OAP open business platform makes routing shine

Nowadays, with the continuous development of enterprise information technology, various applications such as voice, video, storage, and security are emerging one after another, which is overwhelming. However, few people know how these applications are coupled with the basic network. Even the network supervisor of a company is confused when Dr. M asks this question.

"Old Wang, do you know how applications such as voice, video, and security are coupled with the network ?" Once, in Dr M's study, Dr M suddenly asked.

"I don't know. It's all about network vendors ." Wang said faintly.

"As a network supervisor, I don't know. Is it too low ?" Dr. M deliberately encouraged him to say.

"Do you know ?" Asked Wang.

"Of course I know !" Dr. M said with a smile.

"Really? Let's talk about it ." Director Wang came to the spirit.

"Tell you, things are not as complicated as you think. Here, the MSR router of Huawei 3Com is an obvious example ." Dr. M said that he made a sip of tea.

"Oh, what do you say ?" Director Wang looked confused.

"MSR integrates routing, switching, security, voice, and open services. Therefore, we know how it integrates these applications. Is the problem solved ?" Asked Dr. M.

"Well, that's right ." Director Wang replied.

"The reason why MSR is able to integrate so many functions is mainly due to the OAP open application platform ." Dr. M said.

"OAP open application platform? Is it complicated ?" Director Wang has some doubts.

"In fact, the OAP open application platform is very simple. To put it bluntly, it is a hardware board with open programming interfaces. It not only provides high-performance CPU, but also provides large-capacity memory, hard disk, CF card, and other devices to output a number of GE interfaces and USB interfaces. However, the magic of this board is that it can include almost all existing application-layer services in the network router ." Dr. M explained.

"A little interesting ." Director Wang added remarks.

"Specifically, although IPS, application acceleration, storage controllers, and other devices in the network are diverse, their internal hardware architecture is actually similar, almost all applications developed on general-purpose hardware and operating system platforms for different scenarios. However, because different manufacturers provide different application layer services and the programming environment and chip models are different, it is easy to cause compatibility problems caused by device heterogeneity. This is exactly the original intention of Huawei 3Com to develop the OAP platform ." Dr. M continued to explain.

"Next ?" Wang asked.

"In fact, the OAP platform has four application scenarios that can be used to implement different network services ." Dr. M started his analysis.

"How is it implemented ?" Asked Wang.

"The first is the host mode. In this mode, the router is the gateway of an independent business system. The OAP system is like a host on the network and has its own IP address, which exists as the network endpoint. Voice Service SERVER, video conferencing MCU, VCX, XE and other business software belong to this business type ." Dr. M explained.

"What about the second one ?" Director Wang continued to ask.

"The second is the image mode. In this mode, the router copies a specific packet to the OAP as required, and the original packet continues to be forwarded normally. The OAP analyzes and processes the received packet, and then discards the packet. Services such as XLOG and IDS belong to this type of business ." Dr. M went on to explain.

"What else ?" Director Wang looks like a pair of experts.

"The third is the redirection mode. In this mode, the router redirects a specific packet to the OAP as required. After the OAP is processed, the router discards or passes. If the packet passes through, the packet is returned to the vro, And the vro continues to process the packet from where it was originally interrupted to complete subsequent forwarding. Services such as content filtering and IPS belong to this type of business ." Dr. M further explained.

"What about the last one ?" Asked Wang.

"The last mode is the penetration mode. In this mode, no IP address is configured for the OAP. Data flows from the GE Interface on the OAP, passes through the OAP, and passes through the internal bus to the route switching component or in the opposite direction. Of course, when the traffic passes, the OAP system will perform relevant record analysis. When necessary, the business system will also modify the packets to complete related functions. Network Optimization and other services belong to this type of business ." After that, Dr. M took a sip of tea.

"It looks really simple !" Director Wang was deeply touched.

"Although it is relatively simple to say, it is still difficult to do it. So MSR is at the forefront of the industry ?" Dr. M said with a smile.

"You are right. Today I learned a lot from you !" Wang said happily.

(T113)