Rucktionary

802.11ac vs. 802.11n

一般网络技术

含义:

802.11 is a family of wireless standards created by the Institute of Electrical and Electronics Engineers (IEEE). 802.11n is the older version of Wi-Fi, launched in 2009. It improved over previous versions of Wi-Fi with multiple radios, advanced transmit and receive techniques, and the option to use 5 GHz spectrum-all of which translate to a data rate of up to 600 Mbps.

802.11ac 于 2014 年推出,是最新的一代。 It adds wider channels and the ability to utilize up to eight data streams ("spatial streams") with downlink using multi-user multiple input, multiple output (MU-MIMO) techniques for simultaneous transmission on up to four devices.这些是在之前的标准上进行的更改,产生的最大数据传输速率可超过 3 Gbps,并且在未来甚至会更高。它还专门在更清洁、能力丰富的 5 GHz 频段操作。

为何值得关注:

较早的 802.11n 技术现在被广泛部署,并且仍然在许多应用中发挥良好的作用。 But if you're deploying wireless infrastructure today, especially in a new, "green field" deployment, 802.11ac is the way to go.您可能听说过真实世界的 802.11ac 吞吐量增益没有达到预期的一些牢骚。对早期产品而言有时确实如此。 But the second generation of 802.11ac-known as "Wave 2"-delivers major advantages over 802.11n, with room to grow.但是,为了最大限度地使用 802.11ac,您需要通过坚实的无线基本面、周到的射频设计和非常好的天线构建解决方案。

Related Products and Solutions

802.11ac Wave 2

一般网络技术

含义:

802.11ac Wave 2 是最新 Wi-Fi 标准的最新版本。它在第一代 802.11ac 技术的基础上构建,可提供更快的数据传输速率以及一次同时与四个不同客户端(而非一个)同时进行通信的功能。

为何值得关注:

自 2015 年技术面世以来,802.11ac Wave 2 已经成为首选的 Wi-Fi 技术,推出后的两年内实现了两位数的增长。由于无线网速与有线网速不相上下,甚至更快,许多公司现在将其用作连接 LAN 的主要方式。

Ruckus got in early on the 802.11ac game, offering one of the leading Wave 2 access points and the industry's first commercially available Wave 2 outdoor access point.今天,我们可以提供市面上最为全面的 Wave 2 产品组合。 By combining Wave 2 capacity with our technology breakthroughs in Smart Wi-Fi intelligence and antenna design, we're making the dream of super-fast 802.11ac a reality in thousands of locations worldwide.

802.11ax 

一般网络技术

含义:

802.11Ax 是最新的 Wi-Fi IEEE 无线网络标准。这一全新标准在多个方面都取得了重大进展。  It expands the multiple input, multiple output (MU-MIMO) techniques to transmit simultaneously on up to eight streams compared to four streams on 802.11ac Wave 2. Furthermore, it piggybacks on MU-MIMO with Orthogonal Frequency Division Multiple Access (OFDMA) technology allowing each MU-MIMO stream to be split into four additional streams, boosting effective average throughput per user by four times.

通过 1024-QAM 引入全新的调制方式和编码集,允许每个数据包传输更多的数据,从而提高吞吐量。它还提高了整体物理和 MAC 层的效率,还可以改善电池的功率管理。

If earlier standard was like a long line of customers waiting in a grocery store for one cashier, MU-MIMO expanded it to four cashiers serving four lines of customers in 802.11ac. 802.11ax expanded it further to eight cashiers serving eight lines of customers.有了 OFDMA,现在收银员可以在顾客空闲时同时处理多个顾客。试想一下,如果第一个顾客决定快速跑回去取东西,收银员就可以为下一个顾客提供服务。

为何值得关注:

Wi-Fi is now being deployed at crowded stadiums or busy airports with hundreds of thousands of devices fighting for bandwidth which the current 802.11ac standard has challenges in supporting. 802.11ax increase the average throughput per user by 4x in high-density scenarios.

The newest standard combined with Ruckus’ Ultra-High-Density Technology Suite will empower you to deliver the best end-user experience.

