​Breaking through overseas network restrictions: WebEx conference dedicated line solution??? Solutio

Breaking through overseas network restrictions: WebEx conference dedicated line solution??? Solution//Global IPLC service provider of Shigeng Communication

一、For multinational corporations, a smooth, high-definition, and uninterrupted WebEx video conference is the lifeline that supports global decision-making, project collaboration, and customer service. However, when conference signals need to cross national borders and complex and uncontrollable public Internet, frequent stuck, mosaic images and connection timeouts become the norm. This is not just a technical issue, but also a core bottleneck that directly affects the efficiency of global operations for enterprises.

This article will delve into the core challenges of accessing WebEx conferences overseas and systematically introduce two enterprise level dedicated line solutions provided by Cisco - WebEx Edge Connect and Virtual Connect. They aim to build a "dedicated highway" for enterprises to access WebEx cloud services, fundamentally ensuring an excellent experience for global conferences.

1. Core challenge: Why are overseas WebEx conferences always "powerless"?

The experience bottleneck of overseas access to WebEx is rooted in the irreconcilable contradiction between the "genetic defect" of the public Internet and the real-time requirements of video conferencing.

Uncontrollable network paths and 'late night rush hour congestion': Data packets traveling from overseas branches to the nearest WebEx data center need to pass through multiple networks of different national operators. The path is unpredictable, and congestion at any node (like the "late peak" of a network) can lead to high latency and packet loss rates. For real-time audio and video, even a 1% packet loss is enough to cause serious lag and unsynchronized audio and video

Security policies and protocol limitations: Although enterprise firewalls and complex network proxy policies ensure security, they may inadvertently block or interfere with WebEx's media streams. For example, WebEx prioritizes using UDP port 9000 to transmit audio and video media streams in order to achieve the lowest latency. If the port is restricted, the system will automatically downgrade to TCP, resulting in increased latency and jitter due to retransmission mechanisms, significantly affecting the user experience-

Quality of service (QoS) cannot be guaranteed: on the public Internet, all traffic "competes equally". The critical meeting traffic of enterprises cannot be prioritized over background applications such as web browsing and file downloads, resulting in a decline in meeting quality when bandwidth is tight.

These challenges work together to make it impossible to cure the problem solely by optimizing local bandwidth or adjusting simple settings. Enterprises need a network connection solution that can bypass the public Internet and provide deterministic quality assurance.

2. Dedicated line solution: Two "dedicated lanes" provided by WebEx official

To address the above challenges, Cisco provides two different levels of dedicated line access solutions for enterprise customers. The following table clearly compares their core characteristics:

Feature dimension WebEx Edge Connect (preferred enterprise solution) Virtual Connect (economically flexible solution)

The core principle is private network peer-to-peer connection. Through cloud exchange providers such as Equinix or Megaport, the enterprise network is directly and physically connected to the WebEx global backbone network, completely bypassing the public Internet-

An encrypted IPsec VPN tunnel. On the public Internet, an encrypted point-to-point tunnel is established to connect to the WebEx cloud, which is an "Over the Top" virtual private line-

The connection quality is extremely high. Provide guaranteed bandwidth and significantly reduce latency, packet loss, and jitter. Experience close to the internal network. Depends on the quality of the public network. Although encrypted and secure, the underlying layer is still the public network and may be affected by its fluctuations.

Performance and scale design for large-scale, high-performance enterprise access, no single tunnel bandwidth hard limit. Each VPN tunnel bandwidth is limited to 250 Mbps, recommended for deployment on smaller scales or non core critical businesses

The deployment complexity and cost are high. Enterprises need to own or lease physical lines to cloud switching nodes and configure BGP routing, which has a long implementation cycle and high cost-

Lower. Using the existing Internet lines and CPE equipment of the enterprise, it can be quickly established through software configuration, with flexible deployment and relatively low cost

Technical requirements: Enterprises need to have a Public Autonomous System Number (ASN), master BGP peer-to-peer knowledge, and have professional IT team support-

Require the enterprise network team to be familiar with site to site IPsec VPN and BGP routing configuration

Applicable scenarios for large multinational corporations, financial institutions, and high-end manufacturing industries that have extreme requirements for conference experience; Enterprises that already have or plan to build a global high-end enterprise network. Medium sized enterprises with few overseas branches or as a temporary supplement to Edge Connect; Projects that require rapid deployment and have limited budget.

