Data Center Networking
Article | July 5, 2023
The third Annual OCP China Day, organized by the Open Compute Project (OCP) Foundation and hosted by Inspur, will be held on July 27, 2021 in Beijing. It marks another step in the right direction to popularizing open computing across the globe. This year is the tenth anniversary of the open compute project and the theme of OCP China Day is “Open compute for a new decade: Decarbonization, Efficiency, Adoption”.
Omdia has tracked the open computing market in detail for 5 years and over that period we have seen the end-user base expand and adoption take off. We expect 40% of the servers shipped in 2025 to be developed based on open standard, up from 7% in 2016. This is a very significant number, partularly given that our forecast takes into account large scale adoption at only two or three of the hyperscale cloud service providers. Most of the net new deployments are expected to be at tier-2 cloud, communication service providers and enterprises, including the public or government sector.
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Enterprise Mobility
Article | June 15, 2023
Discover key network performance metrics to enhance user experience. Explore in-depth latency, throughput, jitter, packet loss, VOIP quality, and MOS score to optimize network performance analysis.
Contents
1. Importance of Network Performance Metrics for Performance Analysis
2. Critical Key Network Performance Metrics to Monitor
2.1 Latency
2.2 Throughput
2.3 Jitter
2.4 Packet Loss
2.5 VOIP Qualiy
2.6 MOS Score
3. Steps to Monitor and Measure Network Performance
4. Significance of Monitoring Metrics in Network Troubleshooting
4.1 Provides Network Visibility
4.2 Prevents Network Downtime
4.3 Observe Bandwidth Usage
5. Overcome Monitoring Challenges in Network Performance Metrics
6. Key Takeaway
1. Importance of Network Performance Metrics for Performance Analysis
Network performance involves analyzing and evaluating network statistics to determine the quality of services provided by the underlying computer network. Considering various key network metrics, it is primarily measured from the end-users’ perspective. Measuring these metrics, analyzing performance data over time, and understanding the impact on the end-user experience is essential to assess network performance.
Measuring network performance requires considering factors such as the location and timing of measurements. For instance, network performance may differ when comparing paths between cities or during periods of varying user demands throughout the day. Therefore, a comprehensive approach to monitoring network performance involves identifying these variables and identifying areas for improvement.
Network performance metrics offer valuable insights into any network infrastructure and services. These metrics provide real-time information on potential issues, outages, and errors, allowing one to allocate IT resources efficiently. Understanding end-user demands can create an adaptive network to meet future business needs. However, comprehensive monitoring requires an advanced network monitoring tool to gather, analyze, and interpret data effectively, optimizing network performance. Leveraging relevant metrics can improve network performance, help make informed decisions, enhance network reliability, and deliver a superior user experience.
2. Critical Key Network Performance Metrics to Monitor
2.1 Latency
Latency, or network delay, is a crucial performance metric in network monitoring and management. It quantifies the time required to transmit data between destinations. Factors like packet queuing and fiber optic cabling affect network latency. Consistent delays or sudden spikes in latency indicate significant network performance issues. Monitoring and minimizing latency are essential for ensuring optimal network performance. By actively tracking latency, organizations identify and address issues that may cause delays in data transmission, thereby improving overall network responsiveness and minimizing disruptions for end-users.
2.2 Throughput
Throughput metrics for network monitoring enable measurement of the data transmission rate across various network segments. Unlike bandwidth, which represents the theoretical data transfer limit, throughput reflects the successful delivery of data packets to their destination. Variations in throughput can occur across different network areas. A low throughput indicates the presence of dropped packets requiring retransmission, and highlights potential performance issues that need attention. Monitoring throughput is crucial for effective network management. By monitoring this performance metric, organizations can gain insights into the actual data transmission rate, ensuring that it aligns with expected levels.
2.3 Jitter
Jitter, a key performance metric in network monitoring, refers to the variation in delay between packets, measured as the difference between expected and actual arrival times. It results due to network congestion, routing issues, or other factors, leading to packet loss and degraded application performance. Jitter disrupts the standard sequencing of data packets and can arise due to network congestion or route changes. Monitoring jitter is crucial for identifying and addressing network stability issues and ensuring reliable data transmission. By actively monitoring this performance metric, organizations can address variations in packet delay, mitigating issues that leads to packet loss and enabling proactive troubleshooting.
