Service Delivery Monitoring

 

Service Delivery Monitoring and Service Assurance Refer to Similar Capabilities.

Service delivery monitoring is the technology that enables the visualization, detection, alerting and reporting on the status of the end-to-end IT service.

Service assurance is a framework of technology and processes to ensure that IT services offered over the enterprise network meet the agreed to service quality level (SLA) for an optimal user experience. LiveNX enables end-to-end service delivery monitoring and service assurance through the optimization of the application performance across a hybrid network infrastructure.

CAPABILITIES

Alerting

LiveNX alerts based on anomalous behavior using statistical methods and machine learning. Standard alerting uses set thresholds for voice, video, applications, bandwidth, etc. with user-directed levels. Advanced alerting uses a dynamic baseline that learns per metric over a period of time. Alerting can be combined with enterprise incident management platforms e.g. PagerDuty

Application Performance Monitoring

LiveNX senses an application’s characteristics from flow or packet based protocols to visually present active behavior such as average delay, bandwidth utilized, and path route.

Application Visibility and Control

Cisco Application Visibility and Control (AVC) is a solution that uses multiple technologies such as NBAR2 and NetFlow version 9 and management tools that, when working together, provides a powerful and pervasive integrated solution for application visibility.

Chord Diagram

A chord diagram is a graphical method of displaying the inter-relationships between data and site locations. The data is arranged radially around a circle with the relationships between the data points typically drawn as arcs connecting the data. Visualization of the WAN and site-to-site information is done via chord diagrams for overall WAN traffic analysis and Sankey diagrams for in-depth site-to-site analysis with respect to application performance.

Dashboard

LiveNX presents customizable summary dashboards views of the enterprise-wide environment with color-coded alerts to quickly identify the number of sites, devices and applications experiencing performance degradation.

Flow Collection

Flow is a general term that references a class of network protocols that provide the collection and monitoring of network traffic. Flow data is collected from network infrastructure, endpoint devices and virtual machines and aggregated through the LiveNX three-tier architecture to be analyzed and presented to network engineers and IT operations.

Historical (DVR) Playback

LiveNX stores raw flow data for historic playback to support forensic analysis. The Historical Playback feature in the flow device-level view replays the historical flow data collected over the previous 24-hour period. This feature has access to all the flow data collected by LiveNX, and all the filtering options are available. Very valuable for root cause analysis and post-mortem reviews.

IPFIX

RFC 7011 – The IP Flow Information Export (IPFIX) protocol, serves as a means for transmitting traffic flow information over the network. IPFIX defines how the transmission of traffic flow information from an exporting process to a collecting process, a common representation of flow data and a standard means of communicating them are required.

IP SLA

IP SLA allows the capability for a network engineer to monitor the performance between any area in the network: core, distribution, and edge. LiveNX IP SLA is a technology module that makes IP Service Level Agreement (SLA) operations easily accessible for generating synthetic network traffic to monitor latency, loss, jitter, and MOS (for VoIP).

J-Flow

J-Flow is a Juniper Networks protocol and defined as a bidirectional packet stream identified by a unique set of similar characteristics. Juniper J Series Services Routers and SRX Series Services gateways are designed around a flow-based architecture. By default, these devices inspect the network and transport layer attributes of incoming packets and create flow sessions for a set of seven IP attribute values: source IP address, destination IP address, source port address, destination port address, IP protocol, IP type of service (ToS), Incoming interface

Medianet

Medianet is the Cisco recommended architecture for video and collaboration deployments. It defines protocols and design practices such as leveraging NetFlow, which LiveNX captures.

Monitor of Monitors

Monitor of Monitor provides LiveNX system visibility for system administrators and support teams. As a distributed LiveNX environment can become complicated, it is important to provide system-level understanding and insights. The Monitor of Monitor interconnects to the LiveNX Servers and aggregates system performance such as CPU, storage, RAM, etc., which are displayed in a set of summary dashboards with drill down per site and server.

NetFlow

Cisco developed NetFlow initially in 1996 as the primary network instrumentation to provide visibility into the network for application and network usage, utilization, anomaly and compliance issues. Flows are defined by a unique key of seven different fields: IP source address, IP destination address, source port, destination port, Layer 3 protocol type, Class of Service/DSCP/TOS, router or logical interface Recent NetFlow versions (v8 and v9 only) provide for aggregation of expired flows.

