Kentik

NOVEMBER 7, 2021

The mail server, the CRM, the file servers, etc. If we had a connection problem, we’d call over the cubical something like, “Hey Darla, can you see the Skywalker server? The NetOps team can’t Telnet to routers and look at routing tables, and they can’t change routes or span a port to collect packets. Strength in numbers.

Routers 104

Routers Internet Application Server 104

ByteByteGo

NOVEMBER 23, 2024

The source could be any video and audio source wired up to an encoder Step 2: To provide the best upload condition for the streamer, most live streaming platforms provide point-of-presence servers worldwide. The streamer connects to a point-of-presence server closest to them. share one router with a single public IP address.

IP Address 100

IP Address Routers Internet Server 100

Kentik

SEPTEMBER 22, 2021

In an effort to regularize the deployment of software patches and updates to their software, Microsoft, years ago, designated this the day of the month to be when patches get pushed out globally to computers, servers, and other devices running Microsoft’s operating systems. OTT Service Tracking. How does OTT Service Tracking help?

DNS 145

DNS Port Routers Network 145

Kentik

SEPTEMBER 20, 2021

Not as difficult as time travel, but it’s difficult enough so that for 30+ years IT professionals have tried to skirt the issue by adding more bandwidth between locations or by rolling out faster routers and switches. Each switch and router we pass through introduces a bit of latency that adds up quickly. How latency is measured.

TCP 116

TCP Routers Bandwidth IP Address 116

Kentik

APRIL 16, 2023

One of the great successes of software development in the last ten years has been the relatively decentralized approach to application development made available by containerization, allowing for rapid iteration, service-specific stacks, and (sometimes) elegant deployment and orchestration implementations that piece it all together.

Application 64

Application DevOps Network Networking 64

Kentik

AUGUST 3, 2021

Some of the biggest benefits when adopting a hybrid-cloud configuration are: Applications in the cloud often have greater redundancy and elasticity. This allows DevOps teams to configure the application to increase or decrease the amount of system capacity, like CPU, storage, memory and input/output bandwidth, all on-demand.

Cloud 124

Cloud Network Networking Gateway 124

Kentik

JANUARY 10, 2022

To be more specific: slowness can be introduced as your digital connection traverses your PC, the local wifi/wired connection, the local ISP, the Tier 1 or Tier 2 provider, or the CDN that provides the hardware which hosts the web server running the application. False alarms. This would cut time off the test.

IP Address 98

IP Address DNS TCP Application 98

Kentik

APRIL 3, 2023

Since the kernel is basically the software layer between the applications you’re running and the underlying hardware, eBPF operates just about as close as you can get to the line-rate activity of a host. When an application runs from the user space, it interacts with the kernel many, many times. How does eBPF work?

TCP 110

TCP Application Virtual machine Network 110

Kentik

MARCH 13, 2023

How it used to be When I started my career in networking, servers were down the hall or in the campus data center. Yes, there’s something to say about how applications are written, but on the public internet side, we’ve seen a decrease in latency, cost, and a massive increase in available bandwidth. So where are we today?

WAN 98

WAN Wide Area Network Topology Internet 98

Kentik

OCTOBER 12, 2021

When I first entered the networking industry right out of college, many applications sent passwords over the network in clear text, unencrypted. This made accurately monitoring latency and packet loss to some applications impossible. The NPM goal is still to improve the overall end-user experience with their applications.

Encryption 84

Encryption DNS IP Address Protocol 84

CATO Networks

APRIL 25, 2017

When users are in VLAN 1, for example, they can readily access the servers in VLAN 1. Its impossible to apply the service based on individual applications. Layer-3 Service Insertion With L3 service insertion, network services in the datacenter are inserted at the router. Such an approach is common in many datacenters.

WAN 52

WAN Routers Firewall Wide Area Network 52

Kentik

APRIL 4, 2023

Be it power supplies, servers, routers, load balancers, proxies, or any other physical and virtual network components, the horizontal scaling that redundancy provides is the ultimate safety net in the presence of failure or atypical traffic demands. Top talkers are often the cause of outages for application stacks.