2.4 Packet Loss
Packet loss, a performance management network monitoring metric, represents the number of data packets lost during transmission. It directly affects end-user services, leading to unfulfilled data requests and potential disruptions. Packet loss can arise from various factors, including software problems, network congestion, or router performance issues. Monitoring the entire process precisely to detect and address packet loss, ensures reliable data transmission and optimal network performance. Monitoring packet loss with the right network monitoring software enables timely troubleshooting and optimization of network infrastructure, ultimately enhancing overall network reliability and performance.
2.5 VOIP Quality
VoIP (Voice over Internet Protocol) quality is a crucial network performance metric. It refers to the overall performance of a VoIP system in delivering clear and reliable voice communications over the Internet, replacing traditional phone lines. Factors influencing VoIP quality include network bandwidth, latency, packet loss, jitter, and the quality of end-user devices. Monitoring VoIP quality ensures optimal system functionality and high-quality voice communications. Key performance indicators (KPIs) such as mean opinion score (MOS), jitter, latency, packet loss, and call completion rates are utilized to assess and optimize VoIP quality.
2.6 MOS Score
Mean opinion score (MOS) is a vital performance metric in network monitoring, rating the perceived quality of a voice call on a scale of 1 to 5. It is a standardized measurement developed by the ITU, an international agency focused on enhancing communication networks. Initially designed for traditional voice calls, the MOS has been adapted to evaluate Voice over IP (VoIP) calls. The MOS score considers various factors, including the specific codec employed for the VoIP call, providing a comprehensive assessment of voice calls quality in network monitoring.
3. Steps to Monitor and Measure Network Performance
Step 1: Deploy a Software for Network Monitoring
To effectively measure network performance, deploying dedicated network monitoring software is crucial. While temporary tools like traceroutes and pings can provide insights into ongoing problems, they are insufficient for troubleshooting intermittent network issues. Relying on periodic tools for intermittent issues is reliant on chance, as it may only detect problems when they occur during tool usage. By implementing comprehensive network monitoring software, one can proactively monitor and analyze network metrics, historical data, and performance, allowing for timely detection and resolution of both ongoing and intermittent network issues.
Step 2: Distribute Monitoring Agents
For comprehensive network performance measurement, businesses must distribute monitoring agents strategically across key network locations. These specialized software agents continuously monitor network performance using synthetic traffic, simulating and assessing the end-user perspective.
By distributing Monitoring Agents, organizations can:
• Measure key network metrics, including jitter, packet loss, and throughput.
• Identify and troubleshoot intermittent network issues that are challenging to pinpoint.
• Receive alerts regarding any performance degradation, ensuring a timely response.
• Collect valuable data for in-depth troubleshooting and analysis, facilitating proactive network management and optimization.
Step 3: Measure Network Metrics
After deploying the monitoring agents, they continuously exchange synthetic User Datagram Protocol (UDP) traffic, forming a network monitoring session. During this session, the agents measure network performance by evaluating key metrics and conducting network traffic analysis. The metrics used in the analysis include specific parameters, and the results of these measurements are presented in a network response time graph, providing a visual representation of the network's performance characteristics. Monitoring and analyzing these metrics enable organizations to gain valuable insights into network performance, facilitating informed decision-making and convenient network performance troubleshooting.
4. Significance of Monitoring Metrics in Network Troubleshooting
4.1 Provide Network Visibility
Monitoring metrics plays a vital role in network troubleshooting by offering network visibility. They enable the identification of performance bottlenecks, configuration problems, and security vulnerabilities that detrimentally affects network performance. These issues can be addressed through targeted troubleshooting efforts, resulting in improved network performance and enhanced end-user experience. Organizations identify and resolve network issues by monitoring metrics, ensuring optimal network functionality and overall business productivity.
4.2 Prevent Network Downtime
Effective monitoring metrics are instrumental in preventing network downtime, a costly concern for businesses. Swift identification and resolution of network issues through proactive network performance troubleshooting help minimize downtime, ensuring uninterrupted business operations. By promptly addressing potential problems, network troubleshooting safeguards against lost productivity, revenue, and customer dissatisfaction. Maintaining a proactive approach to monitoring and resolving network issues to enhance network reliability and business continuity.
