Scalable Network Engineering for Large ISP

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RFP for the Development of a Custom ISP Solution for a Global Organization

We are seeking proposals from skilled network engineers and consultants to develop a custom Internet Service Provider (ISP) solution tailored to a global organization with 30 to 120 locations worldwide, each housing up to 400 employees. The primary objective is to securely analyze internet access activities of employees using smartphones and computers, ensuring comprehensive insight into access patterns across the organization.

Project Overview:

The solution will centralize traffic from all locations to the organization’s headquarters using VPNs, post which, traffic will be directed through a router or switch supporting Flexible NetFlow, before exiting to the internet via CGNAT (Carrier-Grade NAT). The organization plans to deploy Fortigate-201F units at the headquarters and Fortigate-60F units at each location, with IPSec connections envisioned for secure site-to-site communication.


Traffic Analysis and Bandwidth Management: Utilize Flexible NetFlow for traffic analysis to identify individual flow data, enabling the identification of excessive usage by individuals. Implement mechanisms using MQC, Traffic Shaper, and Rate Limiting to enforce bandwidth restrictions for identified individuals exceeding their allotted bandwidth.

Dynamic Bandwidth Control for Locations: Develop a system to manage internet access based on preset maximum data usage (e.g., 1TB) per location. The system should automatically adjust the maximum speed of the entire location's internet access to predefined thresholds (e.g., reduce to XX Mbps after 50% data usage and YY Mbps after 75% usage).

Redundant Configuration: Ensure redundancy in the deployment of CGNAT, Fortigate-201F units at the headquarters, FlexibleNetflow, and management servers to maintain uninterrupted service and data integrity.

Future-Proofing: The solution should be forward-compatible with IPv6 to accommodate future network upgrades without significant overhauls.

Proposal Requirements:

Network Equipment Selection: Provide recommendations for network equipment models and licensing types that are currently active (not EOL) and offer cost-effective solutions for the proposed infrastructure.

Network Diagram: Include a detailed network configuration diagram illustrating the proposed solution, including all connections, devices, and redundancy measures.

Cost Estimate: Offer an estimated cost for the purchase of the required network equipment, taking into consideration the need for a cost-effective approach that does not compromise on functionality or future scalability.

Submission Guidelines:

Proposals should be comprehensive, detailing your approach to meeting the project’s objectives, including technical specifications, projected timelines, and a clear breakdown of estimated costs. Please ensure that your proposal is prepared in English and submitted by end of feb. 2024.

We look forward to reviewing your innovative solutions to meet our unique networking needs.

Netværksadministrator Cisco Internetsikkerhed Computer Sikkerhed Linux

Projekt ID: #37798070

Om projektet

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(75 bedømmelser)

17 freelancere byder i gennemsnit $532 timen for dette job


Hello Dear, I have 7 years of experience in ISP networks and I have a Cisco CCNP certificate. I have great experience in various network technologies such as VLAN, STP, OSPF, EIGRP, BGP, MPLS, OpenVPN, IPsec, L2TP, PP Flere

$500 USD in 7 dage
(360 bedømmelser)

Hey Good morning , Just finished reading the brief details . I see you have been looking for someone who has experience with these tech stacks Internet Security, Linux, Cisco, Network Administration and Computer Securi Flere

$750 USD in 13 dage
(8 bedømmelser)

Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on Flere

$300 USD på 1 dag
(152 bedømmelser)

Hi There I have checked your project description and understand everything. I am very confident that i can handle this project perfectly. As i have 10+ years of experience in this field. Right now, I am placing a pl Flere

$500 USD in 7 dage
(1 bedømmelse)

Yes I have read your project and understood requirements but have some doubts. please message me so we can discuss in detail. i am ready to start work.

$500 USD in 7 dage
(1 bedømmelse)

Hi there, I am a Data Scientist and am a professional responsible for extracting actionable insights and knowledge from large volumes of Cisco Network engineers. I'm a highly skilled administrative professional with a Flere

$500 USD in 7 dage
(0 bedømmelser)

Good day! With expertise in network engineering, Linux systems, and Cisco technologies, I offer a comprehensive solution tailored to your ISP requirements. My proposal includes detailed recommendations for network equi Flere

$500 USD in 7 dage
(0 bedømmelser)

As an experienced network engineer and consultant with a strong background in Computer and Internet Security, I have tackled similar projects across my illustrious 10+ year career. Even though my skills may not exactly Flere

$500 USD in 7 dage
(0 bedømmelser)

As an accomplished software specialist for over 6 years in the IT industry, I firmly believe my skillset aligns perfectly with the unique demands of your ISP development project. With a deep understanding of computer a Flere

$500 USD in 7 dage
(0 bedømmelser)

I have been working on Networking industry for last 16 years. I have good hand on experience on Migrations. Last 3 I am actively working on Fortigates migrations and SDWAN

$500 USD in 7 dage
(0 bedømmelser)

With over 5 years of experience in a vast array of key technologies including, but not limited to, network engineering, Android, Iphone, mobile applications, PHP, AJAX and many more required for your project I am confi Flere

$500 USD in 7 dage
(0 bedømmelser)

With a decade of experience as a software developer and proficiency in computer and internet security, I believe I'm an excellent fit for your Scalable Network Engineering project. Over the years, my work has involved Flere

$700 USD in 7 dage
(0 bedømmelser)