Virtualization of optical resources Sample Clauses

Virtualization of optical resources. Optical Network Virtualization is defined as the composition of multiple isolated virtual optical network slices simultaneously coexisting over shared physical optical network infrastructure. In each virtual slice, virtual optical nodes are inter-connected by a set of virtual optical links. Virtualization of optical network resources i.e., optical nodes and optical links is often achieved by partitioning or aggregation of the corresponding physical resources. Generally, the virtualization of optical nodes should be considered jointly with the virtualization of optical links. The granularity of virtual links in a virtual network slice is inherited from the switching capabilities supported by the optical switching nodes as well as capabilities of optical transponders. The two most important principles of optical network virtualization are isolation and coexistence of multiple virtual optical network slices. Isolation implies that different slices sharing the same optical network should not interfere with each other. Coexistence means that the network slices can be supported and provisioned in parallel to different administrative entities. Compared to the network virtualization in Layer 2 and 3, optical network virtualization is still under initial study. This is mainly because of the complexity of virtualization approach suitable for optical networks and the analogue nature of optical networks. The underlying optical network technologies will impact the number and characteristics of virtual network slices that can be built on top of a physical optical network infrastructure. In COSIGN, we are adopting heterogeneous advanced optical network technologies including both switching (Large-port space switch, Fast switch, Wavelength selective switch, High-performance electronic switch) and transport (Wavelength Division Multiplexing – WDM – and Space Division Multiplexing – SDM) technologies. Therefore, it is challenging to design and develop proper virtualisation mechanisms for such optical data plane. The features of each technology need to be investigated carefully to fully explore its advantage while virtualising it. Meanwhile, the unique optical layer constraints (e.g. wavelength/spectrum continuity and impairments) need to be taken into account when composing virtual optical slices over these technologies. The optical network virtualisation should also be coordinated with the IT virtualisation (compute and storage). The seamless integration of the optical net...
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  • Cultural Resources If a cultural resource is discovered, the Purchaser shall immediately suspend all operations in the vicinity of the cultural resource and notify the Forest Officer. Operations may only resume if authorized by the Forest Officer. Cultural resources identified and protected elsewhere in this contract are exempted from this clause. Cultural resources, once discovered or identified, are not to be disturbed by the Purchaser, or his, her or its employees and/or sub- contractors.

  • IRANIAN ENERGY SECTOR DIVESTMENT In accordance with Section 2879-c of the Public Authorities Law, by signing this contract, each person and each person signing on behalf of any other party certifies, and in the case of a joint bid or partnership each party thereto certifies as to its own organization, under penalty of perjury, that to the best of its knowledge and belief that each person is not on the list created pursuant to paragraph (b) of subdivision 3 of Section 165-a of the State Finance Law (See xxxxx://xxx.xx.xxx/iran-divestment-act-2012).

  • Disease Management If you have a chronic condition such as asthma, coronary heart disease, diabetes, congestive heart failure, and/or chronic obstructive pulmonary disease, we’re here to help. Our tools and information can help you manage your condition and improve your health. You may also be eligible to receive help through our care coordination program. This voluntary program is available at no additional cost you. To learn more about disease management, please call (000) 000-0000 or 0-000-000-0000. Our entire contract with you consists of this agreement and our contract with your employer. Your ID card will identify you as a member when you receive the healthcare services covered under this agreement. By presenting your ID card to receive covered healthcare services, you are agreeing to abide by the rules and obligations of this agreement. Your eligibility for benefits is determined under the provisions of this agreement. Your right to appeal and take action is described in Appeals in Section 5. This agreement describes the benefits, exclusions, conditions and limitations provided under your plan. It shall be construed under and shall be governed by the applicable laws and regulations of the State of Rhode Island and federal law as amended from time to time. It replaces any agreement previously issued to you. If this agreement changes, an amendment or new agreement will be provided.

  • Information Systems The Customer is aware that vehicles manufactured, supplied or marketed by a company within the Volvo Group are equipped with one or more systems which may gather and store information about the vehicle (the “Information Systems”), including but not limited to information relating to vehicle condition and performance and information relating to the operation of the vehicle (together, the “Vehicle Data”). The Customer agrees not to interfere with the operation of the Information System in any way.

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