Solution 1: WebEx Edge Connect - Building Enterprise level Exclusive Backbone Access

This is a solution recommended by Cisco that can provide the best meeting experience. The design concept is to create a private network directly interconnected with WebEx cloud for enterprises-

Technical architecture: Enterprises rent a physical dedicated line from their own data centers or offices through operators or partners (such as Equinix, Megaport) to connect to global cloud exchange nodes. On this node, establish a Border Gateway Protocol (BGP) peer-to-peer session with WebEx's backbone network router. At this point, all conference traffic sent to WebEx within the enterprise will be routed directly to the destination through this private path-

Ultimate Experience: Completely eliminate public network congestion and interference, provide stable and ultra-low latency conference connections.

Safe and reliable: Private point-to-point connection, no need to expose services to the public network, higher security.

Predictability: The guaranteed bandwidth enables IT departments to accurately plan network resources to meet the needs of large-scale international summits.

Option 2: Virtual Connect - Quickly Build a Secure Virtual Tunnel

For enterprises that have not yet invested or do not need to invest in physical dedicated lines, Virtual Connect provides a fast track solution based on IPsec VPN

Technical architecture: Enterprises establish two GRE tunnels protected by IPsec encryption between local network devices (such as firewalls) and two data centers designated by WebEx, achieving redundancy. Exchange routing information through BGP protocol to guide conference traffic into the tunnel.

Core values:

Agile deployment: using the existing Internet lines, the deployment can be completed in a few days to quickly solve urgent problems.

Controllable cost: no high monthly physical leased line rent is required, and the main costs are software licensing and Internet bandwidth.

Basic guarantee: Compared to pure public networks, it provides encrypted and deterministic traffic paths, which can improve the experience to a certain extent.

3. Implementation selection and key decision recommendations

The choice of solution depends on the business needs, technical capabilities, and IT budget of the enterprise.

Large corporations pursuing a "ceiling" level experience should prioritize evaluating WebEx Edge Connect. Especially when enterprises are already using cloud exchange services such as Equinix, adding this solution can achieve maximum value. Enterprises need to prepare public IP address ranges and BGP AS numbers in advance, and form or commission teams with advanced network knowledge to implement them-

For medium-sized enterprises that hope for rapid improvement and are cost sensitive, Virtual Connect is a more suitable starting point. It can serve as the first step in verifying the value of dedicated lines and smoothly upgrade to Edge Connect in the future. The focus of implementation is to ensure the performance and stability of enterprise export equipment to carry encrypted tunnel traffic-

General prerequisite steps: Regardless of the chosen solution, the enterprise firewall should be configured correctly according to the official requirements of WebEx before deployment to ensure the release of the required domain names (such as *. webex. com) and critical ports (such as UDP 9000) for WebEx, in order to avoid connection failures due to policy issues even after the dedicated line is established-

Conclusion

The lagging problem of overseas WebEx conferences is essentially a generation gap between the global network infrastructure of enterprises and the demands of the cloud collaboration era. The local optimization of headache treatment cannot cure the root cause. By deploying WebEx Edge Connect or Virtual Connect dedicated solutions, enterprises are essentially restructuring their connection to the global collaborative cloud - upgrading from "bumpy on congested public roads" to "speeding on dedicated lanes that ensure smooth traffic".

二、Shigeng Communication Global Office Network Products:

The global office network product of Shigeng Communication is a high-quality product developed by the company for Chinese and foreign enterprise customers to access the application data transmission internet of overseas enterprises by making full use of its own network coverage and network management advantages.

Features of Global Application Network Products for Multinational Enterprises:

1. Quickly access global Internet cloud platform resources

2. Stable and low latency global cloud based video conferencing

3. Convenient and fast use of Internet resource sharing cloud platform (OA/ERP/cloud storage and other applications

Product tariff: