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Status of this Memo By submitting this Internet-Draft, I certify that any applicable patent or other IPR claims of which I am aware have been disclosed, or will be disclosed, and any of which I become aware will be disclosed, in accordance with RFC 3668. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its(More)
Over the past few years, network carriers have tended to consider their network function to be virtualized. It is possible to migrate virtualized network functions (VNFs) across datacenters for auto scaling and auto healing when traffic concentration or failure occurs. However, networks must provide a new network path corresponding to the new traffic flow(More)
Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.(More)
In the 5G era, it is expected that various services will be provided on network slices, which are virtualized network resources. Unlike the uniform service level provided in the current Internet, a network slice has to support multiple service levels for various types of services such as IP telephony, Internet-access and IoT/M2M. Because their requirements(More)
The Path Computation Element (PCE) provides path computation functions in support of traffic engineering in Multiprotocol Label Switching (MPLS) and Generalized MPLS (GMPLS) networks. Extensions to the MPLS and GMPLS signaling and routing protocols have been made in support of point-to-multipoint (P2MP) Traffic Engineered (TE) Label Switched Paths (LSPs).(More)
The fabric architecture, which can realize massive packet forwarding even with small switches/routers, has been widely used as a network infrastructure in data centers in order to achieve high scalability and low cost. In carrier networks, large scale routers have been adapted as core routers due to the requirement of high density for accommodating a large(More)
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