继光香香鸡重庆的微博

继光香香鸡重庆

2020-07-09 14:09来自微博 weibo.com

All Webex Teams apps and devices initiate outbound connections only. Cisco’s Webex Cloud never initiates any connections to Webex Teams apps and devices. Webex Teams services are hosted in globally distributed data centers, that are either Cisco owned (e.g. Webex data centers fo

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继光香香鸡重庆

2020-07-07 23:22来自微博 weibo.com

Since, typical packet filtering firewalls don't support dynamic port filtering, it's always a good idea to use application-specific proxies that enable secure UDP streaming.

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继光香香鸡重庆

2020-07-07 23:21来自微博 weibo.com

Firewalls implemented as perimeter protection typically block UDP, the transport mechanism for multicast packets. Because of the connectionless nature of UDP, it is almost impossible to define a reasonable firewall policy that allows some UDP communications and blocks others. Man

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继光香香鸡重庆

2020-07-06 18:15来自微博 weibo.com

The deployment at Oracle will help expand Zoom’s support of educational users. As schools shifted to online curriculum during the pandemic, Zoom decided to eliminate the 40-minute limit for K-12 schools. Oracle said that its engineering team worked quickly to help Zoom add enoug

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继光香香鸡重庆

2020-07-06 18:14来自微博 weibo.com

In early May, Zoom added more cloud capacity through a deal with Oracle, which said it was able to quickly help Zoom scale up to using seven petabytes through Oracle Cloud Infrastructure servers each day, roughly equivalent to 93 years of HD video.

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继光香香鸡重庆

2020-07-06 18:13来自微博 weibo.com

Zoom was already using AWS for some back-office functions, including pre-and post-meeting content. That scaled up very quickly, as Zoom provisioned up to 5,000 to 6,000 servers at a time from AWS as it began to expand its in-meeting video capacity.

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继光香香鸡重庆

2020-07-06 18:09来自微博 weibo.com

Zoom also operates in several locations in the U.S. in data center space operated by wholesale data center providers, including Digital Realty and CoreSite.

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继光香香鸡重庆

2020-07-06 17:40来自微博 weibo.com

“Equinix has played a key role in Zoom’s success and its journey to accelerate international expansion,” said Oded Gal, Chief Product Officer at Zoom. “The global presence of Platform Equinix has served as a meeting point for various components of our infrastructure—from net

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继光香香鸡重庆

2020-07-06 17:36来自微博 weibo.com

Colocation is the practice of housing privately-owned servers and networking equipment in a third-party data center. Instead of the usual scenario where servers are housed within a room or a section of its own business infrastructure, there isthe option to “co-locate” equipment

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继光香香鸡重庆

2020-07-06 17:22来自微博 weibo.com

Most of the company’s colocation infrastructure is housed at Equinix, which has been working with Zoom since 2015. As of November 2019, Zoom had deployments in nine Equinix data centers – Amsterdam, Frankfurt, Hong Kong, Melbourne, New York, Tokyo, Toronto, Silicon Valley and

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继光香香鸡重庆

2020-07-06 17:17来自微博 weibo.com

The company currently uses 17 data centers around the world to manage its data traffic, as well as major cloud computing platforms.

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继光香香鸡重庆

2020-07-06 17:15来自微博 weibo.com

As the new player on the block, Zoom has had to build its infrastructure from the ground up, unlike competing services from Microsoft (Teams), Google (Meet) and Cisco (Webex) that rise atop massive global networks.

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继光香香鸡重庆

2020-07-04 15:18来自微博 weibo.com

“How could you do this? It is not possible to build a network in only 12 months without a significant capex investment,” posed Amin during his presentation. “It is possible because we are deploying a very different architecture and leveraging Rakuten IT skills as a leading tec

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继光香香鸡重庆

2020-07-04 15:16来自微博 weibo.com

As an MVNO, however, Rakuten Mobile utilizes the infrastructure of other major network carriers to deliver its service – limiting its ability to launch technical innovation and provide new services to customers.