通话时间缓堵

性能优化

含义:

接入点和客户端会不断地交换管理封包,以保持连接。通话时间缓堵是 Ruckus 研发的一项可以在超高密度环境中限制接入点与客户端之间进行管理封包交换的技术。

为何值得关注:

在超高密度的 Wi-Fi 环境中,管理流量过多会使可用的 Wi-Fi 频谱趋于饱和。这将导致连接不良和单个客户端吞吐量降低,最终导致客户端体验变差。

接入点可以通过通话时间缓堵技术有选择地响应客户端,可以极大地提高总体网络效率,提高通话时间利用率,从而获得更好的用户体验。

Related Products and Solutions

无线资源占用时长公平性

性能优化

含义:

Airtime fairness is a feature on Ruckus APs that ensures all connected clients get the same amount of airtime, regardless of each device’s theoretical data rate.

为何值得关注:

Ever been in a conference room and noticed your wireless device isn't performing as it should? 这种情况发生在混合环境中,其中,一些设备使用较旧的无线技术,或者一些客户端比其他客户端要远得多。就像老师发放零食,接入点会平等地分享自己的容量,让每个设备轮流下载相同数量的数据包。 If your colleague's ancient laptop, or a tablet connected down the hall, takes a lot longer to download them, you'll feel that delay-and so will everyone else connected to that AP.相反,无线资源占用时长公平性会给每个设备相同的 传输时间,不管它们要接收多少数据包。 So older or more distant clients don't slow everyone else down, and your network gains capacity.

资产追踪

定位与分析

含义:

Asset Tracking is a way to keep track of a device’s location using Wi-Fi, radio frequency ID (RFID) tags, or a combination of both.

为何值得关注:

Many organizations-especially schools, hospitals, and others with large campuses-have lots of expensive equipment that moves around all the time. Whether it's tablets or laptops used by students and teachers, audiovisual equipment, lab or clinical equipment, organizations want to be able to know where their assets are located. 现代无线技术提供了两种方法可以做到这一点。对于与 Wi-Fi 网络连接的设备,您可以使用 Wi-Fi 位置与定位工具查看它们的位置。对于贴有 RFID 标签的资产,您可以使用类似的工具,这些工具使用蓝牙低功耗 (BLE) 信标跟踪它们。 If you're using a Ruckus Smart Positioning Technology (SPoT), you can do both. Just open up the Locator feature in the SPoT Analytics Dashboard, enter in the device's unique MAC address, and you can:

  • Instantly pinpoint any device’s real-time location
  • 查看历史热图,了解设备曾经位于的位置以及在该位置放置的时间长短
  • 针对设备进入或离开某个位置配置警报,以减少盗窃和丢失
  • 支持基于位置的广告、导航和其他服务
  • Better identify users’ locations during an emergency

频段引导

性能优化

含义:

频段引导是鼓励 WLAN 客户端将一个频段连接对比另一个频段连接的技术。

为何值得关注:

大多数现代无线网络可以同时使用 2.4GHz 和 5 GHz 的频段。 But 2.4 GHz is much more congested-both with older wireless clients, and things like cordless phones and Bluetooth devices that generate interference. For devices with "dual-band" capability, connecting over 5 GHz is usually the better choice.

With band steering, the wireless system monitors all clients in the environment, keeping track of whether they're single-band or dual-band, and which types of APs are in their proximity.当双频段设备尝试通过 2.4 GHz 连接时,接入点会将其引导至更清洁、更高容量的 5 GHz 频段。 Users on the 2.4 GHz band win too, because they're now sharing that spectrum with fewer devices.

BeamFlex 自适应天线技术

性能优化

含义:

智能、小巧的自适应天线系统含有多个元素,它们能够电子操纵天线性能,从而为与它们通信的每个设备创建最佳天线模式。

为何值得关注:

Traditional wireless antennas are either "omnidirectional" (radiating signals in all directions) or "directional" (radiating signals in one direction). 而 Ruckus BeamFlex 自适应天线技术则采用更具适应性的方法。BeamFlex 技术能够让 Ruckus 接入点内的天线系统不断感测和优化其环境。

该天线系统可减轻无线电干扰、噪声和网络性能问题,并提高应用流。结果:

  • 增加了性能和覆盖范围
  • 清晰的视频和语音通信
  • 最大化电源效率

BeamFlex+ 可以自适应支持移动设备,增强了 Ruckus BeamFlex 自适应天线技术。除客户端设备位置外,BeamFlex+ 还可以使天线适应客户端设备方向。

波束成形

性能优化

含义:

Beamforming is a technique APs use to focus their radio signals in the direction of the clients they're communicating with to gain better capacity and throughput. And while "beamforming" and Ruckus' "Beamflex" technology sound similar, they're not the same thing!

