What Technology Should be Valued at the Next Generation Data Center Network

With the continual?expansion of business data center, the most several difficult problems for them are mainly about divided network environments, simple says, separate data network, separate storage network, separate calculation?network, protocols and there are different disadvantages of standards. Different networks need different cards, space, power and cooling infrastructures for their business. Interspersed interlaced network cabling may make many administrators feel dizzy. Aimed at different network environments, the company needs a professional technical team to support, manage, maintenance, these problems all block the forward developments of data center, let alone meet the future of cloud computing.?The figure shows?modern data center.

You may ask, what qualities we are taken for the next generation data center networks? Now we can see the characteristics, such as simplicity, virtualization features, can accommodate the expansion of the size of the data center, support higher bandwidth, low latency, non-blocking and so on. But as for these features, mainstream network equipment vendors aimed the advantages of their products and solutions to this goal, so if there is an architecture able to support these features do? The answer is yes, unified architecture (Unified Fabric), regardless of Cisco UCS. Brocade VCS, juniper3-2-1 plan, H3C's unified fabric, also exist Unified Fabric. This page we just say two points.

The key technology under Unified Architecture (Unified Fabric)

Gigabit Ethernet

With the reduction of gigabyte networks at the server connections, Gigabit Ethernet share is rising, which maily due to the growth in the enterprise data center network traffic.In fact, with the 40G / 100G standard developments, it is sure that Gigabit Ethernet replacing the gigabyte networks, the birth of the Gigabit sfp+ transceiver?standard which has low power, sfp+ direct attach cable?can be achieved in the case of low-cost Gigabit Ethernet. And just mainstream might not be enough, the following what I will be introduced to toward greater success.

FCoE protocol (Fiber Channel over Ethernet)

FCoE is one of the most shining technology data center network currently, any vendors have to talk about the technology of the developments of their products. FCoE refers to the Fiber Channel over Ethernet, it can insert fiber channel information into the Ethernet packet, so that the Fiber Channel storage devices -SAN server requests and data can be transmitted over an Ethernet connection, without the need for a dedicated Fiber Channel fabric . Its main benefits: First, make storage traffic and network traffic share the same Ethernet cable and a fusion of the card, simplifying management and reducing energy consumption. Second, provide the same performance with optics. The third is the ability to integrate effectively existing SAN.

Finally, you know, now i work for Fiberstore and in our website, we can provide the most advanced technology and the most effective way to help you solve the fiber optics problems, and at the same time, we also provide all the fiber optic products, such as 10 100 1000base t ethernet sfp, qsfp 4x10g aoc7m and glc fe 100lx rgd to buy. If you are interested, take a decision for it.

Analyze the Quality of Compatible SFP Optical Transceiver Module

Currently, more and more kinds of fiber optical transceiver module we need for telecommunication networks, requirements are likewise increasing. In order to meet the instant increasing demands of the system, optical module is towards standardization, miniaturization, intelligent development.

SFP transceiver module, which uses digital diagnostic function dell sfp transceivers 1000 sx , it is the manufacturers technical upgrading of iconic products, but the problem is coming, how to choose the SFP optical module? According to the communications research and development department assistant Daniel who has more than 20 years of research experiences conclusions: the strong compatibility of optical module does not represent the quality of the module is better. In order to attract customers' eyes, some manufactures on the network put too much emphasis on how strong the compatibility of optical module, it can compatible with so much famous brands such as cisco sfp h10gb cu1m , Huawei sfp, Finisar sfp?and others, even they launch the perfect optical module who has much functions and strong compatibility, high stability and low cost. Maybe these gimmicks look perfect, but in fact it is a great misunderstanding, because it is a set of contradictory combinations, Multi functional, the price will be relatively high, strong compatibility whom stability will be subject to a certain extent.

For example, universal socket compatible with two flat feet, three feet horizontal, round feet and others, because of its extreme versatility, it is used widely by people. The contact area between the universal hole socket splicing and electrical plug and cause the accident easily by making contact piece is overheating. In June 1, 2010, the new national standard by the State Administration of Quality Supervision and the National Standardization Management Committee jointly issued began to enforce, banned the production of universal hole outlet. Banning the production a few years later is still selling today, 70% of people, including businessmen do not even know already prohibited.