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继光香香鸡重庆

2020-07-04 14:54来自微博 weibo.com

Rakuten Communications Platform, taking it even further towards containers, which is designed to help other operators move to fully cloud-native virtualized networks.

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继光香香鸡重庆

2020-07-04 14:52来自微博 weibo.com

Of course, Rakuten Mobile is in a completely different position from most telecoms operators, in that it didn’t have an existing network to worry about.

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继光香香鸡重庆

2020-07-04 14:48来自微博 weibo.com

As Rakuten Mobile’s software-defined architecture enables it to fine-tune its network in real-time, Davidson expects the network to perform at a very high level, bringing reliability and throughput benefits to customers.

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继光香香鸡重庆

2020-07-04 14:48来自微博 weibo.com

Tareq is a phenomenal visionary who has got companies that have traditionally been competitors to collaborate and partner in new ways to really achieve something that has not been achieved before.”

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继光香香鸡重庆

2020-07-04 14:47来自微博 weibo.com

Although Cisco had many of the required technologies in its portfolio, it has learned a lot from the Rakuten Mobile deployment. “Any time you do something that has never been done before, there are going to be a lot of challenges that you have to uncover,” notes Davidson. “It

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继光香香鸡重庆

2020-07-04 14:46来自微博 weibo.com

The design approach we mapped out with Cisco is enabling us to deliver high-value services at very affordable prices, enabling our customers to really benefit from our cloud innovation. Scaling of such orchestration function is a challenge.”

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继光香香鸡重庆

2020-07-04 14:07来自微博 weibo.com

The structure of a software component follows from the structure of the data that it has to deal with.

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继光香香鸡重庆

2020-07-03 20:33来自微博 weibo.com

the service works, and works well; the service did exactly what it was promised to do; the service delivered the business value the customer wanted and needed; and the customer's business was more successful as a result of using the cloud service.

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继光香香鸡重庆

2020-07-03 20:32来自微博 weibo.com

And if the cloud incumbent really wants that customer to renew the subscription, and if that cloud vendor really wants to reap the financial rewards of keeping existing customers rather than constantly battling the churn for new ones, then that cloud vendor will—from the moment

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继光香香鸡重庆

2020-07-03 19:54来自微博 weibo.com

Customers were boxed in: they could rant and rave at the vendors who did business that way, but the cost of switching to a different vendor—and most alternatives would operate pretty much exactly the same way—was so high and so painful and so time-consuming that most customers

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继光香香鸡重庆

2020-07-03 19:52来自微博 weibo.com

Here's why: in the old days, tech vendors made the stuff, worked out a deal with a customer, received a check and stuffed it in the bank, and then dropped the stuff off the customer's loading dock and said, "Thanks, and if there's any problem, don't call us—it's your property no

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继光香香鸡重庆

2020-07-03 19:51来自微博 weibo.com

Cloud computing is changing the expectations of customers and the requirements for cloud vendors—and as the cloud continues to move rapidly into the mainstream of global business, a new board-level agenda item has exploded onto the scene: customer success.

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继光香香鸡重庆

2020-07-03 19:50来自微博 weibo.com

But the enterprise-tech industry hasn't always earned a sterling reputation for delivering that type of outcome: complex products, difficult integrations, multiple versions, painful upgrades, promises exceeding reality, and the need for armies of technical experts to keep it all

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继光香香鸡重庆

2020-07-02 21:14来自微博 weibo.com

Tech-touch should be for repetitive, low-value customer success tasks, freeing up CSMs for the real high-value work. Low-value doesn’t mean low-touch, however, and shouldn’t be limited to lower-spending segments of a customer base.

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继光香香鸡重庆

2020-07-02 21:08来自微博 weibo.com

Small and Medium Businesses (SMBs) also have needs but aren’t necessarily generating enough revenue to justify hiring multiple CSMs. Because of this, much of customer success management can wind up relying on tech touchpoints, or simply having no touchpoints at all, where automa

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继光香香鸡重庆

2020-07-02 21:08来自微博 weibo.com

‍Mid-market customers need assistance as well, of course, but may not have the same resources or budget as enterprise customers to unlock person-to-person attention. To meet their needs, low- or mid-touch CSM approaches are usually recommended.

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继光香香鸡重庆

2020-07-02 21:04来自微博 weibo.com

Enterprise customers often have the most complex needs, and want solutions fast when a problem arises. They also tend to be proactive, trying to get ahead of problems to prevent them from happening at all. Most of all, they have the highest value and revenue potential per custome

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继光香香鸡重庆

2020-07-02 21:03来自微博 weibo.com

‍No-touch, as the name suggests, indicates no human contact. No-touch methods include online forms, automated emails, chatbots, and anything else that doesn’t require a person working in real-time to support a customer. Many equate “tech-touch” with this category, for obvious

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继光香香鸡重庆

2020-07-02 20:59来自微博 weibo.com

Low-touch (or mid-touch) may mean customers are connected to whichever member of the team is available at the moment, or a dedicated CSM sends the occasional check-in email with more limited time spent on the account. CSMs still interact with customers, but typically don’t have

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继光香香鸡重庆

2020-07-02 20:58来自微博 weibo.com

High-touch typically means a lot of human time and contact between a dedicated CSM and their clients. This takes the form of personalized emails, phone calls, and meetings.

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继光香香鸡重庆

2020-07-02 20:48来自微博 weibo.com

categorize customers as being “high-touch,” “low-touch,” or “no-touch.” These labels delineate the degrees of contact, time, and investment spent with particular customers.

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继光香香鸡重庆

2020-07-02 19:25来自微博 weibo.com

When you look at how the subscription software economy has exploded, the growth of customer success is no surprise.

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继光香香鸡重庆

2020-06-28 21:06来自微博 weibo.com

APIs, in modern use, refer REST web APIs, which using HTTP protocols, with JSON or XML payloads.

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继光香香鸡重庆

2020-06-28 21:02来自微博 weibo.com

API is the mechanism to get data from applications or request changes to that data.

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继光香香鸡重庆

2020-06-27 17:23来自微博 weibo.com

The enterprise landscape is continuously evolving. There is a greater demand for mobile and Internet-of-Things (IoT) device traffic, SaaS applications, and cloud adoption.

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继光香香鸡重庆

2020-06-25 18:36来自微博 weibo.com

Cisco SDWAN provides this exibility in both full and partial mesh encrypted deliveries, allowing for the utmost customization based on your needs

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继光香香鸡重庆

2020-06-25 18:35来自微博 weibo.com

Through OMP, Cisco SD-WAN supports both common and advanced routing protocols that are necessary for managing networks across the WAN and cloud, such as Border Gateway Protocol (BGP), Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First (OSPF), Virtual Rou

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继光香香鸡重庆

2020-06-25 18:35来自微博 weibo.com

Cisco SD-WAN is able to use any transport method (satellite, broadband, MPLS, 5G/LTE) from any location (core, edge, cloud) for any network service (security, application quality of experience, voice).

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继光香香鸡重庆

2020-06-25 18:17来自微博 weibo.com

Whether you deploy your product in the cloud or on-premises, Cisco SD-WAN automatically discovers, authenticates, and provisions both new and existing devices.

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继光香香鸡重庆

2020-06-21 15:25来自微博 weibo.com

webex calling: 1. full featured PBX. 2. multiple station types. 3. wide range of phons and headsets. 4. flexible PSTN options

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继光香香鸡重庆

2020-06-20 14:29来自微博 weibo.com

All Webex Teams apps and devices initiate outbound connections only. Cisco’s Webex Cloud never initiates any connections to Webex Teams apps and devices. Webex Teams services are hosted in globally distributed data centers, that are either Cisco owned (e.g. Webex data centers

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继光香香鸡重庆

2020-06-20 11:51来自微博 weibo.com

In other words, users would have the same experience communicating with colleagues inside their company, as communicating with colleagues outside of their company. While we have yet to achieve this Nirvana state, the industry has been working toward this with a set of capabilitie

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继光香香鸡重庆

2020-06-20 11:50来自微博 weibo.com

In my work in the last twenty years on IP communications, the holy grail of the industry was to enable solutions that provide true any-to-any communications. That is – in the workplace environment – it would be possible for any user in Company A to talk to any user in Company B

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继光香香鸡重庆

2020-06-19 19:36来自微博 weibo.com

Also, since SD-WAN unifies the entire WAN backbone, it delivers comprehensive analytics across the network globally. This wasn't possible before, because of disparate pieces of infrastructure and policy.