Cloud 104

Cloud Network Networking Bandwidth 104

Kentik

FEBRUARY 8, 2023

Port mirroring Another method for gathering traffic telemetry is port mirroring, which replicates (mirrors) the network traffic on a switch or router to a monitoring device. Software probes Software probes are programs that can be installed on servers or network devices to collect data on network traffic.

Network 111

Network Networking Port IP Address 111

Kentik

SEPTEMBER 19, 2018

The physical topology continues to expand with relentless traffic growth, and a constant stream of new technologies like SDN, Clos architectures, and cloud interconnects make it even harder to understand how services traverse the network between application infrastructure and users or customers. become difficult to answer.

Network 49

Network Networking Routers Server 49

Kentik

OCTOBER 14, 2021

Gradually moving up from T1 to T2 to T3 support lines, she eventually learned enough to move server-side. Having the ability to set up buddy systems where people sit right next to each other setting up routers, troubleshooting problems and learning together allowed her greater opportunity to ask questions in an open environment.

Network 98

Network Networking Engineering Routers 98

Kentik

OCTOBER 20, 2021

Unless the complaint is coming from all remote users of an application, individuals suffering from slowness are on their own to figure out how to optimize connection speeds. We can’t telnet to the routers in the path because different companies in different countries own them. We must consider new ways of gaining performance insights.

Encryption 52

Encryption Routers DevOps Application 52

Kentik

JULY 20, 2018

Once NetFlow is enabled on a router or other network device, it tracks unidirectional statistics for each unique IP traffic flow, without storing any of the payload data carried in that session. In these cases, collectors then synchronize their data to a centralized analyzer server. NetFlow Productization.

Routers 40

Routers IP Address Protocol Server 40

CATO Networks

OCTOBER 30, 2019

We all get the concept: to transmit data over a TCP/IP network like the Internet requires the data be broken down into small packets (usually less than 1500 bytes) containing the relevant application data (payload) and headers. Common causes of packet loss include: Routers with heavy CPU load. tracert/traceroute. Security breaches.

WAN 52

WAN Routers TCP Protocol 52

Confluent

JUNE 26, 2019

Domain-driven design is used to define the different bounded contexts which represent the various business processes that the application needs to perform. So you wouldn’t apply DDD to, say, infrastructure software or building routers, proxies, or caching layers, but instead to business software that solves real-world business problems.

Application 109

Application Protocol PaaS Blockchain 109

Kentik

JANUARY 13, 2021

Ping is a utility that’s available on practically every system, be it a desktop, server, router, or switch. If it’s unclear from flow, and often if it’s a router or other system bug, you may need to go to the packets. There’s a sports analogy that says “the most important ability is availability” for systems. Up the Stack.

Network 114

Network Networking TCP Protocol 114

Kentik

JANUARY 19, 2018

Cloudflare Access aims to replace corporate VPNs (TechCrunch) “Essentially Cloudflare is doing the important part of the VPN — inspecting certificates and traffic, establishing a chain of trust for packets — in a less clunky way and one that enables companies to let data live on cloud services instead of internal servers,” reported TechCrunch.

Network 40

Network Networking Routers Artificial Intelligence 40

CATO Networks

MARCH 27, 2019

UCaaS offerings move unified communications capabilities integrated calling, conferencing, and messaging applications normally delivered from on-premises servers, into the cloud. They have not yet begun to deploy SD-WAN to add bandwidth, support real-time applications, and reduce WAN spend.

WAN 52

WAN Bandwidth MPLS Network 52

Kentik

SEPTEMBER 26, 2016

To quote: “Today’s typical NPMD vendors have their solutions geared toward traditional data center and branch office architecture, with the centralized hosting of applications.”. Monolithic applications running in an environment like the one described earlier are not quite gone yet, but they represent the architecture of the past.

Network 40

Network Networking Data Centers Server 40

Kentik

DECEMBER 22, 2016

Kentik’s NPM solution goes beyond typical NetFlow traffic analysis in that it is enabled through the installation of an nProbe application on Linux based servers. Well, as the probe is installed on the server itself, it is privy to information which NetFlow devices are not. Network latency per client/server/application (ms).

Network 40

Network Networking Server Port 40

Engineering at Meta

AUGUST 14, 2024

To enforce this we made sure that the server load—queued requests plus in-flight requests—is at most one, and that the server rejects other new requests. Further investigation led us to discover that our router needed to have more optimized settings for retries. It had neither delay nor backoff.

