Salesforce's slow access speed and unstable connection in China: achieving efficient access??? Solut

Salesforce's slow access speed and unstable connection in China: achieving efficient access??? Solution//Global IPLC service provider of Shigeng Communication

一、In the context of global operations and digital transformation, SAP system has become the "central nervous system" for the core business operation of enterprises. However, when the user clicks a button and the interface becomes stuck in a long wait or critical reports take several minutes to load, network latency issues escalate from technical pain points to business bottlenecks. This article will delve into the impact mechanism of internal and external network configurations on SAP performance, and provide a complete optimization framework.

1. SAP network latency: a hidden killer of business efficiency

Multinational corporations often face such challenges: after deploying SAP servers at their domestic headquarters, overseas branches and mobile users may experience long waiting times, operation timeouts, or even connection interruptions when accessing. For example, after a glass manufacturing group promoted SAP in 12 subsidiaries, employees frequently encountered dual problems of operational lag and video conferencing mosaic, which were rooted in bandwidth competition and transmission packet loss in the wide area network link. Similarly, when a multinational enterprise employee accesses the headquarters SAP, the login time can reach up to 7 minutes, resulting in high latency and packet loss rate, which directly leads to a sharp drop in collaboration efficiency.

2. Internal network configuration: the first line of defense for performance optimization

1. Server network architecture design

Network card configuration and virtualization traps: If SAP servers use virtual machine bridging mode, a fixed IP address needs to be assigned to each virtual machine. In practice, there are common cases where external network access is interrupted due to virtual machine "hanging". In this case, simply disable and re enable the physical network card to restore it.

Balancing routing security and efficiency: When constructing secure jump paths using SAP Router software, the use of wildcard characters (*) may be convenient, but it also introduces risks. The best practice is to precisely define the source IP, destination IP, and service port (3200-3299) in the saproutab configuration file.

2. Session and resource management

Enhanced connection stability: In response to the issue of SAP Router being idle and disconnected for a long time, the connection can be maintained by triggering session keep alive programs (such as Z_SX reports) at regular intervals. The program sends heartbeat requests every 5 seconds, but a 6-hour timeout mechanism needs to be set to avoid server resource depletion.

Resource occupancy control: On the basis of restricting duplicate logins with the login/serverless logon-striction parameter, dynamic memory allocation is implemented through enhanced code: when the user session memory exceeds the threshold (such as the ABAP/heap-area_dia setting), the system automatically blocks the execution of new transactions.

3. External network challenge: crossing the performance gap across geographical distances

1. Analysis of transmission bottlenecks in wide area networks

The performance of SAP components in local area networks (LAN) and wide area networks (WAN) is vastly different:

Delay sensitive operation: In simulating the link from India to Silicon Valley (delay of 350ms+packet loss rate of 1%), it takes nearly 5 minutes to open 10000 rows of SAP BusinessObjects reports.

Bandwidth consumption phenomenon: Unoptimized SAP BusinessObjects Enterprise can consume 97% of the 1.5Mbps link bandwidth with a single login for 300 concurrent users.

2. Cross regional replication network design

SAP HANA system replication imposes strict requirements on the network:

Synchronization mode selection: SYNC/SYNCMEM mode is used when the distance between two data centers is less than 100km; >Switch to ASYNC mode and enable TCP window adjustment at 100km.

Bandwidth calculation formula:

Total bandwidth=initial data transmission demand/acceptable time+daily log volume/24 hours+Δ data snapshot volume/incremental cycle

By executing the HANA_Replican_SystemReplican_Sandwidth script in SAP Note 1969700, key parameters such as PERSISTENE-GB (data size) and LOG_SIZE-GB (log generation volume) can be accurately obtained.

Table: Comparison of SAP Component Network Requirement Characteristics

Component Type Delay Sensitivity Bandwidth Requirement Example Optimization Techniques

SAP GUI high (<200ms) 50Kbps/user data compression

BusinessObjects extremely high (<100ms) 2-5MB/10000 line report byte cache

HANA system replication extreme (<10ms) 1Gbps/TB data log compression

4. Performance Optimization Techniques and Architecture Practice

1. Implementation of Wide Area Network Acceleration Technology

Protocol optimization and caching mechanism: Blue Coat Proxy SG combines target caching, protocol optimization, and bandwidth management to increase SAP BusinessObjects response speed by 90 times, reducing login time from India to Silicon Valley from 7 minutes to 8 seconds.

Intelligent traffic scheduling: SD-WAN technology allows branch offices to access SAP through nearby POP nodes. After multinational enterprises deploy vCPE devices, the latency of mobile users accessing SAP is reduced by more than 50%.

2. Application layer acceleration strategy

Data compression technology: Enabling enablew_compression and enable_data_compress in SAP HANA asynchronous replication can reduce network transmission by 40% -70%.

Bandwidth guarantee mechanism: Deeply convinced that the WOC solution provides dual channel support for SAP and video conferencing for Huaxing Glass, and dynamically allocates bandwidth based on a user application time three-dimensional strategy, completely solving the problem of P2P squeezing critical business bandwidth.

5. From network operation and maintenance to business service management

Traditional device monitoring, such as SNMP polling, is difficult to locate the root cause of SAP performance issues. Modern IT operations require:

Building a business view: Mapping SAP business flows with underlying networks, servers, and storage associations, for example, the Mocha BSM system visually displays SAP service health through a service topology diagram.

Introducing SLA quantification mechanism: defining indicators such as online time ratio>99.95% and average time to failure recovery<15 minutes, combined with Juniper WX/DX platform to achieve a 50% reduction in server CPU consumption while ensuring a 99% improvement in SAP response speed.

Conclusion: The Three Pillars of Building a High Performance SAP Network

Optimizing SAP network performance requires a "trinity" collaboration: first, fine tune internal network configuration (routing strategy/session management), then deploy wide area network acceleration technology (SD-WAN/protocol optimization) to overcome geographical limitations, and finally establish a business oriented operation and maintenance system to achieve proactive governance. Only by connecting the entire chain from data packets to business flows can the SAP system truly realize its "digital core" value in global operations. As the CIO of a glass company said, "When SAP operation response drops from minutes to seconds, it not only changes efficiency, but also the genes of enterprise collaboration.

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