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继光香香鸡重庆

2020-06-19 19:36来自微博 weibo.com

While MPLS handled failure scenarios with backup links, SD-WAN handles them with real-time traffic steering based on centralized policy.

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继光香香鸡重庆

2020-06-19 19:35来自微博 weibo.com

In many ways, SD-WAN can be seen as a software abstraction of MPLS technology that's applicable to wider scenarios:

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继光香香鸡重庆

2020-06-19 19:35来自微博 weibo.com

SD-WAN evolved from MPLS technology, which has powered private connectivity for more than two decades

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继光香香鸡重庆

2020-06-19 19:32来自微博 weibo.com

With SD-WAN, IT can deliver routing, threat protection, efficient offloading of expensive circuits, and simplification of WAN network management.

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继光香香鸡重庆

2020-06-19 19:31来自微博 weibo.com

IT fights a daily, complex battle of connecting multiple types of users with multiple types of devices to multiple cloud environments

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继光香香鸡重庆

2020-06-19 19:31来自微博 weibo.com

WAN expenses can rise with inefficient use of dedicated and backup circuits.

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继光香香鸡重庆

2020-06-19 19:31来自微博 weibo.com

Employee productivity may be compromised by SaaS-application performance problems.

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继光香香鸡重庆

2020-06-19 19:29来自微博 weibo.com

Once an organization adopts cloud-based applications in the form of SaaS and IaaS, its WAN architecture experiences an explosion of traffic accessing applications distributed across the globe.

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继光香香鸡重庆

2020-06-19 19:29来自微博 weibo.com

The traditional WAN architecture was limited to enterprise, branch, and data center.

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继光香香鸡重庆

2020-06-19 19:26来自微博 weibo.com

That is because WANs designed for a different era are not ready for the unprecedented explosion of WAN traffic that cloud adoption brings.

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继光香香鸡重庆

2020-06-19 19:26来自微博 weibo.com

Today's IT challenges Times have changed. As businesses adopt the use of SaaS and infrastructure-as-a-service (IaaS) applications in multiple clouds, IT is realizing that the user application experience is poor.

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继光香香鸡重庆

2020-06-19 19:25来自微博 weibo.com

The traditional WAN The traditional WAN (wide-area network) function was to connect users at the branch or campus to applications hosted on servers in the data center. Typically, dedicated MPLS circuits were used to help ensure security and reliable connectivity. This doesn't wor

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继光香香鸡重庆

2020-06-17 12:47来自微博 weibo.com

In simple terms, authentication is the process of verifying who a user is, while authorization is the process of verifying what they have access to.

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继光香香鸡重庆

2020-06-16 12:45来自微博 weibo.com

Using the example of a “Team” with the students in a course, each “Space” you create could be a class, this way you track each class by itself. Or you could create one “Space” for course work, one for lab’s and maybe another for special project(s).

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继光香香鸡重庆

2020-06-16 12:43来自微博 weibo.com

Once the “Team” is together you need to create a “Space” to work in. This is where you access the available tools, i.e. videoconferencing, messaging, file sharing and whiteboarding. The system comes with a “General Space” to start, and you may never need another. However, W

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继光香香鸡重庆

2020-06-16 12:32来自微博 weibo.com

When a user signs in to Webex Teams they create a “Team”. Team members can be anyone with an email address, from on campus or off. Examples might include all the members of a research project or the students in a particular course.