4.3 Observe Bandwidth Usage
Monitoring metrics are essential in network troubleshooting as they enable the observation of bandwidth usage. This allows organizations to detect abnormal or excessive utilization, pinpoint key performance issues and ensure optimal resource allocation. It allows for identifying critical bandwidth-hogging applications or network intrusions, helping experts take immediate action to mitigate risks, safeguard data, and protect the overall network integrity. Additionally, experts can optimize network performance and ensure a seamless user experience for organizations relying on efficient network infrastructure.
5. Overcome Monitoring Challenges in Network Performance Metrics
Enterprises seeking to ensure optimal network performance and improve overall business operations must overcome network monitoring obstacles. Effectively monitoring, tracking, and improving network performance requires a strategic combination of skilled personnel, advanced technologies, and well-defined strategies. Failing to address these requirements results in various challenges that hinder the ability to enhance network performance effectively.
The challenges that businesses often encounter include managing scalability, handling massive data volumes, achieving real-time monitoring, dealing with multi-vendor environments, addressing network security and privacy concerns, and adapting to evolving network demands. Each obstacle presents unique complexities that require tailored approaches and expert insights.
To overcome these challenges, enterprises must invest in comprehensive monitoring tools capable of handling the scalability demands of growing networks. These tools should provide real-time network visibility, robust analytics capabilities, and intelligent data filtering mechanisms to extract meaningful insights from vast network data. Establishing clear monitoring objectives aligned with business goals and defining key performance indicators (KPIs) are essential in effectively addressing network performance challenges.
6. Key Takeaway
Monitoring network performance metrics is crucial for assessing the quality of services a computer network provides from an end-user perspective. It involves continuously tracking and analyzing key metrics such as latency, throughput, jitter, packet loss, VOIP quality, and MOS score. Organizations can actively monitor and assess performance, proactively identify intermittent issues, and collect valuable data for in-depth analysis by implementing dedicated network monitoring software and strategically deploying monitoring agents across the network. In addition, it is imperative to emphasize the significance of monitoring metrics in mitigating the potential financial impact of network downtime, enhancing the utilization of available bandwidth resources, and efficiently tackling the complexities inherent in scaling operations, real-time monitoring, diverse vendor ecosystems, security concerns, and the ever-evolving requirements of modern networks.
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Network Infrastructure, Network Management
Article | July 27, 2023
Something revolutionary that solves problems becomes a product or service with many trade secrets you cannot afford to let loose in the market. All small, medium, and large businesses worry about how vulnerable they are to threats as far as data sharing within the organization is concerned. This is where a private network comes in.
Every business wants to take a technological leap for scalability. Two of the factors that private networks address are independence from commercial carriers for the network and maintaining the privacy of trade secrets. This helps achieve long-term goals to scale your business.
Powering your enterprise private network with the futuristic speeds of 5G can help your business achieve two goals at once. Take a look at why 5G has now started to matter even more.
Why 5G?
By 2026, the 5G market will reach $667.90 billion, with a CAGR of 122.3% from 2021 to 2026. It is estimated to go beyond $1.87 trillion by 2030. This massive technological transition will forever change how we communicate, process information, and connect with the cloud. A boost in turnkey research and development is one of the vital benefits of 5G that will help your business be one step ahead in the market.
What Makes the 5G Enterprise Private Network Ideal for Small and Medium-Sized Businesses?
A private enterprise network is VPN, LAN, WAN, or cloud-based. High-speed internet and low-latency data sharing or transfer are achieved using fiber optics in a 5G EPN. Expect superior service security, network slicing, enhanced service quality, and no risk of network congestion. Design your 5G EPN as per the software integrations required for your small and medium-sized business. This will allow seamless integration for present and future needs.
5G is about 100 times faster than 4G, leading to incredible speeds and unlocking many never-seen-before possibilities accelerating the speed of research for your enterprise. The network efficiency and the traffic capacity it can handle are 100x. Connecting and sharing data in almost real-time is made possible with 5G.
