词条 | Point of delivery (networking) |
释义 |
A point of delivery, or PoD, is "a module of network, compute, storage, and application components that work together to deliver networking services. The PoD is a repeatable design pattern, and its components maximize the modularity, scalability, and manageability of data centers." [1] The modular design principle has been applied to telephone and data networks, for instance through a repeatable node design describing the configuration of equipment housed in point of presence facilities. The term is similarly used in cable video networks,[2] to describe the modular component that delivers video service to a subscriber. The distinction of a PoD versus other design patterns is that it is a deployable module which delivers a service. The PoD design pattern is especially important in service provider infrastructure, for instance in datacenters supporting cloud computing services, in order to sustain scalability as usage grows. References1. ^Cisco Nexus 2000 Series Fabric Extenders Data Sheet {{Compu-stub}}{{Compu-network-stub}}{{Tech-stub}}2. ^{{cite web|url=http://www.cablelabs.com/news/pr/2000/2000_01_18.html |title=CableLabs® Releases OpenCable™ POD Interface Copy Protection System Specification |publisher=CableLabs |date=January 18, 2000 |archiveurl=https://web.archive.org/web/20101121015555/http://cablelabs.com/news/pr/2000/2000_01_18.html|archivedate=November 21, 2010}} 3 : Network architecture|Software design patterns|Systems engineering |
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