Cisco Cisco Prime Network Services Controller Adaptor for DFA 白書
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Acronym or Abbreviation
Expansion and Description
NSC
Network Services Controller; refers to Cisco Prime Network Services Controller
Cisco Prime NSC is a services orchestrator in a Cisco Unified Fabric automation solution. It provides orchestration
and automation of network services in a multitenant cloud deployment. It can be integrated with virtual computing
and storage managers such as VMware vCenter and OpenStack controllers and can manage the Cisco Virtual
Security Gateway (VSG), Cisco Adaptive Security Appliance (ASA) for Nexus
and automation of network services in a multitenant cloud deployment. It can be integrated with virtual computing
and storage managers such as VMware vCenter and OpenStack controllers and can manage the Cisco Virtual
Security Gateway (VSG), Cisco Adaptive Security Appliance (ASA) for Nexus
®
1000V Series Switch, Cisco Cloud
Services Router (CSR), and other 3
rd
party products such as the Citrix Netscaler VPX.
OVA
Open Virtual Appliance
OVA is an open standard for packaging and distributing virtual appliances, which are deployed as virtual machines.
A virtual appliance is a prebuilt software solution maintained, updated, and managed as a single piece of software.
Cisco Prime DCNM Release 7.0 or later is available in OVA format for VMware.
A virtual appliance is a prebuilt software solution maintained, updated, and managed as a single piece of software.
Cisco Prime DCNM Release 7.0 or later is available in OVA format for VMware.
POAP
Power-On Auto-Provisioning
POAP allows a device to be automatically bootstrapped with the desired configuration and images to reduce the
deployment time for Cisco Unified Fabric. It requires a DHCP, Trivial FTP (TFTP), and Secure Copy (SCP) server
along with a configuration repository.
deployment time for Cisco Unified Fabric. It requires a DHCP, Trivial FTP (TFTP), and Secure Copy (SCP) server
along with a configuration repository.
REST API
Representational State Transfer Application Programming Interface
This standard programming interface is used to exchange information mainly through HTTP calls. Fabric
management uses the REST API to support information exchange between Cisco Prime DCNM and NSC,
orchestrators, and other northbound systems.
management uses the REST API to support information exchange between Cisco Prime DCNM and NSC,
orchestrators, and other northbound systems.
RR
Route Reflector; for BGP
Route reflectors are used to reduce the number of BGP sessions and to overcome the requirement to provide full-
meshed iBGP connectivity. Route reflectors reduce configuration efforts when the number of BGP-speaking nodes
changes or grows. Route reflectors typically are placed at the spine switches and distribute end-host reachability
information for all address families from leaf switches to other leaf switches.
meshed iBGP connectivity. Route reflectors reduce configuration efforts when the number of BGP-speaking nodes
changes or grows. Route reflectors typically are placed at the spine switches and distribute end-host reachability
information for all address families from leaf switches to other leaf switches.
SCP
Secure Copy Protocol
SCP is a protocol for securely transferring files between two nodes and is based on the Secure Shell (SSH)
protocol. Cisco Prime DCNM uses SCP to upload Cisco NX-OS images and configurations from the local image
repository to the Cisco Unified Fabric switches during the POAP process.
protocol. Cisco Prime DCNM uses SCP to upload Cisco NX-OS images and configurations from the local image
repository to the Cisco Unified Fabric switches during the POAP process.
Spine
Specific Role of a Physical Switch in a Clos topology
A spine is a transit node in the Clos architecture for connecting leaf switches. Spines do not provide end-host
connectivity; a spine is a forwarding node only and therefore is an intermediate node on the path between two leaf
switches.
connectivity; a spine is a forwarding node only and therefore is an intermediate node on the path between two leaf
switches.
TFTP
Trivial File Transfer Protocol
TFTP is a simple protocol for transferring files between two nodes. Cisco Prime DCNM uses TFTP to present the
Python POAP boot script from the local image repository to the Cisco Nexus switches during the POAP process.
