​O365 Global Access and Cross border Bandwidth Planning??? Solution//Global IPLC service provider of

O365 Global Access and Cross border Bandwidth Planning??? Solution//Global IPLC service provider of Shigeng Communication

一、Microsoft 365 (formerly Office 365) has become the core productivity platform for global enterprises, but its performance is highly dependent on network quality. When enterprises operate across borders, users often encounter problems such as slow page loading, Teams meeting lag, and file synchronization failure.

According to Microsoft's official data, more than 60% of Chinese enterprises visiting global tenants experienced a serious decline due to cross-border congestion of the public Internet. These performance bottlenecks directly translate into productivity losses - stagnant email progress bars, critical file transfer timeouts, and frequent interruptions in cross-border video conferences become daily pain points

Root cause of the problem: performance killer of cross-border access

Network latency and packet loss: The one-way delay from Beijing to the East Coast server often exceeds 200ms, and the measured delay of 122ms in Teams calls is approaching the acceptable threshold edge. When the public Internet is transmitted across borders, the packet loss rate in the 100 packet test can reach more than 5%, resulting in the complete unavailability of real-time collaborative applications

Bandwidth competition and congestion: Non critical traffic (such as Windows updates and cloud backups) is squeezing the bandwidth required by Office 365. Microsoft suggests reserving an additional 20% bandwidth to ensure stable operation of O365, but most enterprise network planning does not follow this standard

Low protocol efficiency: Traditional TCP experiences a sharp drop in efficiency during long-distance transmission. A single packet loss in a cross ocean link can trigger a retransmission wait of several seconds, leading to an exponential increase in the upload time of large OneDrive files

Architectural design flaw: Branch offices bypass the headquarters to access cloud services, adding unnecessary relay points. A manufacturing enterprise's Asia Pacific user accessing Singapore O365 requires transit through its European headquarters, resulting in a delay that has worsened from 50ms to 400ms+

Core Solution: SD-WAN Refactoring Global Network Architecture

SD-WAN technology is replacing traditional MPLS as the preferred solution for cross-border O365 acceleration. Its core value lies in building an application aware global dedicated backbone network, breaking through performance bottlenecks through multiple technologies:

Intelligent path selection

SD-WAN equipment monitors multiple links (MPLS, Internet LTE）， Dynamically route O365 traffic to the optimal path. The actual measurement shows that when the packet loss rate of the public Internet exceeds 3%, the system automatically switches to the dedicated channel, and the team conference delay is stable below 100ms, 22 ms less than before optimization

Backbone Network Optimization Hub (POP)

Global distributed POP nodes form the cornerstone of acceleration.

When Chinese enterprises access O365, their traffic is connected to the nearest Shanghai/Hong Kong POP

Connect directly to Microsoft's global entry points through low latency private backbone networks (such as Aryaka's 30ms latency guarantee)

Avoid cross-border congestion points of public Internet

Deep optimization of protocol layer

TCP acceleration: By expanding the window size, selective acknowledgment (SACK), and forward error correction (FEC) techniques, the efficiency of cross Pacific transmission is increased by three times. Test shows that the upload time for 10MB files has been reduced from 48 seconds to 16.89 seconds

Data reduction: Aryaka's compression and data deduplication technology reduces up to 89% of the transmitted data volume, avoiding the need for bandwidth upgrades

Application level QoS: Assign the highest priority to Teams audio and video, ensuring the key indicators of<150ms latency and<1% packet loss rate required

Panorama of Enterprise Deployment Plan

1. Hybrid key component: SD-WAN edge devices (CPE) deployed in various office locations, establishing a secure tunnel to POP

Cost optimization: divert 95% of O365 traffic to the Internet. Only key services retain MPLS, reducing bandwidth costs by 40-70%

2. FHIR Fusion Architecture

Dedicated line direct connection: establish a private connection through Azure ExpressRoute to bypass the public Internet

Hybrid deployment: Aryaka and other vendors integrate FHIR to provide Microsoft 365 cloud connectivity on private networks

Applicable scenarios: Industries such as finance and healthcare that require extremely high levels of security and compliance

3. Terminal optimization strategy

Client configuration: Force the "traffic shaping" option in Teams to restrict non critical backend transmission

Local diversion: Configure OneCache to implement local caching of Office update content, reducing cross-border traffic

Bandwidth reservation: Reserve the minimum guaranteed bandwidth for O365 at the exit router (e.g. 30% of the total bandwidth)

Implementing benefits and quantitative indicators

After deploying professional acceleration solutions, enterprises can achieve significant performance improvements:

Delay optimization: The O365 access delay from Hong Kong to North America has been reduced from 218ms to 89ms, a decrease of 59%

Stability improvement: TCP connection test pass rate increases from 67% to 100%, packet loss rate approaches 0

Cost savings: Compared to MPLS dedicated lines, SD-WAN solutions reduce bandwidth costs by 40-60% and shorten deployment cycles from months to days

Microsoft Azure's global infrastructure covers over 140 countries, but physical distance does not equal digital experience. When the finance team in London and the R&D center in Shanghai finalized key solutions through a smooth Teams meeting, optimized bandwidth planning has become a more important productivity factor than software licenses.

Enterprise network teams need to go beyond the "connectivity" mindset and transform towards an "experience centric" approach - this is not only a technological upgrade, but also a reconstruction of the global collaboration model

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: