The uncompressed header carries 28 bytes of UDP/IP header information. This information is compressed into five bytes when the compressed header replaces the static parameters. Thus, this compression ...

The IP/UDP/RTP headers that encapsulate voice media packets total 40 bytes, and this overhead is significant when you consider that the voice media payload may, for example, be 20 bytes (G.729).

It is interesting that the IP checksum validates only the integrity of the header, but not any of the data. This task is another layer’s responsibility. If the checksum is valid, the router will route ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In this first installment of a two-part lesson, we will discuss the difference between IP video ...

This comprises Ethernet header information (14 bytes), IP headers (20 bytes) and TCP headers (20 bytes). This leaves 1460 bytes for data. The second part of this post looks at using a couple of ...