This means, a private 5G network can reduce the infrastructure needs of relatively more demanding managed wired networks for small and medium-sized businesses supporting 5G ecosystems. But it will keep up with the most advanced wireless technologies of the future and stop supporting older ones. In addition, 5G supports lower power consumption than 4G during data transmission. This means enterprises get better battery life on devices running 5G, including 5G IoT devices.
How Secure is a 5G Enterprise Private Network?
The 5G enterprise private networks are integrated or hybrid EPNs (enterprise private networks) and independent EPNs. It depends on whether your business wants to lease 5G spectrum from the government or a mobile network operator (MNO) and whether you will use a hybrid or independent EPN.
• Integrated 5G EPN: A small business can lease a private 5G line from an MNO. A public 5G network backs a virtual private network (VPN) for medium-to-small businesses. On the other hand, MEC and UPF from a public 5G network are used to set up a local network for large businesses.
• Independent 5G EPN: This is the most secure type of 5G EPN, the independent 5G EPN. It is independently built for your enterprise, owned, operated, and managed by you. You will be handling the RAN, core, edge computing nodes, and the wireless spectrum reserved for your use. These are mostly the goals of a large business that sends and stores data that needs to be very secure.
An independent 5G EPN is the best solution for large enterprises looking for the most secure private network. Also, it applies to businesses dealing with massive amounts of data.
Why Use the Cloud for Storage and Retrieval of Data in 5G EPN?
Access computing resources, data storage, development tools, and applications across the internet with the help of the cloud. The combined features of 5G and a private enterprise network create a healthy environment to implement cloud infrastructure. When thinking about using the cloud to store and get data in a 5G EPN, keep in mind the good things about it.
Interconnected, shared resources
5G speed
Improved reliability
Increased data accessibility
Better privacy and security
Efficient connectivity
Now that we have learned networking fundamentals for a better 5G EPN are resolved with the help of the cloud, let us discover how it can help your business scale.
How Can Your Small, Medium, or Large Business Scale up With a 5G EPN Network Easily?
You can use a 5G enterprise private network, or EPN, to get the most important benefits for a small business.
Speed to promote an industrial digital transformation
IoT readiness
Better control over digital assets.
Improved security
Reliable coverage
Network slicing
Ultra-low latency
Improved bandwidth
Improved quality of service (QoS)
You will have complete control over configuring and customizing your EPN, managed independently by your in-house 5G networks. Explore the future avenues of 5G private networks in detail.
The Future of 5G Private Networks and Wi-Fi with Industrial Use Cases:
According to a study by RAN Research, by 2028, private 5G networks will generate about $23.5 billion, with 19% usage in the manufacturing industry and 12% of the network in the healthcare industry. The deployment of the 5G network and upgraded Wi-Fi standards will likely be saturated by 2024. Most of the investments would be towards upgrading the infrastructure and maintaining the network.
The goal of fierce competition among telecom network operators will be to gain rapid market share, bringing down the cost of usage. The new service providers will garner competition from telecom giants, while 5G private networks from different enterprises will still be dominant and mainstream in providing security, privacy, and data isolation.
Leading Industrial Use Cases
Healthcare: A revolution in healthcare benefiting from 5G technology is bound to happen with their transition to a cloud-native architecture. The need for high-speed and reliable connectivity will arise sooner or later, and 5G private networks will perfectly meet the requirement. The driving forces for healthcare to adopt 5G private networks include the shift to demographics, value-based and patient-centric care, and emergency healthcare. In addition, the use of big data analytics, the internet of medical things (IoMT), better wearable medical technology, hospital remote monitoring systems, e-Health and more will need the speed that 5G offers.
Manufacturing: The Industrial Internet of Things (IIoT) uses private 5G networks. Depending upon the software-defined implementation of the 5G network, 5G does not just allow remote monitoring of production lines; it also regulates maintenance and device lifecycle while powering industrial automation. 5G is also finding its way into implementing augmented reality for troubleshooting electronics, additive manufacturing and 3D printing, automated guided vehicles, camera-based video analytics and more. Collaborative robotics, supply chain optimization, and maintenance using a digital twin are a few other things that are worth mentioning.