Network-Based Application Recognition

NBAR and NBAR2 are Cisco Deep Packet Inspection (DPI) technology. Network-based application recognition (NBAR) is a way of inspecting streams of packets, down to layer 7 inspection, to identify the end application. NBAR2 provides stateful Deep Packet Inspection (DPI) capability natively. NBAR, or NBAR2 support over 1000 applications signatures.

Network Topology View

The LiveNX Flow technology module for the LiveNX platform provides an innovative network topology view with end-to-end NetFlow, sFlow, J-Flow, etc.

visualization of live traffic across the network. This enables you to quickly drill down to individual devices or interfaces for more detail on flow characteristics such as IP addresses, DSCP values, byte rates and count.

In addition, the LiveNX flow technology provides historical and real-time reporting, filtering, flexible support for different templates and many other features, which makes it easy identify trouble spots on the network and gain a better understanding of traffic patterns.

Network Visualization

LiveNX’s patented visualization technology simplifies network operations and troubleshooting. LiveNX utilizes visual toolsets to illustrate situational awareness principles mapped in the context of the current state of the network.

The LiveNX platform uses a graph-based, visual analytics capabilities for visual situational awareness with five different levels of visualizations of flow information: Dashboard, System View, Device View, Interface View, and Reports.

PfR

Cisco Performance Routing (PfR) delivers intelligent path control for application-aware routing across the WAN. PfR provides dynamic selection of the best path for application-based business policies and application-based load balancing across paths for full utilization of bandwidth with improved network availability.

LiveNX monitors PfRv3 performance on a per-flow basis and applies what is learned to select the best path for that application.

Path Analysis

LiveNX hop-by-hop application and flow path analysis provide a determination of the problem location. For easy troubleshooting, color-coded alerts indicate red on the topology map for service impacting status.

Real-Time Analysis

Within LiveNX, the accumulated real-time data is analyzed and represented in topology views, path maps, sites (eg. chord diagram, Sankey diagram), and graphs for proactive troubleshooting and remediation of the issue.

Sankey

Sankey diagrams are a specific type of flow diagram, in which the width of the arrows are shown proportionally to the flow quantity. Sankey diagrams provide a way to show multiple dimensions of a data set in an exploratory fashion in a flow-like manner.

Situational Awareness

Visual presentation of an understanding of the current state of the network mapped to a model a human can understand—including geography, topology, path, status of major apps/sites/users, physical/logical links, real-time and historical.

Traffic Flow Profiling

The profile of a network describes the traffic patterns and resource bottlenecks of a network. LiveNX enables network engineering and IT operations to understand available bandwidth, what applications are running, understand each application’s behavior and measuring application response times and to extract meaningful information from your network of the applications it is supporting.

Test Traffic Generation

LiveNX generates and sends synthetic test traffic from the router for measuring network performance, enabling detailed editing of test configurations to simulate complex traffic patterns.

Time Synchronization

For accurate time measurements, network devices must be synchronized with a common reference clock. This can be accomplished by using Network Time Protocol (NTP) synchronization with an NTP server, or by assigning one network device to function as a time master server. The accuracy of one key latency metric that is directly linked to NTP is the LiveNX UDP, jitter, one-way delay test operation. This IP SLA operation can test and report the one-way delay for both the outbound and return paths between two points on the network.

LiveAgent Flow

LiveAgent Flow produces network flow intelligence in the IETF-defined Internet Protocol Flow Information Export (IPFIX) protocol, combining standard IANA-defined fields with custom extended fields to add the endpoint activity associated with the observed network traffic, extending network visibility to the endpoint.

Managing IP SLA Tests

The manage test allows you to create, delete, copy and group tests including extended test coverage and scheduling capability.

Different system tests allow for different IP SLA test types. For each test type, a specified number of test instances can be set up. Real-time Services Test

  • Jitter
  • Video

Applications Test

  • DHCP
  • DNS
  • ICMP Echo
  • FTP
  • HTTP

Network Topology
LiveNX allows you to select the network topology used in the tests.

Mesh: All connections are bidirectional between devices

Hub and Spoke: Options to use bidirectional, hub to spoke, and spoke to hub connections

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