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1、XX通讯中小企业网解决方案一、XX绘制网络蓝图，企业演绎精彩应用中小企业信息化是指在企业经营管理的各个活动环节中，充分利用现代信息技术建立信息网络系统，使企业的信息流、资金流、物流、工作流集成和整合，不断提高企业管理的效率和水平，实现资源的优化配置，进而提高企业经济效益和竞争能力的过程。 中小企业信息化的内容主要有：（1）、企业网络建设（Network）。包括局域网和internet接入，规模大的还有广域网建设；（2）、企业的办公自动化（OA）。主要是利用电子文档尽可能地实现无纸办公，加快企业内部的办事效率；（3）、各部门或单位的管理信息系统（MIS）。典型的有销售部门的购销存系统，人事部门的
2、员工档案管理，财务部门的财务软件等；（4）、为加强各部门和单位协作，整合企业资源，还有企业资源计划管理（ERP），供应链管理（SCM），客户关系管理（CRM）；（5）、企业网站建设。利用网站宣传企业及企业产品；利用网站实现企业员工的远程办公或移动办公；利用网站可以更好的和合作伙伴沟通，和客户沟通，从而实现电子商务。二、XX通讯中型企业网络解决方案中型企业特点是跨地域的分支机构较多，各部门业务不一，对网络功能要求也不一。综合来讲，需要满足以下信息化的要求。建立自动化办公系统，实现无纸化办公建立内部邮件等系统，实现通知、文件、信函快速传递建立数据库检索系统，实现数据、资源共享能接入Internet
3、，上网的同时还要保证企业内部网络的安全和合作伙伴一起构建Intranet，实现部分资源共享在构建中型企业网络时，一个主要的部分就是构建企业广域网完成企业总部与各分支机构间的互连、互通。XX全系列路由器产品可全面满足企业广域网的建设需求。XX系列路由器可根据用户组网需要选配接口模块，提供灵活的解决方案，可以满足以太网、POS、SDH、DDN、PSTN等各种组网需求，并均可提供VPN功能满足企业以低成本构建虚拟企业专网的需求。1、广域网建设思路：对于中型企业总部可采用XX高端汇聚路由器ZXR10 T64E/GER/G72，以充分满足企业总部的高性能、高可靠性的需求；企业分支机构，可采用XX中端接入
4、路由器ZXR10 G72/G36/G26实现接入企业总部的功能；对于小型企业分支机构或办事处，可采用XX低端路由器ZXR10 G26/G18完成接入功能。2、局域网建设思路：企业局域网核心交换机可选用XX的大容量三层交换机ZXR10 T64G，对于较小的局域网也可采用ZXR10 3952/3928三层交换机。楼层交换机可选用XX的ZXR10 2826S等型号的以太网交换机。三、小型企业网解决方案1、核心网设计思路：核心层主要实现大容量的数据交换，保证整个网络的冗余能力、可靠性和高速传输。推荐采用XX的ZXR10 T64G/3906路由交换机。2、网络汇聚层建设思路：汇聚层主要完成以下功能：连接
5、企业各部门、远程分公司的接入、完成本区域内的数据交换和路由功能、为接入层提供高速可靠的传输链路、实现对相应用户的认证、管理和计费。推荐采用XX的较大容量的路由交换机ZXR10 3952/3928或GAR36/26系列路由器。3、网络接入层建设思路：接入层主要完成以下功能：多模式的宽带接入（有线、无线）、可以提供本地信息点的数据交换、可以提供VLAN划分功能、实现对于组播功能的支持。对于有线接入，接入层以太网交换机可以采用XX的24口的二层交换机ZXR10 2826S或16口二层交换机ZXR10 2618；无法实施线路部署的地方可采用XX的无线局域网产品传统的小型企业网络一般采用有线局域网方式构
6、建，二三层交换机是主要的网络设备。WLAN技术的出现，使得构建小型企业网的技术有了更多灵活的选择。XX通讯除了提供传统的有线方式解决方案外，同时还提供WLAN方案解决企业布线困扰和移动办公的问题。WLAN方案特点：1、工程实施快速，管理维护简单：根据热点建筑物的规模大小，只采用少数几个大功率AP就完成了两栋建筑物的无缝覆盖，与传统的采用有线接入的方案相比，投资少，见效快。2、用户接入灵活：用户在大功率AP的覆盖范围内（最大1200米视距）可随时随地进行宽带数据接入、实现基于WLAN的VOIP话音（VoWLAN）包括可视电话等业务。3、用户只要采用分别支持台式机和笔记本的无线网卡、或持有内置无线
7、网卡的笔记本电脑、PDA等终端即可轻松遨游网络，更主要的是可随时随地移动办公，摆脱线缆的束缚，体验真正的“宽带无极限”。四、三网合一解决方案如何有效降低企业运营成本，是一个企业的生存、发展的基础。而降低成本，无非是减少各种开支，如通信支出等。企业利用已有的IP网络，组建企业私有VoIP网络，将大大减少企业长途、传真等通信费用，达到减少通信费用支出的目的。同时支持基于H.323/H.320等的视频业务将企业内部三网合一，建立高效综合服务内部网；另外，可以及时使用网络新技术，促进企业网络更新。XX通讯除数据产品外，还有视讯、语音网关等设备，能提供端到端的语音、数据、视讯三网合一解决方案。企业内部电
8、话长途走自己的数据网，节约费用；组成语音VPN，多种手段保证QoS。企业内部视讯走自己的数据网，节约费用；组成视讯VPN，多种手段保证Qos。XX通讯ZXR10GAR支持H.323技术体制的协议和功能,为用户提供多业务解决方案。GAR通过模拟电话接口、用户环路中继接口和E1语音中继接口，为用户提供电话接入或已有的PBX接入，实现IP电话业务，并保护用户的PSTN的现有投资。GAR也可以实现自交换功能。GARVoIP系统提供三种基本业务，电话到电话（PhonetoPhone）、计算机到电话（PCtoPhone）和计算机到计算机（PCtoPC）。具备以下特性。支持多种编、解码支持静音检测，回声取消
9、，舒适噪音产生等功能防抖动支持QoS支持缩位拨号支持IPFAX支持Radius计费等计费方式五、XX通讯企业网解决方案特点：高性价比：XX通讯全系列数据通讯产品拥有完全的自主知识产权，为中小企业提供多种选择的低成本网络解决方案；业务全面：全面满足数据、IP语音、IP视频业务传送需要，节省运作成本，提高网络平台的利用效率；同时采用先进的QOS技术保证多业务的QOS。扩展性强：XX通讯数据产品不仅在用户板卡上采用模块化设计，重要的核心部件网络处理器也采用模块化设计，提高了系统的整体扩展性，随着用户数的扩大，通过增加NP来提高系统整体性能。路由器基于网络处理器的设计，可以通过升级软件增加新的业务功能