Supply Chain: Due to near-shoring, manufacturing and distribution will decentralize. Due to Internet of Things (IoT) devices with sensors, supply chain and shipping logistics companies will be able to reduce delivery times, have better control over warehouse and transportation environments, and offer great asset management services.
Final Thoughts
Finding the right 5G private network type for your enterprise is easy. It offers enhanced security while connecting to the cloud, IoT and more. This would allow the development of futuristic products and services, touching multiple industries, with healthcare, manufacturing, warehousing, and logistics among the top. Keeping trade secrets and the latest research and development secure and enhancing the capabilities by integrating future technologies will improve with a 5G EPN. With a 5G private network for your enterprise being used on a large scale, the future of networking looks bright.
FAQs:
What is the difference between a public 5G network and a private 5G network?
A single location or several locations of the same institution, business, or organization are the focus of a private 5G network. On the contrary, the public 5G network is nationwide with millions of subscribers without being dedicated to serving a single entity. Because of this, 5G EPN infrastructure solutions will probably be used on college campuses, in factories, hospitals, military bases, transportation hubs, and other places.
What is a private 5G network and what are the benefits of a private 5G network?
A 5G private network offers low latency, high bandwidth and multiple connections with access control, which are perfect for business applications for small, medium and large enterprises. Furthermore, 5G private networks allow you to tailor them to your business requirements, making them an excellent investment for your business. Again, while diversifying your business as per customer and market demand, it is crucial to have a networking infrastructure that can adapt to your changing needs. Therefore, a private 5G network becomes even more critical.
How does EPN help in centralization and business continuity?
When implementing business continuity planning and centralization of your organization, a 5G EPN can provide several benefits over a public network. It makes integrations easy, provides high-quality services, improves access control and reliability, and lets your business share resources in the best way for its current and future needs.
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Network Infrastructure
Article | June 7, 2022
Applications and workloads have been moving to the cloud for some time. This transition has been putting a lot of pressure on IT organizations to support the trend by extending their networks to support cloud connectivity.
Cisco SD-WAN enables your hybrid connectivity to the cloud
We at Cisco have innovated on multiple fronts to help our customers with this transition by providing a deep level of integration with many of the leading cloud service providers (CSPs), including Amazon Web Services (AWS), Microsoft Azure, and Google Cloud. Here, we highlight one key aspect of this innovation that allows private cloud links to be available as part of the SD-WAN network, enabling hybrid connectivity to the cloud and multicloud. Now our customers can benefit from all the rich features that our Cisco SD-WAN solution offers including application-aware routing, intent-based path selection, and security policy enforcement.
Private direct cloud connectivity to CSPs such as AWS Direct Cloud Connect, Google Cloud Interconnect, and Azure ExpressRoute are becoming popular lately, as they provide customers with optimal connectivity similar to what MPLS did in the past, but in a more agile and on-demand fashion. The only problem is those services are normally acquired separately and customers must determine how to manage them as part of a larger WAN solution including configuration, monitoring, and so on. The on-demand nature of these circuits provides customers with major savings, but also turns automation into a key requirement for management.
Enter Cisco SD-WAN release 20.6
Beginning with Cisco SD-WAN release 20.6, a Cisco SD-WAN customer may use Cloud OnRamp for Mutlicloud to automate and simplify cloud connectivity across private and public transports. What is great is this task, that used to require hours and days to setup, now only takes minutes as outlined by the following integration documents for AWS, Azure and Google Cloud respectively:
Configure AWS Direct Connect as a Transport with SD-WAN in a Click
Configure Azure Express Route as Transport with SD-WAN in a Click
Configure Google Cloud Interconnect as a Transport with Cisco SD-WAN in a Click
Once a customer implements such connectivity, they will have the ability to steer any type of traffic through it with a customizable and flexible SD-WAN policy. This solution also allows customers to eliminate some limitations imposed on them by the CSPs, such as restricting the number of prefixes advertised via BGP over private links, thus providing better scalability and control.
For customers who already use Cisco SD-WAN Cloud Interconnect at middle-mile POPs, such as with Equinix or Megaport, rolling out this solution as a test can be extremely simple given the automation discussed above. The best way to find out how easy this solution is, is to try it.
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