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Posted by smithmorgan on September 20, 2024 at 6:23am 0 Comments 0 Likes
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Posted by smithmorgan on September 20, 2024 at 6:22am 0 Comments 0 Likes
Many people think that it is not realistic to aim for freelance by self-education, but in reality, there are many freelance engineers who are active starting from 0. It is quite possible to aim for freelance even from inexperienced people. Below, let's look at the grounds and reasons for self-taught freelance.
Demand from companies is growing due to a shortage of engineers
In modern Japan, IT is rapidly becoming popular, and it has a great impact on both citizens' lives and…
Added by Field on June 30, 2021 at 10:35pm — No Comments
Field engineers are one of many IT engineer positions.
This is a job that goes to the customer's site to install and set up the hardware according to the request of the customer who purchased the company's products.
Not only that, we also perform maintenance and inspection of the product, maintenance, and repair, replacement, and restoration work in the event of a problem with the product.
Field engineers are active in the computer and digital industries, as well as in…
ContinueAdded by Field on June 27, 2021 at 9:20am — No Comments
Overlay networks are virtualized logical networks that operate on underlay networks, which are physical networks such as routers and switches. Overlay networks not only reduce operating costs such as connecting and disconnecting physical lines and changing switch settings, but also enable cloud providers to provide VPN services and reduce equipment purchase costs.
ONUG, a community aiming to open networks, defines the 10 main requirements for SD-WAN technology as…
ContinueAdded by Field on June 25, 2021 at 12:23am — No Comments
Both companies have determined that it will be difficult to maintain or enhance their existing WAN environment. The system managers of both companies eventually adopted SD-WAN, but let's sort out the points of interest as to why they chose it.
Point 1: Reduce the trouble of setting at the base ... Zero touch provisioning
Pay attention to the "zero touch provisioning function" of a certain SD-WAN product, which eliminates the need to manually perform complicated settings just by…
Added by Field on June 22, 2021 at 11:39pm — No Comments
Various WAN lines can be controlled in an active / active configuration
Being able to virtually provide CPE on commodity HW
Being able to dynamically control traffic based on the policy of the application etc.
Visualization, prioritization, and steering (Internet breakout) are possible for individual apps for each security, corporate governance, and compliance.
Being able to configure a hybrid WAN with high availability and flexibility
Supports L2 / L3 that can be…
SD-WAN does not depend on SDN technology, and uses a wide variety of technologies to convert the entire corporate network, including the WAN, into SD. In recent years, the term "SD-WAN" has appeared frequently in the media. This is an abbreviation for Software Defined-WAN. ITR defines SD-WAN as "a technology that enables dynamic on-demand control by software for corporate bases and networks connecting a wide variety of devices." SD-WAN does not refer to SDN or any other specific technology,…
ContinueAdded by Field on June 21, 2021 at 12:06am — No Comments
Due to the rapid increase in telecommuting and the growing needs for subscription / cloud services, existing network infrastructure is reaching its limits in terms of performance, privacy and security. What is attracting attention is "SD-WAN," which provides enterprises with the ability to remotely configure, manage, monitor, and protect most elements of the WAN, such as edge devices and traffic flows.
SD-WAN offers many benefits, including increased flexibility and agility, optimized…
ContinueAdded by Field on June 17, 2021 at 11:18pm — No Comments
Could you somehow understand what kind of features SD-WAN has? So why have SD-WAN vendors and existing network vendor products also entered the SD-WAN market in the last few years?
This is due to the recent use of Microsoft's Office 365 and other business applications in the cloud, and the increasing use of large-capacity content such as web conferencing systems and streaming video distribution.
In Japan, many companies have adopted a configuration in which Internet access is…
ContinueAdded by Field on June 15, 2021 at 11:08pm — No Comments
SD-WAN solutions transform enterprise WAN and multi-cloud connectivity to transform your organization's business and deliver superior application performance at the WAN edge of branch sites. SD-WAN uses a centralized management mechanism to determine and route optimal traffic paths (MPLS, 3G / 4G, broadband), enabling fast and easy access to business-critical cloud applications.
Traditional hub-and-spoke WAN architectures used slow, high-cost MPLS connections that did not provide a…
ContinueAdded by Field on June 13, 2021 at 9:57pm — No Comments
Network management aspects: Simplified management, cost reduction, security
In the past, in order to establish a secure network connection, it was necessary to design, set, and manage the VPN setting mechanism for all network devices at each site.
However, taking advantage of SD-WAN capabilities greatly simplifies these tasks. For example, when expanding a base or opening a satellite office, the administrator can easily change the settings at each base without touching the…
ContinueAdded by Field on June 10, 2021 at 9:49pm — No Comments
SD-WAN has 10 technical requirements set out by a community called the "Open Network User Group" that promotes network openness. Specifically, it is as follows.
(1) Various WAN lines can be controlled by active / active configuration (
2) CPE can be provided virtually on the commodity HW (
3) Traffic can be dynamically controlled based on policies such as applications (
4) Individual applications for security, corporate governance, and compliance On the other hand,…
Added by Field on June 9, 2021 at 9:29pm — No Comments
An era when business also requires a sense of speed. In the network as well, there is a need for rapid addition of bases associated with business expansion and M & A, and a flexible configuration that responds to ever-changing situations.
In addition, the ICT environment surrounding networks is changing. The amount of communication has increased dramatically due to the expansion of SaaS and private cloud usage represented by Office 365. Due to work style reforms, remote work…
ContinueAdded by Field on June 8, 2021 at 11:32pm — No Comments
An engineer must undoubtedly be a creative person. Someone working in this profession must be able to invent new systems and ways of working. All this to increase the efficiency of the task we perform. So we have to think creatively and be able to provide a good and clever solution to the problem we face. In addition to that, of course, we must be very good at math. Logical thinking is essential. You need to be able to understand complicated mathematical analysis and other things related to…
ContinueAdded by Field on June 2, 2021 at 11:40pm — No Comments
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