But how to strike a balance between compatibility and good quality? Daniel says, the most important thing of the sfp+ direct attached twinax copper ? is its stability and reliability, the compatibility just for reducing the factory and equipment manufactures'cost, but not both focus on. If you all focus on the compatibility, which inevitably occur SFP optical modules in the course of temperature anomalies, signal loss, signal flashes and other issues, and then affect the normal effect of end users, even damage to the benefits and reputation of equipments manufactures. Related product:?10gbase sr sfp module

Finally maybe there are many people become confused and they do not know where to but these compatible transceiver module, well, Fiberstore will be your choice, it produced compatible transceiver module for many years and all through repeated test, there are few customers reflect the problem, ?it is safe to buy?from Fiberstore.

Discuss QSFP 40G SR4 to 4 SFP 10G SR Transceiver Module

SFP, know and QSFP fiber optic transceiver fiber and module optic cables give people a multitude of high density and low power 4010Gigabit and Gigabit, 1 Gigabit, and 100 Megabit Ethernet connectivity options over fiber or copper media, since we know.

The instance of 40G QSFP transceiver module will result in us to acquire familiarity with it. In 40G QSFP transceiver module data sheet, we can easily realize that about SFP 40G SR4, Cisco thinks, it could be utilized in a 4 x 10 G mode for interoperability with 10Gbase sr interfaces approximately 100m and 150m for OM3 and OM4? If I connect Nexus 55772UP equipped with "six true QSFP ports" to Nexus 7706 using qsfp to sfp+ active cable on the side of 5572UP, and 4 x Cisco SFP 10G SR on the side of 7706, cables respectively, in another word? Somehow, I do believe that this is simply not impossible, but someone thinks that you have fiber optic cables with 40G interface using one side and 4 x 10G SFP (LC connector) on the opposite side. We are able to breakout the one 40G port into 4 seperate 10g uses and ports a QSFP to 4 LC breakout cables to link more than one of 10G ports towards the 7706.

Actually, Cisco sfp 10g aoc3m  supports link lengths of 100m and 150m, respectively, on laser optimized OM3 and OM4 multimode fibers. It primarily enables high bandwidth 40G optical links over 12 fiber parallel fiber terminated with MPO/MTP multiplier connectors. You can be utilized inside a 4 x 10G mode for interoperability with 10Gbase sr interfaces up yo 150m and 100m for OM3 and OM4? Cables, respectively. The worry free 4 x 10G mode operation is enabled with the optimization in the receive and transmit optical sign of the Cisco QSFP 40G SR4 to stop receiver overload or unnecessary triggering of alarm thresholds about the 10Gbase SR receiver, as well being fully interoperable with all of standard 40Gbase sr4 interfaces. 4 x 10G connectivity is performed utilizing an external 12 fiber parallel to 2 fiber duplex breakout cable, which connects the 40GBASE SR4 module to four 10GBASE SR optical interfaces. Cisco QSFP 40G SR4 is optimized to assure interoperability with any IEEE 40GBASE 10GBASE and SR4 SR (in 4 X10G modes).

The transceiver catches up with parallel optical and electric products together with both receiver and transmitter functions being a distinct module. It was designed to be compliant to IEEE 802.3-2012 for 40GBase SR4 over 100 m of OM3 multimode fiber for a price of 41.25 Gbps. This transceiver module is in an option to use four independent 10GBase-SR, IEEE 802.3 Clause 52 Compatible 10 G transceivers using an MPO-to-LC breakout cable (compliant at 100 m 50 plus μm OM3 fiber). The transceiver is also fully compliant together with the sfp h10gb cu1m  specification SFF-8436 shown on the figure.

To aid an effective increasing array of 40 and 10 Gigabit Ethernet applications, Fiberstore offers many transceiver types, each optimized for any different distance and media reach (XSR4, LR4, PLRL4 and SR4CR4, ZR, SR, LRL, ER, SRL, LR and CR and DWDM). Additionally, Fiber SFP ports also support 3 Gigabit Ethernet SFP transceiver types for single mode fiber, multimode fiber, along with Cat 5 copper cables.