When most technology vendors talk about beamforming, they mean "transmit beamforming," (TxBF), which is achieved through signal processing built into the AP's chip. In contrast, Ruckus' Beamflex+ technology focuses radio signals using smart adaptive antennas. BeamFlex 不是行业标准芯片的一部分。 We add this capability-which works at the antenna-level-and we're the only vendor that has successfully implemented it.

为何值得关注:

当接入点将它们的信号直接针对客户端时,信号会更强(吞吐量更好),整体空域更清洁(所有地方反弹的信号产生的干扰更少)。所以,我们都同意,波束成形是一件好事。但一些供应商声称,TxBF 是您所需的一切。 That's not quite true.

Transmit beamforming requires feedback from the client-which means devices have to support the TxBF protocol to benefit from it, and many don't. Transmitters using TxBF also can't use spatial multiplexing at the same time (another technique that's widely used to get more capacity in the same airspace).

With Ruckus' revolutionary BeamFlex and BeamFlex+ Adaptive Antenna technology, you can provide benefits for all clients.这样,您的射频频谱会更加清晰,您的网络会提供更好的吞吐量和可靠性。 Want to use both? You can: BeamFlex and BeamFlex+ technologies add benefit on top of whatever beamforming technology may be implemented in the chip.

Campus Fabric 技术

性能优化

含义:

Ruckus 校园网基于开放式标准 IEEE 802.1BR 网桥端口扩展技术,可通过将网络接入、聚合和核心层压缩到一个可以共享服务的域,进而混合使用高级、中级和入门级交换机。

控制网桥和端口扩展器是校园网的构建模块。传统聚合/核心层替换为充当整个校园网技术控制中心的交换机,也就是控制网桥。接入层替换为可以在端口扩展器模式下运行的交换机;这些交换机可以实现 PC、平板电脑、IP 电话和其他接入设备的连接。控制网桥可使用以 IEEE 802.1BR 标准定义的协议与连接的端口扩展设备进行通信。

为何值得关注:

传统的网络效率非常低下且灵活性很差,需要网络团队连接至每台网络设备,以便配置资源、应用配置变更并部署网络策略。

不像传统的三层网络设计,Ruckus 园区网会将网络压缩到一个单独的逻辑设备中。这种设计可以实现集中控制,简化服务部署和管理工作,还可以轻松实现扩展,以应对需求的增长。交换机之间的所有链路随时都处于活动状态,流量可以保持负载均衡。结果:

  • 性能得到优化
  • 弹性增加
  • 网络服务部署更快速

Campus Fabric: 2 分钟快速答疑

证书管理

Network Security

含义:

在计算机网络中,数字证书是安装在设备上的文档,为在网络上认证设备提供了基础。证书管理是管理这些数字证书的过程。其中包括创建、存储、配送、暂停和撤销等过程。颁发证书机构(CA)负责证书管理,并同时也是登记用户证书的机构。

为何值得关注:

作为自动网络接入过程的一部分,安装在设备上的数字证书简化了网络认证,并确保每个连接都是安全的。 Users who have installed a certificate on their device during initial onboarding no longer have to take any action to re-authenticate on future connection attempts-the device connects automatically in a process that is transparent to the user.证书会一直保存在设备上,直到被 IT 管理员吊销。网络接入和身份验证的默认方法,例如传统的预分享密钥和 MAC 身份验证,不能提供通过安全接入平台分发的数字证书的安全性或用户体验优势。

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ChannelFly 高级信道选择

性能优化

含义:

The ChannelFly dynamic channel management technology in Ruckus APs improves wireless performance by dynamically switching a client to a better channel when the one it’s using starts to degrade.

为何值得关注:

Most modern WLAN products can change a client's channel when the one it's using gets clogged with interference or too many devices. But there's no point in switching channels unless you know the new one will actually provide more capacity. And most channel management strategies don't do a great job of predicting. ChannelFly 技术评估所有可用信道,以便在其将接入点引向交换机频道之前,测量每个频道可以提供的真实世界容量改善。

ChannelFly 技术最初是为在运营商 Wi-Fi 环境中应用而开发的,而在该环境中,信道高度拥挤。 Even in these dense public settings, it delivers multi-fold improvements in AP and network capacity-within seconds, automatically.

Citizens Broadband Radio Service (CBRS)

一般网络技术

含义:

In 2015, FCC authorized the use of the 3.5 GHz band (3550 MHz to 3700 MHz) for shared wireless access, opening up spectrum currently used by the US Navy and other DoD members.

The band utilizes standard LTE (in band 48) but it's unique in how spectrum is allocated: Usage is individually requested and assigned on a case-by-case basis. When the use of the spectrum is no longer required, the specific channel is freed up and made available to other users.

To use CBRS spectrum, one must request and be assigned a band by a Spectrum Allocation Server (SAS). The SAS calculates RF density and channel availability using terrain, radio propagation and current usage data before approving the request and allocating the spectrum.

Why should you care?

Shared spectrum with CBRS is a game changer in wireless connectivity in the US. It will enable simply better wireless experiences.

Who is this for? Basically everyone (in the US).

Mobile operators will leverage this band to augment their existing mobile coverage.

Cable operators will be able to utilize this spectrum in their new wireless offerings.

Organizations in the U.S. will, for the first time, be able to build their own LTE networks to address their most challenging business-critical use cases with CBRS.

Once CBRS supported mobile phones will be prevalent venues will be able to deploy neutral host networks. A single CBRS small cell will be able to provide cellular coverage to multiple operators. This could address in-building coverage issues with a very cost effective and straightforward solution.

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客户端负载均衡

性能优化

含义:

通过客户端负载均衡,WLAN 在多个接入点之间分配新的连接,以便实现网络和无线电频谱的最佳使用。

为何值得关注:

When too many clients connect to a single AP, there's less capacity available for each device, and poorer performance. 但在许多环境中,客户端可以连接到多个接入点中的任何一个。 Ruckus APs and ZoneDirector software track every client in the environment and distribute connections more evenly, while making sure that each device has a strong signal.所以,您的 WLAN 可以更好地利用它们的容量,而用户则获得更好的吞吐量和质量。

Client Roaming and SmartRoam+

性能优化

含义:

客户端漫游允许无线设备在通过空间移动时更快、更智能地从一个接入点切换到另一个接入点。这对看重延迟和服务质量 (QoS) 的应用特别重要,例如语音和视频,它们会使用太长时间的接入点,而当您远离它时,性能会降低。

为何值得关注:

If you're using a mobile device, you're likely to be, well, mobile. Which means your experience will suffer if your device doesn't know when to switch from the AP you connected with when you walked in the door to the one across the convention hall where you are now. Unfortunately, many devices get "stuck" to their previous AP for too long. 特别是对语音和视频应用而言,这更是一个问题,是在高密度环境中感觉欲求不满的主要来源。

借助 Ruckus SmartRoam+ 技术,您可以迫使客户端在其信号太弱时切换到新的接入点。您的用户会获得更好的漫游。 And, even more important in dense public venues, you won't waste network capacity communicating with too many devices over slower, weaker connections.

动态预分享秘钥 (DPSK)

Network Security

含义:

动态预分享密钥 (DPSK) 是 Ruckus 的一项专利技术,通过为每个设备和用户提供唯一的登录凭证来提供安全的网络访问。 Users access the wireless network using their own personal key, which is provided as part of the network onboarding process.与传统的预分享密钥 (PSK) 相比,多个甚至所有用户共享同一个密钥。

为何值得关注:

传统的预分享密钥会在网络防御中造成安全漏洞,因为多个用户使用同一密钥访问网络。传统的 PSK 不能让 IT 团队看到和控制网络上的设备,也不能将访问策略映射到特定的用户和设备。用户很容易与其他用户共享传统的 PSK,如果不取消所有用户的访问权限,就无法取消一个用户的 PSK。DPSK 解决了传统 PSK 的安全缺陷,使用户、设备、数据和网络更加安全。

DPSK 是数字证书的一种替代方案,可提供类似的安全优势。在用户体验考虑使得在设备上安装数字证书不切实际的情况下,它们可以取而代之。 This applies in cases where the user will only need network access for a limited time-for example, in the case of guest users.

客流量分析

定位与分析

含义:

客流量分析是一种使用公共场所(尤其是零售商店)无线网络深入了解客户在物理空间中的行为方式的方法。

为何值得关注:

虽然在线是现代零售业务的重要组成部分,但实体店在购物体验方面仍发挥着巨大的作用。现在,世界各地的零售商正在使用位置分析,为他们的实体店带与您网上所见相同的个性化、针对性极强的购物情报。诸如 Ruckus 智能定位技术 (SPoT) 的位置分析解决方案可以向零售商精确显示客户如何使用空间。他们可以看到店内的流量模式,找出产品放置在货架上的最佳位置,优化店面布局,以增加销售额和消费者在店中停留的时间等等。

Hotspot 2.0

Network Security

含义:

Hotspot 2.0 能够实现 Wi-Fi 无缝漫游,就像手机漫游那样。正如手机会自动查找漫游伙伴网络并牢固连接那样,无论您身在何处,用户都可以通过 Wi-Fi 获得相同的体验。

为何值得关注:

Most wireless users prefer to connect to Wi-Fi whenever they can, either to avoid cellular data overages, or because they're using a Wi-Fi-only device. But they have to work for it-finding and selecting the right network, entering a password, logging on through a portal. 而使用 Hotspot 2.0 和 802.11u 标准,这一切都消失了。 Here's how it works:

Wireless providers-cable or mobile providers, enterprises, and others-join roaming partnerships with other providers. Users' devices are loaded with the right credentials and security certificates.然后,在用户远离其主要网络供应商的任何时候,设备可以自动检查参与漫游合作伙伴提供的具有 Hotspot 2.0 功能的接入点。如果有可用的接入点,便可以自动连接,无需做任何事情。

物联网 (IoT)

一般网络技术

含义:

The Internet of things (IoT) refer to common physical devices – such as an electric bulb, lock, washing machine or even an automobile augmented with software and internet connectivity.

为何值得关注:

直接的好处是您可以从世界任何地方监控和控制这些 IoT 设备的功能。IoT 设备可以采集数据,可以用来提高用户体验,提高组织效率或降低组织成本。IoT 还可以使组织与现有产品一起提供新的服务。

例如,智能锁可以增强各种房产业主或酒店客人的安全性。智能照明控制可以减少能源使用。此外,网络化垃圾桶还可以在垃圾桶已满,需要清运时通知垃圾管理公司。

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物联网 (IoT) 接入网络

一般网络技术

含义:

An IoT access network connects both Wi-Fi and non-Wi-Fi IoT endpoints over a converged, multi-standard, physical network. 

为何值得关注:

IoT 接入网络可以通过融合的多标准物理网络连接 Wi-Fi 和非 Wi-Fi IoT 端点。此类网络可以对现有有线和无线网络相同的设备接入、安全和管理基础设施进行统一和重复利用,以降低成本,进而让组织可以更加快速地从 IoT 端点和服务获益。

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Mesh 网络和 SmartMesh

性能优化

含义:

You're not crazy if you think that wireless networks should be… wireless. 但在传统 WLAN 中,您仍然需要使用线缆连接到每个接入点。在 Mesh 网络中,各个接入点会彼此无线连接。

为何值得关注:

Who wouldn't want to eliminate the need for expensive Ethernet cabling across their facilities? 但若要在企业中实现 Mesh 网络谈何容易。 Traditionally, it's required a lot of complex configuration, and it's been hard to assure consistent, reliable connectivity.

With Ruckus SmartMesh Networking technology, we've made mesh networks enterprise-grade.相反,导航每个接入点的复杂配置,只需选中复选框。Mesh 便会自动形成。通过我们的 BeamFlex 技术,接入点可以一个数据包一个数据包地动态更改天线模式,以适应条件,并确保连接牢固。企业获得自我形成、自愈 Mesh 网络所需的时间和成本仅为传统无线部署的一半。

千兆级网络技术

一般网络技术

含义:

千兆级技术,具体讲是 IEEE 802.3bz 标准作为 2.5GBASE-T 和 5GBASE-T 在 2016 年正式推出。IEEE 802.3bz 是一种通过双绞铜线以 2.5 Gbps 和 5 Gbps 的速度实现的以太网标准。

为何值得关注:

千兆位级网络连接已经问世多年并一直为我们提供令人满意的服务,为笔记本电脑、智能手机和其他设备提供快速的低延迟数据。但最新一代的接入点可以支持高达 1 GbE 的网络连接,因此,有线网络成为一个性能瓶颈。千兆位级网络技术可以在 1 Gbps 以上的网络运行,支持 2.5 和 5 Gbps 的最新数据传输速度,同时还可以对部署广泛的 Cat 5e(用于 2.5 Gbps)和 Cat 6(用于 5 Gbps)电缆加以利用。因此,各企业可以通过成本效益最高,服务暂停时间最短的方式实现 Wi-Fi 性能的最大化。Ruckus ICX Z 系列交换机和 Ruckus R720 接入点支持千兆位级网络技术 / 802.3bz,以便帮助组织实现 Wi-Fi 网络性能的最大化。

网络容量利用率

性能优化

含义:

网络容量利用率可以通过内置的自适应客户端管理技术提高总体网络容量和通话时间利用率,这些技术可以在不同接入点和频段之间均匀地分配客户端负载,从而在超高密度环境中保持最佳的接入点到客户端的链路。

为何值得关注:

在密度较高的网络中,接入点最终会导致客户端负载不均衡,从而导致整体网络容量利用率不高。这会导致客户端到接入点的链路连接质量受到影响,导致客户端吞吐量降低。

网络容量利用率可以采用实时学习技术将客户端与连接质量和容量相对较高的接入点进行关联,以便对不停变化的网络负载做出响应,从而提高整体网络容量,提高每个客户端吞吐量并获得更好的用户体验。

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网络控制器

一般网络技术

含义:

在 Ruckus Networks 术语中,SmartZone™ 网络控制器是一种物理或虚拟网络元件,用于监视、管理并控制 Ruckus 接入点 (AP) 和 Ruckus 交换机。 When updated to the SmartZoneOS 5.0 release, all SmartZone WLAN controllers, e.g. SmartZone 100, Virtual SmartZone - Essentials, become SmartZone network controllers.

为何值得关注:

Within the networking industry, managing a network of both APs and switches ("unified management") has traditionally required the use of a separate network management system above and beyond the WLAN controller. 一个单独的管理系统至少需要一个单独的软件许可证,而且 IT 人员需要接受两种不同系统的培训。结果:花费了过多的时间、过多的成本,而且比较复杂。

现在有一种更简单的网络管理方法。Ruckus SmartZone 网络控制器是业内首款可以在单个用户界面对 LAN 和 WLAN 同时进行管理的设备。这种方法可以简化多种 IT 活动,例如,为交换机和接入点提供自动发现过程,以及在交换机和接入点之间轻松创建公共访问策略。

OpenFlow Hybrid Port Mode

性能优化

含义:

Ruckus OpenFlow hybrid port mode allows users to enable OpenFlow on any desired port on the Ruckus ICX switch while supporting other traditional switching features concurrently without increasing latency.

为何值得关注:

客户希望能够在现有产品网络的基础上搭建 OpenFlow 叠加层。OpenFlow 叠加层将会用于在底层网络之上支持新的高级服务和 SDN 应用程序。凭借 Ruckus 混合端口模式,无需独立的网络即可实现 SDN 和 OpenFlow 的优势功能。

按需端口扩展

性能优化

含义:

Ruckus ICX 7250 交换机带有 8 个端口,可使用一个或多个按需端口扩展 (PoD) 证书升级至 10 Gbps 的端口传输速度。

为何值得关注:

上行链路或堆栈 1-10 GbE 端口灵活证书许可,公司应用一个软件许可证即可根据特定要求对网络性能进行优化。这种方法无需安装独立硬件模块,而且可以让网络或基础设施升级变得更加简便。结果:

  • 对网络更改和需求的反应更加快速
  • 使用 Ruckus 交换机的成本效益更高
  • 随着性能/容量需求的不断扩大对投入进行更加强大的保护

安全访客接入

Network Security

含义:

Visitors to any environment-schools, colleges, government agencies, retail, hospitality, offices or practically anywhere-arrive expecting easy and secure connectivity for their devices. Secure guest access means allowing visitors (vendors, partners, consultants-visitors of any kind) a way to securely access the internet and/or local network resources services over the wireless or wired network.

为何值得关注:

如果做得正确,访客接入会让最终用户和提供它的组织实现双赢。当访客用户可以快速方便地上网时,他们的工作效率会更高。Internet 连接有助于访问者进行任何业务或活动,并将它们带入您的环境,这也有益于组织。现代访客访问系统使访问者可以安全地自行配置他们的设备,以便在没有 IT 部门参与的情况下访问 Internet,从而避免昂贵且劳动密集的服务台票证。这些系统允许 IT 团队定制网络接入工作流,这些工作流可以是赞助商发起的、赞助商批准的或完全自助的。访客通过短信、电子邮件或打印凭证接收他们的个人登录凭证。

