链路效率机制

1、Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. 链路效率机制Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page1培训目标学完本课程后，您应该能：l理解链路效率机制的原理。l掌握链路效率机制的配置。Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page2链路效率机制IPHC：IP Header Compression，IP报文头压缩lRTP

2、报文头压缩lTCP报文头压缩LFI：Link Fragmentation and Interleaving，链路分片与交叉Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page3IPHC：IP Header Compression需由此接口需由此接口发送的报文发送的报文队列队列离开接口的报文离开接口的报文图示说明：图示说明：RTPRTP和和TCPTCP报文报文分类分类Q1Q2Q3Qn其它各类报文其它各类报文IPHCIPHCCopyright 2012 Huawei Technologies Co., Ltd.

3、 All rights reserved. Page4配置IPHCE0S0interface Serial0 link-protocol ppp ip address 12.12.12.1 255.255.255.252 ppp compression iphc ppp compression iphc rtp-connections 20 S0RTARTBinterface Serial0 link-protocol ppp ip address 12.12.12.2 255.255.255.252 ppp compression iphc ppp compression iphc rtp-

4、connections 20 Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page5Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page6配置IPHCRTAdisplay ppp compression iphc rtpIPHC: RTP/UDP/IP header compression Interface: Serial0 Received: Compress/Error/Discard/Total: 0/0/0/0

5、 (Packets) Sent: Compress/Total: 0/0 (Packets) Send/Save/Total: 0/0/0 (Bytes) Connect: Rx/Tx: 20/20 Long-search/Miss: 0/0Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page7LFI：Link Fragmentation and Interleaving需由此接口需由此接口发送的报文发送的报文队列队列出队调度出队调度离开接口的报文离开接口的报文图示说明：图示说明：RTPRTP报文报文分类分类RTPQ或或LLQQ1Q2TEMPQ其它各类报文其它各类报文分片队列分片队列分片处理分片处理Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page8Copyright 2012 Huawei Technologies Co., Ltd. All rights reserved. Page9问 题常用链路效率机制有哪些？ Copyright 2012 Huawei Technologies Co., Ltd. All rights reserve