Recommendations for High-speed Fiber Optic cable

Recent years, with the developments of 10g transceiver modules, there is a low cost technical solution in the short distance high speed internet connections, it is gigabit high speed cable. These direct attach cables also known as twinax cable, they are different from other common fiber optic cable, whether in the application or their appearances. They increase reliability of short 10 Gigabit network connections. In order to satisfy data meter and high performance computing application needs for a high density cabling interconnect system capable of 10Gb/s per channel transmission rates, （shown as the figure）we can find that they are designed to be fully compatible with optical or electrical connections in the factor of shape and industrial standards, sfp+ dac meet the harshest external operating conditions including temperature, humidity and EMI interference. Here I will introduce several popular SFP cables simply.

First, passive sfp+ cable, standard?sfp+ copper transceiver module?assemblies is offered in different wire gauges (AWG) depending on length. Fiberstore's SFP+ direct attach copper cable assemblies are a high speed, cost effective alternative to fiber optics in 10Gb Ethernet, 8Gb Fibre Channel and InfiniBand applications. SFP+ copper cable assemblies enable hardware OEMs and data center operators to achieve high port density and convertibility at a low cost and reduced power requirement. They are used to low power consumption to assist in making the passive copper cable assembly on economic solution for within rack, or rack to rack applications, but as for the type, i summarised three points:

• Copper typical maximum length recommended at 15 meters
• Various cable lengths are available for all types
• Latch/tab available "on top" or "bottom" position

Except this, the new 3m active optical cable in Fiberstore also widely used, just sfp 10g aoc3m. They are usually for QSFP+ to SFP+ applications compliments, its highlights are that they using industry Using industry leading VCSEL technology, an advanced new light-engine design and bend insensitive multimode fiber, this AOC delivers exceptional cost and performance value for 10 and 40GbE applications at distances of up to 100 meters.

Finally the common sfp+ cable, also the most popular products in our Fiberstore, Cisco Compatible SFP+ Twinax Copper Cables, sfp+ direct attached twinax copper?(DAC’s) are programmed specifically to work with Cisco equipment. When these cables are plugged into Cisco equipment they will not trigger the error message that a non-Cisco transceiver has been detected. These cables do not violate Cisco's warranty. Well, i just think it is quite important for users. So you can buy it safety from Fiberstore.

Address Common Questions When Using the Compatible Devices

When we begin to come into compatible products industry, there is always a problem that confused us, we are not sure if a device can be compatible with another device in different brands, even after they connected, did not know what would happen, well, this page I will explain the problem with the actual example.

For example, we need to connect Dell M6330 blades switches to a HP 2910al by fiber sfp+ over sr (50/125 um OM3 fiber from tyco). Then i ordered the SFP+ module for the 2910al (J9008A), two transceiver modules for the DEll switches (one each) and 4 x Dell sfp h10gb cu1m  LC LC transceiver. And if all the connection between the M6220 done well, but when i plug the Dell transceiver into the switch there is no link up, what it means that if the HP switch refused to work with the Dell transceivers, but there is no event log notice of incompatibility, Then the questions is, if i can connect the HP switches to Dell by SFP+, or do you know if using non-HP brand SFP+ transceivers will work with the HP transceiver?

Well, in this issue, If you are indeed using optical transceivers in the switches, then no switch has any idea about what transceivers are in any other switch. Switches only know about the directly connected (plugged-in) transceivers. Now, as for the transceivers themselves. The J9008A is simply an expansion module. HP ProCurve switches will not accept non-HP ProCurve transceivers. So, if you have been trying to use the sfp h10gb cu2m /SFP+ transceivers with the HP 2910al, that would be your problem. You are required to obtain HP ProCurve transceivers and use those.