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继光香香鸡重庆

2020-06-16 12:30来自微博 weibo.com

Webex Teams is a cloud-based app for continuous teamwork with videoconferencing, meetings, group messaging, file sharing and white boarding.

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继光香香鸡重庆

2020-06-16 12:30来自微博 weibo.com

Webex Meetings is a cloud-based app that provides video conferencing & online meetings.

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继光香香鸡重庆

2020-06-15 19:03来自微博 weibo.com

Cisco TMSXE is an extension of Cisco TelePresence Management Suite (Cisco TMS) that enables Cisco TelePresence scheduling through Microsoft Outlook (Figure 1)

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继光香香鸡重庆

2020-06-11 23:03来自微博 weibo.com

Syntax Rules Here are some important syntax rules: A SOAP message MUST be encoded using XML A SOAP message MUST use the SOAP Envelope namespace A SOAP message must NOT contain a DTD reference A SOAP message must NOT contain XML Processing Instructions

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继光香香鸡重庆

2020-06-11 22:58来自微博 weibo.com

A SOAP message is an ordinary XML document containing the following elements: An Envelope element that identifies the XML document as a SOAP message A Header element that contains header information A Body element that contains call and response information A Fault element conta

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继光香香鸡重庆

2020-06-11 22:56来自微博 weibo.com

SOAP provides a way to communicate between applications running on different operating systems, with different technologies and programming languages.

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继光香香鸡重庆

2020-06-11 22:56来自微博 weibo.com

SOAP was created to accomplish this.

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继光香香鸡重庆

2020-06-11 22:55来自微博 weibo.com

The best way to communicate between applications is over HTTP, because HTTP is supported by all Internet browsers and servers.

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继光香香鸡重庆

2020-06-11 22:55来自微博 weibo.com

It is important for web applications to be able to communicate over the Internet.

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继光香香鸡重庆

2020-06-11 22:54来自微博 weibo.com

SOAP is an application communication protocol SOAP is a format for sending and receiving messages SOAP is platform independent SOAP is based on XML

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继光香香鸡重庆

2020-06-11 22:51来自微博 weibo.com

However, it’s the web services associated with SOAP and/or Service Oriented Architecture which are falling out of favor.

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继光香香鸡重庆

2020-06-11 22:50来自微博 weibo.com

Yes, there’s overlap between the two: all web services are APIs, but not all APIs are web services.

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继光香香鸡重庆

2020-06-11 22:49来自微博 weibo.com

There you have it: an API is an interface that allows you to build on the data and functionality of another application, while a web service is a network-based resource that fulfills a specific task.

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继光香香鸡重庆

2020-06-11 22:45来自微博 weibo.com

On the other hand, web services have not enjoyed such an open history: instead, they tend to offer specific data and/or functionality to specific partners — they’re not there to be hacked about with.

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继光香香鸡重庆

2020-06-11 22:45来自微博 weibo.com

There’s another big distinction. Many public APIs are transparent, with open documentation and self-service portals for quick developer onboarding. That’s because the point of many modern day APIs is, after all, to facilitate interaction with an application.

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继光香香鸡重庆

2020-06-11 22:43来自微博 weibo.com

APIs are protocol agnostic. While APIs can use any protocols or design styles, web services usually use SOAP (but sometimes REST, UDDI, and XML-RPC).

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继光香香鸡重庆

2020-06-11 22:39来自微博 weibo.com

Web services require a network. While APIs can be on- or offline, web services must use a network.

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继光香香鸡重庆

2020-06-11 22:33来自微博 weibo.com

every web service is an API — since it exposes an application’s data and/or functionality — but not every API is a web service. This is because the definition of a web service is quite restrictive when it comes to implementation:

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继光香香鸡重庆

2020-06-11 21:48来自微博 weibo.com

Service Oriented Architecture, or SOA, is an architectural pattern for designing software applications where features are split up and made available as services in a network.

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继光香香鸡重庆

2020-06-11 21:31来自微博 weibo.com

Therefore, web services, by definition, require a network. The term “web service” is defined by W3C (the World Wide Web Consortium) and so it technically follows a whole host of standards.