Python POAP boot script from the local image repository to the Cisco Nexus switches during the POAP process.
TLV
Type-Length-Value
Various protocols support TLV encoding. TLV-capable protocols provide a flexible and simple way to extend
capabilities or functions without the need to rewrite the whole protocol code. For example, LLDP (cable
management) and Cisco FabricPath IS-IS (multiple extensions) use TLV to improve or extend the protocol
capabilities.
capabilities or functions without the need to rewrite the whole protocol code. For example, LLDP (cable
management) and Cisco FabricPath IS-IS (multiple extensions) use TLV to improve or extend the protocol
capabilities.
VDP
Virtual Station Interface (VSI) Discovery and Configuration Protocol (VDP)
To provide a network overlay, leaf nodes must be aware of virtual machine network information. VDP is an IEEE
protocol and communicates network information about a virtual machine from the virtual switch to the leaf switch;
the leaf switch subsequently interprets this information and instantiates the appropriate resources, such as Virtual
Routing and Forwarding (VRF) instances, SVIs, and VLANs, on the leaf switch. In the context of workload-
automation, VDP often refers to control-plane instantiation. The Cisco Nexus 1000V Switch and Open vSwitch
(OVS) with DFA extensions support VDP today.
protocol and communicates network information about a virtual machine from the virtual switch to the leaf switch;
the leaf switch subsequently interprets this information and instantiates the appropriate resources, such as Virtual
Routing and Forwarding (VRF) instances, SVIs, and VLANs, on the leaf switch. In the context of workload-
automation, VDP often refers to control-plane instantiation. The Cisco Nexus 1000V Switch and Open vSwitch
(OVS) with DFA extensions support VDP today.
vPC
Virtual PortChannel
vPC allows links that are physically connected to two different physical Cisco switches to appear to a third
downstream device to be coming from a single device and as part of a single PortChannel. The third device can be
a switch, end-host, fabric extender, or any other networking device that supports IEEE 802.3ad PortChannels.
downstream device to be coming from a single device and as part of a single PortChannel. The third device can be
a switch, end-host, fabric extender, or any other networking device that supports IEEE 802.3ad PortChannels.
vPC+
Enhanced Virtual PortChannel
vPC+ is based on vPC and supports redundant end-host connectivity in a Cisco FabricPath environment, in which
a host, a fabric extender, or a Classic Ethernet switch is connected to two physical Cisco FabricPath switches that
provide northbound Cisco FabricPath uplinks. A pair of Cisco FabricPath switches builds a virtual switch, which are
connected through a vPC+ peer link, which is a Cisco FabricPath link, too. Cisco Unified Fabric with automation
uses southbound vPC+ connectivity to end-hosts, fabric extenders, and switches in the same flexible manner as
with Cisco FabricPath.
a host, a fabric extender, or a Classic Ethernet switch is connected to two physical Cisco FabricPath switches that
provide northbound Cisco FabricPath uplinks. A pair of Cisco FabricPath switches builds a virtual switch, which are
connected through a vPC+ peer link, which is a Cisco FabricPath link, too. Cisco Unified Fabric with automation
uses southbound vPC+ connectivity to end-hosts, fabric extenders, and switches in the same flexible manner as
with Cisco FabricPath.
XMPP
Extensible Messaging and Presence Protocol
XMPP is a message-oriented middleware based on XML. The protocol was originally named Jabber and was
developed by the Jabber open-source community. Cisco Prime DCNM has a built-in XMPP server. XMPP provides
an easy-to-use human-to-machine interface through which users can push configurations to or pull output from all
devices in a predefined group.
developed by the Jabber open-source community. Cisco Prime DCNM has a built-in XMPP server. XMPP provides
an easy-to-use human-to-machine interface through which users can push configurations to or pull output from all
devices in a predefined group.