…
总结本次测试的结果,可将参加测试厂家的设备按照性能、功能及互通性的优劣(GFP 映射和LCAS 互通)分为三个档次(同一档次内排名不分先后)。
A 类:测试中表现良好,可优先采用的为:
华为、中兴、光桥、上海贝尔阿尔卡特、烽火
B 类:测试中表现一般,可以采用的为:
UT 斯达康、Lucent、Tellabs、东信、NEC、ECI、Cisco、西门子、 钧天
C 类:测试中功能较差,基本不可用的为:
富士通、CIENA
时间: 2004-4-12 12:28
作者: wkq3k
我问一下,为什么A类大多是国内产品,这是不是意味着国内的MSTP技术水平处于世界先进地位?
时间: 2004-4-13 11:43
作者: U.U
那当然,人家国外搞得是MSPP,呵呵
国内公司对GFP和LCAS的理解岂是国外公司可比的:)
时间: 2004-4-14 09:23
作者: 家园客人
MSPP和MSTP在哪些方面有区别?
时间: 2004-4-14 20:16
作者: wkq3k
Multiservice Provisioning
Platform???
时间: 2004-4-14 22:22
作者: freebird
华为永远争第一!
时间: 2004-4-15 23:18
作者: rive_gauche 标题: MSPP,MSSP,MSTP
1. MSPP,MSPP,MSTP都是支持多业务,只是侧重点不同,也是适应主流运营商的系统分阶段演进的需要,按照CISCO的话来说,就是:“Our experience over many years has been that the evolutionary practices usually go out over revolutionary approaches. Greenfields are somewhat a thing of the past, and the evolutionary approaches seem to be more easily introduced into large-service-provider environments.”
3. 2002年推出的ONS 15600 MSSP is focused on the carrier core network. it has a very large STS fabric (and soon a very large VT fabric), and integrates ADM and broadband digital crossconnect (BBDXC) functions, providing a multiservice switch fabric that is strictly nonblocking – and also fast (<25ms protection switching).
4。 2003年的ONS 15454 MSTP, which integrates DWDM into the platform and maps multiple services/interfaces in individual wavelengths to provide scaleable optical transport from tens to hundreds of kilometers.
5。同样,PHOTONIC BRIDGE也是采用渐进的方式演进,不过他们强调从一开始就考虑将WDM融入到SDH中去。他们的MSPP architecture uses multiservice interface planes (TDM plane, IP/Ethernet plane, ATM plane, and lambda plane) and dual switching planes (TDM plane and data plane). Data streams are processed with Layer 2 switching, GFP encapsulation, and VCAT and LCAS for improved transport efficiency.
时间: 2004-4-16 14:26
作者: 家园客人
可怜的ciena!
时间: 2004-4-16 16:05
作者: 家园客人
说实在的,什么排名啊,档次啊,纯粹TMD无聊,我看主要是为了让大家都有点事情做,综合排名的结果的依据是什么? 市场大小,技术指标? 还是其他场外因素? WHO KNOWS, WHO CARE? ONLY FOOL Care !!!!
3.讲到这里,不妨侃侃华为的INDIA RESEARCH CENTRE. 2000年,华为在INDIA建立RESEARCH CENTRE的时候,基本上没有人愿意加入这间公司,当时华为以市场价格三倍的SALARY聘请来自于CISCO/INFOSYS/HCL的资深技术人员,主要是熟悉CISCO IOS TESTING 的.但是当时的员工大多工作不满六个月都跑了.现在员工大多来自于MOTOROLA/CISCO/SUN/LUCENT,尽管SALARY只比市场高20%,员工流失情况有所改善.
The Cisco(R) solution includes the Cisco ONS 15454 SONET/SDH Multiservice Provisioning Platform (MSPP); Cisco Catalyst(R) 6500, Catalyst 4500, Catalyst 3350, and Catalyst 2950 series switches; and Cisco 2600XM Series routers. The Cisco ONS 15454 SONET/SDH MSPP with integrated dense wavelength-division multiplexing (DWDM) capabilities is the only platform available in the market that enables HKBN to converge its legacy voice and data services and its new pay-TV service into a single platform, and at the same time offer Layer 2 and 3 Internet Protocol (IP) services on the same platform using Cisco's industry-leading Resilient Packet Ring (RPR)-ready ML Series line cards.
The Cisco Optical Core Network solution empowers HKBN with high data capacity to deliver up to 200 digital pay-TV channels via MPEG-2 4.5M to 10M with DVD visual quality. It also features interactive pay-TV elements and enables PC or TV connection with the aid of a set-top box. Because of the network's easily managed and scalable nature, HKBN has rapidly extended its network coverage to 1.2 million homes passed and 550 commercial buildings.
时间: 2004-5-15 16:44
作者: rive_gauche 标题: 华为的欧洲扩张
1。华为在欧洲扩张速度非常快
UK - Fibernet (NGN合作)
BT, EEscape(BT下属的一间从事电信业务批发商)
France - Free, Neuf Telecom
Germany - 同当地SI: Vierling合作,拿下了E-TEL的CORE SWITCH 定单
2.依据目前的东欧地区(尤其是加入欧盟的新成员国)的业务供求情况来看,未来对语音和数据的需求大大超过供应能力,如果华为能充分抓住和E-TEL的合作关系,进一步扩大市场影响力,则势必在以下产品建立足够的市场优势:
A MSTP
B Core switch and router
C Wireless Intelligent Network