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继光香香鸡重庆

2020-06-11 21:30来自微博 weibo.com

What Is a Web Service? Simply put, a web service is a resource that’s made available over the internet.

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继光香香鸡重庆

2020-06-11 21:28来自微博 weibo.com

These requests often return textual data in the form of a JSON or XML response.

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继光香香鸡重庆

2020-06-11 21:27来自微博 weibo.com

Technically speaking, web APIs usually send data back and forth using HTTP requests

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继光香香鸡重庆

2020-06-11 21:21来自微博 weibo.com

Nowadays, when we’re talking about APIs we’re typically referring to web APIs, which expose an application’s data and functionality over the internet.

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继光香香鸡重庆

2020-06-11 21:20来自微博 weibo.com

APIs have been around for donkey’s years. Pretty soon after the first computer application was created, clever developers realized that you could get a lot more out of distinct applications by linking them together — and so the API was born.

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继光香香鸡重庆

2020-06-04 16:42来自微博 weibo.com

value-added resellers (VARs). VARs are not regulated service providers and cannot provide PSTN service. PSTN service must be leveraged through an enterprise local gateway deployment. Webex® Calling also provides service assurance through media quality metrics.

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继光香香鸡重庆

2020-06-04 16:36来自微博 weibo.com

Geo-redundancy will help keep your data safe. Geo redundancy will replicate your data and store this backup data in a separate physical location just in case one site fails. This is extremely valuable if you are running a large scale business. For example, your secondary geograph

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继光香香鸡重庆

2020-06-04 15:05来自微博 weibo.com

The Zoom Video earnings reports do not break out paid subscribers. The company said it had 265,400 business customers as of April 30, each with more than 10 employees. That's up threefold from 81,900 in the January quarter.

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继光香香鸡重庆

2020-05-29 17:05来自微博 weibo.com

SIP Application Layer Gateway is a feature of many firewalls that was originally designed to prevent and remedy some of the IP telephony problems caused by firewalls. It is primarily used to attempt to overcome problems arising from using NAT.

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继光香香鸡重庆

2020-05-29 17:04来自微博 weibo.com

Install a session border controller – An SBC is a specialized device used to facilitate the communication of VoIP conversations over the edge of a network. Often incorporated into a security device such as a firewall, the SBC goes one step further in ensuring a smooth VoIP deplo

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继光香香鸡重庆

2020-05-29 17:02来自微博 weibo.com

Best bet: Use an application layer firewall whenever possible – An application layer firewall will perform as well as the stateful firewall, with the added benefit that it will be able to inspect each packet to determine if it really is what it claims to be. For example, if a ma

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继光香香鸡重庆

2020-05-29 17:01来自微博 weibo.com

. The weakness still remaining in this scenario is that packets sent by malicious users may masquerade as SIP packets (for example), because they use the correct port numbers and would therefore be allowed to pass through, even if the packets themselves had a completely different

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继光香香鸡重庆

2020-05-29 17:00来自微博 weibo.com

Use a stateful firewall at the very least – A stateful firewall detects the association between sessions and allows communication to occur on voice sessions associated with SIP sessions that are permitted to pass based on specific filtering rules.

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继光香香鸡重庆

2020-05-29 16:52来自微博 weibo.com

Because of the nature of VoIP, special care must be taken to ensure that the implementation of a firewall will allow voice communications to take place without compromising the security provided by the device. The following general guidelines provide a good starting point for ach

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继光香香鸡重庆

2020-05-29 16:51来自微博 weibo.com

The fundamental problem firewalls introduce to VoIP communications is that, depending on the type being used, they inherently view sessions as discrete and unrelated, even though they may be part of the same voice conversation. As a result, some of the communication sessions may

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继光香香鸡重庆

2020-05-29 16:49来自微博 weibo.com

Notice that the firewall must allow three separate flows of traffic to traverse it: Voice packets that flow between the two endpoints SIP control messages exchanged between the two endpoints SIP control messages exchanged between the IP PBX and the ITSP SIP server that control a

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