In general, we have to say that HP switches do not accept non-hp transceivers, such as Cisco, Dell, Juniper, Netgear and so on...You can't plug a Dell transceiver in a ProCurve switch and expect it to work. Although there is a MSA (Multi Source Agreement) for sfp+ direct attached twinax copper , in practice HP switches do not accept non-HP transceivers. Cisco equipment also can only utilize the Cisco SFP module and other brand module or equipment is not supported. If you just plug in the other module, Cisco port information will be displayed on the Unsupport or unknown. In simple terms, as for the unknown GBIC, Cisco device does not provide any warranty. In a word, when we choose the device, we just have to choose the same brands products, compatible products also can be used. Above the Figure shows that the popular compatible module in our Fiberstore.

About Cisco Products in Connectivity Regarding Devices

Recently I have seen a problem from a net friend, I just think it is meaningful to discuss with you and specific situation is like this. He introduced a question for debate that "how many such module can be added and these are hot swappable when using Cisco 6509 and need to add another 4-Port 10 Gigabit Ethernet (Fiber) Module". As for the question, I gave the following solution.

Well, I assumed that the type is agm731f 1000base sx sfp module , as far as i know, there are no limitation on how many of fiber transceiver modules you can have other than the obvious one of free slots being available in the chassis. Is there any limitation you think? It sounds like that you already have some of these transceiver modules in the chassis. If you have not, you will need to be aware of which supervisors and which IOS versions are needed to support the transceiver module. Transceiver modules should be hot swappable, just SFP and this is one of the benefits of modular switches.

But we also have to think that idea that there is any limitation on Cisco Router WAN slots, just if you have an idea that handing off sfp+ direct attached twinax copper, and i am also wondering that if if 10gbase-lr sfp is compatible or I need another type of sfp+ transceiver . Another point that i have to point that instead of using multiple 4 port cards, I would use 8 or 16 ports modules, it should be up to seven with dual sups or up to eight with single sup. The reason for this being is that the X6704 does not support VSS. So if one day you decided to upgrade to VSS, you cannot use the x6704 for your VSL link vs with the other modules you are good to go. BTW, if you're about load up a 6509 with that many 10g cards, you may want to insure some or all have DFCs. If you do utilize DFCs, don't forget possible issues when matching them to sup. If you need even more 10g ports, there also the 6708 and 6716 line cards for sup720s, but if you have a sup2T, there's also the 6816 and 6908.

Finally, the fact is that We Fiberstore has a professional teams to help you to solve the tech problems about fiber optics, and at the same time our website also can supply related fiber optical products, we have reasonable fiber optic price and high quality item, not only compatible cisco device, but also finisar, juniper, hp, netgear, dell and so on. The different types of unique brand all exsit, such as cisco sfp h10gb cu1m , dell 1000base t sfp 310 7225, hp j4858c, juniper sfp 1000base t are all in hot sales. You can take action on it.

IBM Program Marketing RackSwitch G8052

c7m

This change can be a best-of-Holder move made for a detail centre.It blends fantastic functionality,host-like air flow for calming down, and reduced-potential ingestion inside a virutalization-completely ready bundle.

The RackSwitch G8052 is really a best-of -Holder details move that gives unrivaled collection-price level 2/3 overall performance with an appealing cast.They have cisco sfp to rj45  and a number of 10 Gigabit Ethernet SFP plug-ins,and consist of very hot-exchange unnecessary strength fans and supplies common,decrease design needs.Contrary to most carry devices that cool down from part to deal with, the Rackstitch G8052 has back-to -front side or entrance -to -back and air flow that suits web server air flow.

For 10Gb uplinks,you will discover a range of possibly SFP transceivers for much longer distance or maybe more inexpensive and reduce and minimize-potential-ingesting alternatives like SFP primary-linked wires (direct attach cable 10gbe),which is often 1-7 m in size and are fantastic for attaching to another one leading-of -carrier swap,and even linking to a adjoining carrier.

The book in the movement has 14 SFP unit plug-ins as well as two QSFP element plug-ins.The QSFP plug-in allows you to offer possibly pull 40Gb uplinks or 8-10 10 Gigabytes plug-ins, employing one of several backed qsfp 4x10g aoc7m  connections.This cable television splits just one 40 gigabytes QSFP harbours right into a 4 SFP 10 Gigabytes plug-ins.