Media 102

Media Server Engineering Routers 102

Akins IT

FEBRUARY 14, 2018

With the advent of the Cloud, mobile applications, social media, the Internet of Things, and the latest and greatest emerging technologies, it can be challenging to find the correct entry point to better security. EMS implementation of Single-Sign-On (SSO) can tie all business applications together for each end-user management.

Application 52

Application Network Networking Information Technology 52

AWS Architecture

OCTOBER 4, 2024

Under the EUs revised PSD2, banks can use application programming interfaces (APIs) to securely share financial data with licensed and approved third-party providers (TPPs), when there is customer consent. For example, this can allow you to track your bank balances across multiple accounts in a single budgeting app.

Banking 56

Banking Financial Application DNS 56

CATO Networks

JANUARY 3, 2018

This is one of the reasons that, according to Gartner analyst Joe Skorupa , by 2020, more than half of WAN edge infrastructure refreshes will be based on SD-WAN versus traditional routers. As a result, networks need to adapt to the new requirements of the increased use of cloud applications.

Network 52

Network Networking WAN Wide Area Network 52

Kentik

NOVEMBER 18, 2016

Kentik offers a cloud-friendly NPM solution that includes the mature and proven nProbe NPM agent from ntop that can be installed on application and load balancing servers. It performs packet capture on sampled traffic flows of actual application traffic.

Cloud 40

Cloud Server Port DevOps 40

Kentik

OCTOBER 3, 2016

Addressing the visibility gaps left by legacy appliances in centralized data centers, Kentik NPM uses lightweight software agents to gather performance metrics from real traffic wherever application servers are distributed across the Internet. And in some cases, the semantics of what the application is actually doing.

Routers 40

Routers Internet Network Networking 40

CATO Networks

JANUARY 9, 2019

People like to set up routers and such and then touch them as infrequently as possibleand that goes both for enterprises and for their WAN service providers as well. When the network is running on commodity hardware such as x86 servers and whitebox switches, you can fundamentally change your networks capabilities by deploying new software.

WAN 52

WAN Digital Transformation Network Networking 52

CATO Networks

APRIL 20, 2016

Originally, the concept of SDN emerged as a way to unbundle a hardware networking device (like a router) into a software-based control plane and a hardware-based data plane. Apparently, standard servers with optimized, yet standard, Intel hardware and DPDK-enabled software stack can handle multi-gigabit network workloads.

Network Security 52

Network Security Network Networking Cloud 52

CATO Networks

MARCH 20, 2018

Check that the SD-WAN can also connect cloud datacenters, cloud applications, and mobile users. It just needs to be connected and powered up, and downloads its configuration from a predefined server or location. This still doesnt protect against malware and other application-layer attacks.

WAN 52

WAN MPLS Wide Area Network Network Security 52

Kentik

SEPTEMBER 20, 2016

They need to be able to see when performance is impacting user experience, service, or application quality so that they can respond with proactive or preventative steps. For example, using SNMP or flow data to track traffic volume on interfaces, servers, and devices can provide necessary visibility into possible congestion points.

Network 40

Network Networking TCP Server 40

CATO Networks

NOVEMBER 18, 2018

When backhoes cut a wiring duct, squirrels chewed through wires, or router updates blew up the network, the MPLS provider was charged with fixing the problem. The carrier and providers who will monitor and manage your last miles are often limited to the capabilities of the edge device, namely the router.

WAN 52

WAN MPLS Routers DNS 52

Engineering at Meta

NOVEMBER 21, 2022

To support the billions of people around the globe using our technologies, we need to be confident that every server — in every data center — knows and agrees what time it is, as accurately and precisely as possible. The more servers there are between endpoints, the more important synchronization is. They’re like insulation on pipes.

Data Centers 53

Data Centers Server Network Networking 53

Kentik

DECEMBER 19, 2016

If the link is congested, then a basic NetFlow tool function allows you to double click on that, and you can see that the link is full because there’s tons of traffic due to the database servers syncing. If you’re 100% in the cloud, generally what you would do is use an agent that can run on the server and watch the packets.

Network 40

Network Networking Application Server 40