10、，从而快速响应用户的业务需求，适应网络的发展。安全性高：体现在以下几个方面。可以跨公网建立安全的企业专用网络，为企业不同部门建立虚拟专网业务。网络设备支持多级别管理权限，支持RADIUS、TACACS+等认证机制，配置改变的管理记录。支持IPSEC、防火墙等功能。可靠性高：冗余及负载均衡的电源系统。据研究，电源故障在实际系统中导致的系统故障比率高达60%之多。其它关键设备的冗余，如控制模块的冗余。冗余及负载均衡的网络链路。确保不因为单条线路的故障而导致整个网络系统的失效，而且，确保在某条线路故障时对系统性能的影响也能最小。通过高品质产品、冗余网络规划及端到端可管理技术、满足网核心应用安全、稳定
11、运行要求。易于管理：XX公司的统一网管软件ZXNM01拥有中全套数据产品的数据库，能够调出各种产品的直观视图，深入到每个物理端口去查询状态信息，其主要功能包括：自动发现和显示网络的拓扑结构和设备；生成和修改网络设备配置参数；网络状态监控；设备视图管理；界面友好，易于掌握，能够满足企业对网管的功能全面而又要方便操作的要求。总结：企业网络的建设关系到网络时代企业发展的未来，它是今后电子商务的基石。XX通讯提供的全套企业网解决方案，为企业构建、优化网络,提高工作效率和管理水平，加强网络安全，开拓网络营销，拓宽销售渠道，实现电子商务，塑造企业形象。为企业降低运作成本，提高竞争力，实现利润最大化。Edi
12、tors note: Judson Jones is a meteorologist, journalist and photographer. He has freelanced with CNN for four years, covering severe weather from tornadoes to typhoons. Follow him on Twitter: jnjonesjr (CNN) - I will always wonder what it was like to huddle around a shortwave radio and through the cr
13、ackling static from space hear the faint beeps of the worlds first satellite - Sputnik. I also missed watching Neil Armstrong step foot on the moon and the first space shuttle take off for the stars. Those events were way before my time.As a kid, I was fascinated with what goes on in the sky, and wh
14、en NASA pulled the plug on the shuttle program I was heartbroken. Yet the privatized space race has renewed my childhood dreams to reach for the stars.As a meteorologist, Ive still seen many important weather and space events, but right now, if you were sitting next to me, youd hear my foot tapping
15、rapidly under my desk. Im anxious for the next one: a space capsule hanging from a crane in the New Mexico desert.Its like the set for a George Lucas movie floating to the edge of space.You and I will have the chance to watch a man take a leap into an unimaginable free fall from the edge of space -
16、live.The (lack of) air up there Watch man jump from 96,000 feet Tuesday, I sat at work glued to the live stream of the Red Bull Stratos Mission. I watched the balloons positioned at different altitudes in the sky to test the winds, knowing that if they would just line up in a vertical straight line
17、we would be go for launch.I feel this mission was created for me because I am also a journalist and a photographer, but above all I live for taking a leap of faith - the feeling of pushing the envelope into uncharted territory.The guy who is going to do this, Felix Baumgartner, must have that same f
18、eeling, at a level I will never reach. However, it did not stop me from feeling his pain when a gust of swirling wind kicked up and twisted the partially filled balloon that would take him to the upper end of our atmosphere. As soon as the 40-acre balloon, with skin no thicker than a dry cleaning ba