IT teams can customize the onboarding portal so that the look and feel supports the organization's brand.他们可以根据用户在网站上停留的时间来授予特定时间段的访问权限。 Guest users typically get internet access only-they don't see internal network resources.IT 部门获得了对网络上设备的可见性和控制,可以随时取消访问权限。预先安全隐患排查和补救措施进一步增强了安全性。 

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安全网络接入

Network Security

含义:

网络接入是 BYOD、访客或 IT 拥有的设备首次访问网络的过程。安全网络接入意味着以增强用户、设备、数据和网络安全性的方式进行。

为何值得关注:

BYOD 和访客用户经常对默认的网络登录方法感到沮丧。 Default methods such as MAC authentications and conventional PSKs are not intuitive for users, leading to numerous help desk tickets. Default methods of onboarding and authentication are also not secure.有效的安全网络接入系统改善了 BYOD 用户和访客的最终用户体验。它减轻了 IT 部门与网络访问相关的过多服务台票证的负担,并作为分层保护策略的一部分提高了 IT 安全性。为此,Ruckus 提供 Cloudpath Enrollment System 软件/SaaS。

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sFlow

定位与分析

含义:

sFlow 是 Ruckus ICX 交换机内嵌的一种基于标准的数据包采样技术,用于为网络管理人员提供一种可扩展的技术,以便对网络流量进行测量并对流量数据进行采集、存储和分析。通过这种方式,就可以从一个位置对数万个位置的接口进行监测。

为何值得关注:

由于对业务关键型公司网络服务的依赖日益增加,网络中的任何变化都会对网络性能和可靠性产生影响。如果在各种链路上配置 sFlow,sFlow 就会有助于:

  • 分析流量统计数据以及这些链路的趋势
  • 解决意外的网络拥堵
  • 改善容量规划

SmartCast

性能优化

含义:

SmartCast is a sophisticated quality of service (QoS) engine specifically developed to maximize the reliability and performance of delay-sensitive applications, such as IP-based voice and video over 802.11 networks. Based on patented technology, SmartCast delivers a collection of unique capabilities - such as packet inspection, automatic traffic classification, advanced queuing and scheduling.

为何值得关注:

With per-client queuing, SmartCast is ideal for video and voice over Wi-Fi applications because it ensures disruptive clients don’t negatively effect the performance of others clients on the network (no head-of-line blocking).

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临时客户端管理

性能优化

含义:

Transient Client Management is a capability that delays associations of Ruckus AP’s with transient clients (devices that are in the AP’s coverage area for a short time) using statistical methods.

为何值得关注:

在密度较高的 Wi-Fi 网络中,临时客户端可能会降低已经连接的客户端的用户体验。 This problem is typical in train stations, bus terminals and various public hot spot venues where thousands of devices moving through an area send management frames to an AP they don't intend to connect with.这会让网络不堪重负,从而拖慢 Wi-Fi 的连接速度。

对于临时客户端管理,Ruckus 接入点会最大限度地关注已连接的非临时客户端,并更有效地利用通话时间。

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超高密度技术套件

性能优化

含义:

The Ruckus Ultra-High-Density Technology Suite is a collection of features and technologies designed to improve network performance and end-user experience in ultra-high dense environments – specifically stadiums, auditoriums, convention centres, transit hubs and lecture halls.

它包括各项 Ruckus 独有技术:

为何值得关注:

随着设备数量的增多,人们对应用的要求不断提高,对更快、更好的 Wi-Fi 的需求越来越大。无论我们是在办公室,还是在机场或火车站这样人口密集的地区,这种需求都会存在。

While the latest Wi-Fi standards like 802.11ax deliver more, by itself that is not enough. Ruckus’ unique technologies combined with the new standard 802.11ax enable our customers to deliver the best end-user experience in ultra-high dense environments.

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VXLAN

管理简化

含义:

虚拟可扩展 LAN (VXLAN) 是一种基于标准的封装协议,可以在现有物理网络的基础上运行覆盖网络。 An overlay network is a virtual network that delivers L2 services on the top of an exiting L3 network infrastructure creating new virtual L2 broadcast domains decoupled from the underlay network physical topology.

为何值得关注:

通过 VXLAN,网络工程师可以更加轻松地跨越被 L3 边界分隔的物理位置的网段。它还可以促进各种应用程序和各种类型的用户或租户之间的流量隔离,进而可提升安全性和隐私性。部署在校园网络上的 VXLAN 可以加快新位置的接入,并可降低在整个校园部署新的应用程序和网络服务的复杂性。

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