPN, L2VPN/VPLS, and L1VPN services for the research and education community and started layer-1 bandwidth-on-demand services in February...
This paper primes a control channel management method for GMPLS-based optical transport networks. The proposed mechanism bundles multiple control channels between adjacent nodes into a single ldquologicalrdquo control channel to hide control channel failure from the control plane signaling and routing protocols such as RSVP TE and OSPF-TE The proposed method is based on three ideas: multiple redundant...
This paper proposes plug and play techniques for GMPLS control plane configuration. The techniques consist of an auto configuration setting function for component parameters by using LMP extension and a dynamic protocol operation parameter exchange function in coordination with the carrierpsilas policy server. The plug and play techniques can minimize operational costs needed to introduce the service.
This paper presents the first wireless LAN baseband LSI capable of transmitting high-definition audio with video (HD-A/V) content requiring secure content protection. The LSI fully complies with IEEE 802.11a, e, h, and i. The hybrid coordination function controlled channel access (HCCA) of 802.11e is employed to reserve the transmission period for HD-A/V content. In addition, the block acknowledgement...
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