19、g, scraped the ground I knew it was over.How claustrophobia almost grounded supersonic skydiverWith each twist, you could see the wrinkles of disappointment on the face of the current record holder and capcom (capsule communications), Col. Joe Kittinger. He hung his head low in mission control as he
20、 told Baumgartner the disappointing news: Mission aborted.The supersonic descent could happen as early as Sunday.The weather plays an important role in this mission. Starting at the ground, conditions have to be very calm - winds less than 2 mph, with no precipitation or humidity and limited cloud c
21、over. The balloon, with capsule attached, will move through the lower level of the atmosphere (the troposphere) where our day-to-day weather lives. It will climb higher than the tip of Mount Everest (5.5 miles/8.85 kilometers), drifting even higher than the cruising altitude of commercial airliners
22、(5.6 miles/9.17 kilometers) and into the stratosphere. As he crosses the boundary layer (called the tropopause), he can expect a lot of turbulence.The balloon will slowly drift to the edge of space at 120,000 feet (22.7 miles/36.53 kilometers). Here, Fearless Felix will unclip. He will roll back the
23、 door.Then, I would assume, he will slowly step out onto something resembling an Olympic diving platform.Below, the Earth becomes the concrete bottom of a swimming pool that he wants to land on, but not too hard. Still, hell be traveling fast, so despite the distance, it will not be like diving into
24、 the deep end of a pool. It will be like he is diving into the shallow end.Skydiver preps for the big jumpWhen he jumps, he is expected to reach the speed of sound - 690 mph (1,110 kph) - in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dens
25、e air closer to Earth. But this will not be enough to stop him completely.If he goes too fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes its not needed. Instead, he plans to deploy his 270-square-foot (25-square-meter) main chute a
26、t an altitude of around 5,000 feet (1,524 meters).In order to deploy this chute successfully, he will have to slow to 172 mph (277 kph). He will have a reserve parachute that will open automatically if he loses consciousness at mach speeds.Even if everything goes as planned, it wont. Baumgartner sti
27、ll will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters).It might not be the moon, but Kittinger free fell from 102,800 feet in 1960 - at the dawn of an infamous space race that captured the hearts of many. Baumgartner will attempt to break that record, a feat that boggles the mind. This is one of those monumental moments I will always remember, because there is no way Id miss this.
