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什么是LLU/SLU/BSA

InfoTech
2011年7月3日 / 75次阅读

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LLU/SLU/BSA是接入网批发业务的一些术语。政府让处于垄断地位的运营商开放接入网,是为了破除垄断,强化竞争,避免重复投资,开放接入网络,政府加强管理,促进行业技术发展。

几种典型的接入网wholesale方式:

LLU:Local Loop Unbundled.

从CO到用户,这一段的铜线资源租给其它运营商,一般用于ADSLx线路。

SLU:Sub-Loop Unbundled.

在FTTx + VDSL2场景下,铜线不是从CO开始的。

BSA:Bit Stream Access.

不租用物理线路,租用带宽;从用户上来的数据走别的运营商,然后在一个叫handover point交给自己处理。

2013-1-24:

一些DT LLU或者ULL的信息,来自DT的newsletter。

Background on ULL

The ULL charge is what other telecommunications companies pay Deutsche Telekom each month for provision of the unbundled local loop line, otherwise known as the last mile. In telecommunications networks, that refers to the section of line between the local exchange (main distribution frame) and the customer’s connection. In the case of the shorter ULL CD, the section of line between the cable distribution box (CD) on the street and the connection in the home, Deutsche Telekom has applied for a charge of EUR 8.80 per month (approved to date: EUR 7.17).

The unbundled local loop line is the most important wholesale service on the German telecommunications market, as it forms part of almost all wholesale products. The Federal Networks Agency has continuously cut the ULL charges since 1999 from EUR 12.98 to the current level of EUR 10.08; Telekom has consistently applied for higher charges in view of its cost statements. Deutsche Telekom currently leases out around 9.5 million ULLs.

And what now

Deutsche Telekom has filed an application with the Federal Network Agency for a monthly charge of EUR 12.37 for the provision of unbundled local loop (ULL) lines. For the first time, the approval period is three years with an option to extend for a further three years (until December 31, 2019). The current charge of EUR 10.08 expires on June 30, 2013.

本文链接:http://www.maixj.net/ict/llu-slu-bsa-5263
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